Michael Thoennessen
Phys. Rev. Research 2, 040001 (2020) - Published 18 November, 2020
Enrique Calisto, Marcel G. Clerc, and Valeska Zambra
Phys. Rev. Research 2, 042026(R) (2020) - Published 10 November, 2020
The authors show the emergence of a vortex triplet and a topological vortex lattice as a consequence of the combined effect of a magnetic ring and the uniform electric field onto a homeotropic nematic liquid crystal.
S. Echeverría-Alar and M. G. Clerc
Phys. Rev. Research 2, 042036(R) (2020) - Published 7 December, 2020
The authors show the short range-order of labyrinthine patterns as a single wavenumber behavior, classify different types of labyrinths, and reveal the bifurcations between them.
Sharmistha Sahoo, Étienne Lantagne-Hurtubise, Stephan Plugge, and Marcel Franz
Phys. Rev. Research 2, 043049 (2020) - Published 8 October, 2020
The authors study the coupling of two SYK models with U(1) symmetry and show the onset of various phases with holographic duals
Nitin Upadhyaya, Bryan G. Chen, and Vincenzo Vitelli
Phys. Rev. Research 2, 043098 (2020) - Published 19 October, 2020
This article describes a class of nonlinear topological mechanical systems whose continuum elasticity displays connections with the supersymmetric field theory introduced by Witten and Olive.
Nicky Kai Hong Li and Norbert Lütkenhaus
Phys. Rev. Research 2, 043172 (2020) - Published 2 November, 2020
The authors show the emergence of secret keys in the BB84 protocol in the low-loss regime.
L. Feder, B. Miao, J. E. Shrock, A. Goffin, and H. M. Milchberg
Phys. Rev. Research 2, 043173 (2020) - Published 3 November, 2020
The authors show that an ultrashort, relativistic intensity laser pulse can propagate for hundreds of Rayleigh ranges in a prepared neutral hydrogen channel by generating its own plasma waveguide as it propagates.
Eric J. Meier, Kinfung Ngan, Dries Sels, and Bryce Gadway
Phys. Rev. Research 2, 043201 (2020) - Published 9 November, 2020
The authors test a shortcut-to-adiabaticity scheme by directly countering diabatic transitions which occur during several experiments with time-dependent, many-level systems of ultracold atoms in a synthetic lattice.
A. Vinante, G. Gasbarri, C. Timberlake, M. Toroš, and H. Ulbricht
Phys. Rev. Research 2, 043229 (2020) - Published 13 November, 2020
The authors summarize the dissipative extensions of spontaneous wavefunction collapse models and derive new exclusion limits on the parameters of different models from an experiment based on a micromagnet levitated by Meissner effect.
Revathy B. S, Victor Mukherjee, Uma Divakaran, and Adolfo del Campo
Phys. Rev. Research 2, 043247 (2020) - Published 18 November, 2020
The authors show that when the operation of a quantum machine drives the working substance across a phase transition, its finite-time thermodynamics is universal.
F. P. M. Méndez-Córdoba, J. J. Mendoza-Arenas, F. J. Gómez-Ruiz, F. J. Rodríguez, C. Tejedor, and L. Quiroga
Phys. Rev. Research 2, 043264 (2020) - Published 20 November, 2020
This work reports a direct relation between a quantum entanglement entropy and photon observables for a topological chain embedded in a microwave cavity.
Oliver Hart, Giuseppe De Tomasi, and Claudio Castelnovo
Phys. Rev. Research 2, 043267 (2020) - Published 20 November, 2020
This work explores the behavior of quantum particles hopping on a comb-like lattice with structural disorder. The authors find a family of exact states with strictly zero localization length, which survive the addition of interactions.
Masato Morita, Jacek Kłos, and Timur V. Tscherbul
Phys. Rev. Research 2, 043294 (2020) - Published 30 November, 2020
The authors present quantum dynamics calculations on strongly anisotropic Li + CaH collisions at ultralow temperatures in the presence of an external magnetic field, and show the role of vibrational degrees of freedom in determining the properties of magnetic Feshbach resonances in ultracold atom-molecule collisions.
M. Nuske, L. Broers, B. Schulte, G. Jotzu, S. A. Sato, A. Cavalleri, A. Rubio, J. W. McIver, and L. Mathey
Phys. Rev. Research 2, 043408 (2020) - Published 22 December, 2020
This work discusses the transport properties of light-induced electronic Floquet states in solids. The authors provide an interpretation of the Hall conductivity in periodically driven graphene as a geometric-dissipative effect.
Giulio Chiribella, Adán Cabello, Matthias Kleinmann, and Markus P. Müller
Phys. Rev. Research 2, 042001(R) (2020) - Published 5 October, 2020
This article shows that a significant part of the set of quantum correlations can be derived from basic Bayesian principles about how agents should assign probabilities to the outcome of their experiments.
Rajveer Nehra, Miller Eaton, Carlos González-Arciniegas, M. S. Kim, Thomas Gerrits, Adriana Lita, Sae Woo Nam, and Olivier Pfister
Phys. Rev. Research 2, 042002(R) (2020) - Published 7 October, 2020
The authors show a quantum state tomography scheme with excitation counting for bosonic systems
Christian Vorwerk, Francesco Sottile, and Claudia Draxl
Phys. Rev. Research 2, 042003(R) (2020) - Published 7 October, 2020
This work introduces a first-principles many-body framework to describe resonant inelastic x-ray scattering as a coherent sum of pathways between excited many-body states.
Amit Dey and Manas Kulkarni
Phys. Rev. Research 2, 042004(R) (2020) - Published 9 October, 2020
The authors discuss a nonlinear stimulated Raman adiabatic passage realizable in cavity-QED networks and show an strategy to enhance the efficiency of population and quantum state transfer in the presence of chaos.
Seiichiro Onari and Hiroshi Kontani
Phys. Rev. Research 2, 042005(R) (2020) - Published 12 October, 2020
The authors propose an explanation to the hidden nematic state in Fe-based superconductors based in the onset of an antiferro bond
Paul Z. Hanakata, Ekin D. Cubuk, David K. Campbell, and Harold S. Park
Phys. Rev. Research 2, 042006(R) (2020) - Published 12 October, 2020
The authors develop a supervised autoencoder to perform forward and inverse design of graphene kirigami. By interpolating in the latent space of kirigami structures, the supervised autoencoder generates designs that mix parallel and orthogonal cuts.
P. Warzanowski, N. Borgwardt, K. Hopfer, J. Attig, T. C. Koethe, P. Becker, V. Tsurkan, A. Loidl, M. Hermanns, P. H. M. van Loosdrecht, and M. Grüninger
Phys. Rev. Research 2, 042007(R) (2020) - Published 13 October, 2020
This paper reports reports on the spin-orbit exciton and its crystal-field splitting in -RuCl, as observed in Raman and infrared spectroscopy and show the onset of a j=1/2 scenario and signatures of dominant Kitaev exchange.
Kristian Thijssen and Amin Doostmohammadi
Phys. Rev. Research 2, 042008(R) (2020) - Published 13 October, 2020
The authors show the emergence of stable self-propelled bound defects in monolayers of active nematics due to alignment of active particles to their self-generated flows, generating virtual full-integer topological defects in the form of vortices and asters.
Jamir Marino, Gabriel Menezes, and Iacopo Carusotto
Phys. Rev. Research 2, 042009(R) (2020) - Published 14 October, 2020
This papers connect superradiance in rotational black holes with the physics of circularly moving impurities in weakly interacting Bose gases.
Benjamin J. Wieder, Kuan-Sen Lin, and Barry Bradlyn
Phys. Rev. Research 2, 042010(R) (2020) - Published 14 October, 2020
The authors show that the axionic physics attributed to Weyl-Charge-density waves is captured by the single-particle states in mean-field theory
Sahal Kaushik, Dmitri E. Kharzeev, and Evan John Philip
Phys. Rev. Research 2, 042011(R) (2020) - Published 14 October, 2020
This work proposes a chiral photocurrent transverse to the direction of an external magnetic field in response to linearly polarized light in Weyl semimetals with reflection symmetry, including the TaAs class of materials.
Kallol Paul, Ratul Dasgupta, Jürgen Horbach, and Smarajit Karmakar
Phys. Rev. Research 2, 042012(R) (2020) - Published 15 October, 2020
This work studies the failure mechanisms in amorphous solids at nanometer scales.
Javier Argüello-Luengo, Alejandro González-Tudela, Tao Shi, Peter Zoller, and J. Ignacio Cirac
Phys. Rev. Research 2, 042013(R) (2020) - Published 16 October, 2020
The authors propose to explore the electronic states of chemistry models using fermionic cold atoms trapped in an optical lattice as a simulator. They show that different schemes can be used to induce an effective repulsion among these simulated electrons, and numerically benchmark the effect of discretization for simple molecules.
Parveen Kumar, Kyrylo Snizhko, and Yuval Gefen
Phys. Rev. Research 2, 042014(R) (2020) - Published 19 October, 2020
The authors devise protocols of state engineering by weak measurements, in order to steer a two-qubit system into an arbitrary, pre-designated state.
T. P. Frazer, R. Wilson, M. King, N. M. H. Butler, D. C. Carroll, M. J. Duff, A. Higginson, J. Jarrett, Z. E. Davidson, C. Armstrong, H. Liu, D. Neely, R. J. Gray, and P. McKenna
Phys. Rev. Research 2, 042015(R) (2020) - Published 19 October, 2020
This work shows that a high power pulse of laser light propagating in a relativistically transparent target plasma self-focuses, enhancing the laser intensity achieved and the energies to which plasma ions are accelerated.
S. Zheng, J. M. Urueña, A. C. Dunn, J. T. Uhl, and K. A. Dahmen
Phys. Rev. Research 2, 042016(R) (2020) - Published 20 October, 2020
This work shows that surface friction in hydrogels display similar features as internal friction in other solids, on different scales.
Tingting Xue, Xu Li, Peter Grassberger, and Li Chen
Phys. Rev. Research 2, 042017(R) (2020) - Published 23 October, 2020
This work studies the impact of social hierarchy on the swarming transitions and reveals a non-monotonic change in the discontinuities in the first-order phase transitions
Alexander Malyzhenkov, Yunieski P. Arbelo, Paolo Craievich, Philipp Dijkstal, Eugenio Ferrari, Sven Reiche, Thomas Schietinger, Pavle Juranić, and Eduard Prat
Phys. Rev. Research 2, 042018(R) (2020) - Published 26 October, 2020
This work describes a method for the generation of one and two-color ultra-short X-ray free-electron-laser pulses, based on tailoring the Coulomb interaction between the electrons of a highly compressed beam in the nonlinear regime.
Christian Ott, Stephan Götzinger, and Heiko B. Weber
Phys. Rev. Research 2, 042019(R) (2020) - Published 26 October, 2020
Experiments on graphene nanojunctions reveal light emission with a Planck spectrum. The origin of light emission can thus be traced back to hot electrons in the nanojunction.
Yurii Aleshchenko, Boris Gorshunov, Elena Zhukova, Andrey Muratov, Alexander Dudka, Rajendra Dulal, Serafim Teknowijoyo, Sara Chahid, Vahan Nikoghosyan, and Armen Gulian
Phys. Rev. Research 2, 042020(R) (2020) - Published 27 October, 2020
The authors show several experimental indications of superconductivity with the onset above 40 K in multiphase strontium ruthenate doped by rhenium and selenium.
Ryan P. Jones, Julio M. Ottino, Paul B. Umbanhowar, and Richard M. Lueptow
Phys. Rev. Research 2, 042021(R) (2020) - Published 28 October, 2020
Flow-driven segregation of non-spherical-particle mixtures can be predicted from the particle volume ratio for a broad range of particle shapes and sizes
Chun-Jiong Huang, Changle Liu, Ziyang Meng, Yue Yu, Youjin Deng, and Gang Chen
Phys. Rev. Research 2, 042022(R) (2020) - Published 30 October, 2020
The authors establish the phase diagram of a paired hardcore boson model on a pyrochlore lattice and finds the U(1) Coulomb liquid is stable with boson pairing interaction.
T. Kobayashi, Q.-P. Ding, H. Taniguchi, K. Satoh, A. Kawamoto, and Y. Furukawa
Phys. Rev. Research 2, 042023(R) (2020) - Published 30 October, 2020
This paper reports the observation of a second-order phase transition at 6 K related to charge disproportionation in the organic spin-liquid candidate using nuclear quadrupole resonance technique that can be sensitive to both spin and charge dynamics.
Yoshihito Kuno and Yasuhiro Hatsugai
Phys. Rev. Research 2, 042024(R) (2020) - Published 30 October, 2020
The authors describe the phase boundary of a symmetry protected state in one dimension spanned by two parameters as a topological obstruction for the interacting charge pump associated with the symmetry breaking parameter as the third dimension.
Vishnu V. Krishnan, Smarajit Karmakar, and Kabir Ramola
Phys. Rev. Research 2, 042025(R) (2020) - Published 4 November, 2020
The authors study the distribution of Hessian elements of amorphous systems, which contain a preponderance of small elements, characterized by a singularity that depends only on the decay of the interaction potential near the cutoff distance.
Enrique Calisto, Marcel G. Clerc, and Valeska Zambra
Phys. Rev. Research 2, 042026(R) (2020) - Published 10 November, 2020
The authors show the emergence of a vortex triplet and a topological vortex lattice as a consequence of the combined effect of a magnetic ring and the uniform electric field onto a homeotropic nematic liquid crystal.
Yu Li, Zhiqiang Wang, and Wen Huang
Phys. Rev. Research 2, 042027(R) (2020) - Published 12 November, 2020
The authors propose a theory of impurity-induced anomalous Hall effect in chiral superconductors at the one-loop approximation, without resorting to vertex corrections.
Erik Woodhead, Jędrzej Kaniewski, Boris Bourdoncle, Alexia Salavrakos, Joseph Bowles, Antonio Acín, and Remigiusz Augusiak
Phys. Rev. Research 2, 042028(R) (2020) - Published 13 November, 2020
This work investigates how much randomness can be obtained by measuring partially or maximally entangled quantum states in a Bell-type experiment.
Alberto Aleta, Marta Tuninetti, Daniela Paolotti, Yamir Moreno, and Michele Starnini
Phys. Rev. Research 2, 042029(R) (2020) - Published 16 November, 2020
This paper shows how different kinds of relational data can be exploited to improve the prediction of new links in multi-layer complex systems, from protein interactions to social networks
Alois Würger
Phys. Rev. Research 2, 042030(R) (2020) - Published 19 November, 2020
This paper points out a discrepancy of ionic and electronic Seebeck coefficients, which results from the different conservation laws for ions and electron-hole pairs.
M. Pino
Phys. Rev. Research 2, 042031(R) (2020) - Published 20 November, 2020
The author shows that the scaling of the Anderson transition points to the non-ergodicity of the metal in a disordered random-graph.
Naoya Kitamine, Masayuki Ochi, and Kazuhiko Kuroki
Phys. Rev. Research 2, 042032(R) (2020) - Published 20 November, 2020
The authors theoretically design nickelate high superconductors, exploiting mixed anion strategy and discuss relevance of these designed materials to the recently discovered superconductor (Nd,Sr)NiO.
Nicolas Laflorencie, Gabriel Lemarié, and Nicolas Macé
Phys. Rev. Research 2, 042033(R) (2020) - Published 25 November, 2020
The authors show that many-body localization in the random-field Heisenberg chain is accompanied by a spin freezing mechanism, leading to chain breakings.
Ke Zhou and Zhiping Xu
Phys. Rev. Research 2, 042034(R) (2020) - Published 1 December, 2020
The authors use first-principles calculations to show that the interaction between graphene and metal ions is stronger than van der Waals interaction, and is of a different nature.
Pasquale Marra and Muneto Nitta
Phys. Rev. Research 2, 042035(R) (2020) - Published 2 December, 2020
This work studies the effect of quasiperiodicity on topological Thouless pumps realized by atomic gases in optical lattices, and shows that the pumped current is quantized up to exponentially small corrections.
S. Echeverría-Alar and M. G. Clerc
Phys. Rev. Research 2, 042036(R) (2020) - Published 7 December, 2020
The authors show the short range-order of labyrinthine patterns as a single wavenumber behavior, classify different types of labyrinths, and reveal the bifurcations between them.
Andreas Geißler and Guido Pupillo
Phys. Rev. Research 2, 042037(R) (2020) - Published 8 December, 2020
This work characterizes the near-thermal criticality of the mobility edge for interacting Bosons on a lattice. The authors find full localization in a confined setup as observed in the experiment.
Matthew Proctor, Paloma Arroyo Huidobro, Barry Bradlyn, María Blanco de Paz, Maia G. Vergniory, Dario Bercioux, and Aitzol García-Etxarri
Phys. Rev. Research 2, 042038(R) (2020) - Published 9 December, 2020
The article analyzes the robustness of corner modes in higher-order topological photonic crystals, concluding that these systems are reducible to a chirally symmetric limit.
Min-Jae Kim, Armin Schulz, Tomohiro Takayama, Masahiko Isobe, Hidenori Takagi, and Stefan Kaiser
Phys. Rev. Research 2, 042039(R) (2020) - Published 10 December, 2020
The authors study the dynamics driving the semiconductor -excitonic insulator phase transition in TaNiSe using Raman spectroscopy.
Chiara Ricca, Nicolas Niederhauser, and Ulrich Aschauer
Phys. Rev. Research 2, 042040(R) (2020) - Published 10 December, 2020
The authors show how the coupling of the orbital order with the defect chemistry leads to a local polarization in the oxygen-deficient Jahn-Teller distorted material LaMnO₃
G. Lerario, S. V. Koniakhin, A. Maître, D. Solnyshkov, A. Zilio, Q. Glorieux, G. Malpuech, E. Giacobino, S. Pigeon, and A. Bramati
Phys. Rev. Research 2, 042041(R) (2020) - Published 11 December, 2020
The authors show the hydrodynamic generation of a stable dark soliton pair in an exciton polariton condensate. Within the optical bistable regime, the soliton pair propagates for tens of microns in the microcavity plane.
Zhenzhong Shi, S. J. Kuhn, F. Flicker, T. Helm, J. Lee, William Steinhardt, Sachith Dissanayake, D. Graf, J. Ruff, G. Fabbris, D. Haskel, and S. Haravifard
Phys. Rev. Research 2, 042042(R) (2020) - Published 16 December, 2020
The authors discover a weak incommensurate charge density wave state with a mixed character of dimensions in the superconductor TaPdTe.
Andriy Shevchenko, Vishal Vashistha, Markus Nyman, and Matti Kaivola
Phys. Rev. Research 2, 042043(R) (2020) - Published 18 December, 2020
The authors introduce a family of electromagnetic anapoles and show an application.
Lukas Sigl, Florian Sigger, Fabian Kronowetter, Jonas Kiemle, Julian Klein, Kenji Watanabe, Takashi Taniguchi, Jonathan J. Finley, Ursula Wurstbauer, and Alexander W. Holleitner
Phys. Rev. Research 2, 042044(R) (2020) - Published 22 December, 2020
The authors report on photogenerated ensembles of interlayer excitons in two-dimensional materials exhibiting distinct signatures in accordance with predicted criticalities of a degenerate many-body ground state, such as a Bose-Einstein condensate.
Danica Sugic, Mark R. Dennis, Franco Nori, and Konstantin Y. Bliokh
Phys. Rev. Research 2, 042045(R) (2020) - Published 23 December, 2020
The authors examine complex three-dimensional polarization in the interference of several vector waves with different commensurable frequencies. They describe knots formed by such polychromatic vector fields, as well as their spin and polarization properties.
T. Ideue, S. Koshikawa, H. Namiki, T. Sasagawa, and Y. Iwasa
Phys. Rev. Research 2, 042046(R) (2020) - Published 24 December, 2020
This paper investigates the bulk rectification effect under out-of-plane magnetic field in a noncentrosymmetric three-dimensioanl superconductor PbTaSe. The authors show a giant enhancement of the nonreciprocal magnetotransport during the superconducting transition and a sign reversal.
Wang Yang, Chao Xu, and Congjun Wu
Phys. Rev. Research 2, 042047(R) (2020) - Published 24 December, 2020
The authors use a boundary on boundary method to show that a single branch of chiral Majorana mode appears as an intrinsic property of superconductors in the absence of spin-orbit coupling.
Joshua D. Bocarsly, M. D. Johannes, Stephen D. Wilson, and Ram Seshadri
Phys. Rev. Research 2, 042048(R) (2020) - Published 28 December, 2020
The authors find that the magnetostructural coupling in MnAs arises from an orbital-specific competition between exchange energies and kinetic energies, which may give rise to an exotic paramagnetic state.
David Sabin-Miller and Daniel M. Abrams
Phys. Rev. Research 2, 043001 (2020) - Published 1 October, 2020
The authors develop a framework for political behavior of a population influenced by a heterogeneous environment in continuous time, incorporating tribalism and repulsion from dissonant ideas.
Falko Schmidt, Agnieszka L. Kozub, Timur Biktagirov, Christof Eigner, Christine Silberhorn, Arno Schindlmayr, Wolf Gero Schmidt, and Uwe Gerstmann
Phys. Rev. Research 2, 043002 (2020) - Published 1 October, 2020
The authors use first-principles calculations and experimental measurements to analyze the formation of electron polarons at intrinsicpoint defects in lithium niobate. They provide structure models forfree, bound, and bipolarons and propose a microscopic explanation forthe observed two-path recombination of bipolarons.
Masoud Gharahi, Stefano Mancini, and Giorgio Ottaviani
Phys. Rev. Research 2, 043003 (2020) - Published 1 October, 2020
The authors use algebraic-geometry tools, secant varieties, and l-multilinear ranks, to present an entanglement classification of generic n-qubit pure states under stochastic local operation and classical communication that is based on a finite number of families and subfamilies.
Hwanmun Kim, Hossein Dehghani, Hideo Aoki, Ivar Martin, and Mohammad Hafezi
Phys. Rev. Research 2, 043004 (2020) - Published 1 October, 2020
This work proposes an optical method to imprint superlattice structures in two-dimensional electronic systems such as graphene, and shows the applications of this tunability.
Dana Vaknin, Bnaya Gross, Sergey V. Buldyrev, and Shlomo Havlin
Phys. Rev. Research 2, 043005 (2020) - Published 1 October, 2020
This work provides a mathematical framework for analyzing the cascading process of realistic multiplex networks, where each layer has a spatial structure of communities.
Giorgio Zicari, Matteo Brunelli, and Mauro Paternostro
Phys. Rev. Research 2, 043006 (2020) - Published 1 October, 2020
The authors study the relation between correlations, initial preparation of a quantum system, and non- Markovianity by investigating the case of harmonic dynamics.
H. Kallala, F. Quéré, and H. Vincenti
Phys. Rev. Research 2, 043007 (2020) - Published 1 October, 2020
This work shows how to obtain terawatt isolated attosecond pulses from relativistic Doppler harmonics produced out of laser-solid interactions at ultra-high light intensities
Kodai Wakamatsu, Kazuya Miyagawa, and Kazushi Kanoda
Phys. Rev. Research 2, 043008 (2020) - Published 1 October, 2020
This work studies the pressure dependence of the superfluid density through the magnetization measurements in a layered organic superconductor and finds that the superfluid density is pressure-independent while the transition temperature substantially decreases.
Christian Romen and Andreas M. Läuchli
Phys. Rev. Research 2, 043009 (2020) - Published 1 October, 2020
The authors study the structure of spin correlations in SU(N) quantum magnets and reveal a common structure across many lattices that persist in a large range of temperatures
Søren H. Møller, Sebastian T. Andersen, and Peter Balling
Phys. Rev. Research 2, 043010 (2020) - Published 1 October, 2020
The authors show transient optical properties of fused silica and attribute them to a polarization-dependent absorption channel.
Nicola Dalla Pozza and Filippo Caruso
Phys. Rev. Research 2, 043011 (2020) - Published 2 October, 2020
The authors show that the dynamics of Quantum Stochastic Walks on a Quantum Network, structured as a Neural Network , allow for Noise-robust discrimination of quantum states.
Luka Trifunovic
Phys. Rev. Research 2, 043012 (2020) - Published 2 October, 2020
This paper provides an algorithm to compute fractional part of the charge around an arbitrary corner of a terminated crystal: instead of using the eigenstates of the terminated crystal, only bulk and ribbon eigenstates are required
Changle Liu, Chun-Jiong Huang, and Gang Chen
Phys. Rev. Research 2, 043013 (2020) - Published 2 October, 2020
The authors study the Tm-based materials, showing their phase diagram and making predictions for the evolution of the magnetic properties with the external magnetic field.
Lingzhen Guo, Anton Frisk Kockum, Florian Marquardt, and Göran Johansson
Phys. Rev. Research 2, 043014 (2020) - Published 2 October, 2020
The authors show that oscillating bound states in the continuum exist for a non-Markovian giant atom coupled to an infinite waveguide at three or more points The bound state is confined in a finite region of the waveguide and exchanges energy with the giant atom persistently despite the presence of the dissipative environment
Han Li, Dai-Wei Qu, Hao-Kai Zhang, Yi-Zhen Jia, Shou-Shu Gong, Yang Qi, and Wei Li
Phys. Rev. Research 2, 043015 (2020) - Published 2 October, 2020
The authors perform finite-temperature simulations of the extended Kitaev model by the recently developed thermal tensor-network approach, and show the onset of a Kitaev fractional liquid with emergent Curie law of magnetic susceptibility.
Angel L. L. Stable, C. E. Fernández Noa, William G. C. Oropesa, and C. E. Fiore
Phys. Rev. Research 2, 043016 (2020) - Published 2 October, 2020
Authors introduce the concept of collisional models for Brownian particles, in which the system is sequentially placed in contact with distinct thermal environments and external forces.
Jan Heisig, Michael Korsmeier, and Martin Wolfgang Winkler
Phys. Rev. Research 2, 043017 (2020) - Published 2 October, 2020
This work investigates correlated uncertainties in the antiproton-carbon absorption cross sections that enter the measurements of cosmic-ray fluxes by the AMS-02 experiment.
G. Yumnam, J. Guo, Y. Chen, V. Lauter, and D. K. Singh
Phys. Rev. Research 2, 043018 (2020) - Published 2 October, 2020
The authors study neodymium thin films and observe a cross-over behavior in magnetoresistance, which is ascribed to the field-induced ferromagnetism at low temperature.
Julia Brunkert and Matthias Punk
Phys. Rev. Research 2, 043019 (2020) - Published 2 October, 2020
This work discusses a modified slave-boson representation of the t-J model, which accounts for spinon-holon bound states and gives rise to a metallic pseudogap phase with sharp, Fermi-arc like features in the electron spectral function.
Shannon C. Haley, Sophie F. Weber, Tessa Cookmeyer, Daniel E. Parker, Eran Maniv, Nikola Maksimovic, Caolan John, Spencer Doyle, Ariel Maniv, Sanath K. Ramakrishna, Arneil P. Reyes, John Singleton, Joel E. Moore, Jeffrey B. Neaton, and James G. Analytis
Phys. Rev. Research 2, 043020 (2020) - Published 5 October, 2020
This paper reports a plateau in the magnetization of the triangular lattice antiferromagnet using Ab initio calculations
Jorge Olmos-Trigo, Diego R. Abujetas, Cristina Sanz-Fernández, Xavier Zambrana-Puyalto, Nuno de Sousa, José A. Sánchez-Gil, and Juan José Sáenz
Phys. Rev. Research 2, 043021 (2020) - Published 5 October, 2020
The authors use helicity conservation to show that dipolar behavior is not limited to small particles under plane wave illumination
Omer Sakarya, Marek Winczewski, Adam Rutkowski, and Karol Horodecki
Phys. Rev. Research 2, 043022 (2020) - Published 5 October, 2020
The authors propose a new architecture for quantum networks based on both pure and mixed entangled states, which protects against unauthorized key generation by dishonest end-users
Matthias Gohlke, Li Ern Chern, Hae-Young Kee, and Yong Baek Kim
Phys. Rev. Research 2, 043023 (2020) - Published 5 October, 2020
The authors investigate the model in a magnetic field along . Quantum order-by-disorder gives rise to a nematic paramagnetic phase, that breaks lattice-rotational symmetry spontaneously and exhibits a characteristic pseudo-Goldstone mode.
Yanting Cheng, Chang Liu, Jinkang Guo, Yu Chen, Pengfei Zhang, and Hui Zhai
Phys. Rev. Research 2, 043024 (2020) - Published 5 October, 2020
This work uses the Dicke model to demonstrate how to recover initial information through local measurements after the initial information has been scrambled into the entire many-body system
Song-Bo Zhang, W. B. Rui, Alessio Calzona, Sang-Jun Choi, Andreas P. Schnyder, and Björn Trauzettel
Phys. Rev. Research 2, 043025 (2020) - Published 5 October, 2020
This work presents protocols in different setups formed by second-order topological superconductors to nucleate,exchange, and fuse Majorana zero modes for non-Abelian braiding andholonomic quantum gate operations.
Mattia Miotto and Lorenzo Monacelli
Phys. Rev. Research 2, 043026 (2020) - Published 5 October, 2020
This paper shows how heterogeneity in gene expression is a key-feature for evolution, which prevents extinction occurring due to the accumulation of random detrimental mutations and provides a mechanism for speciations.
A. P. Furlan, Diogo C. dos Santos, Robert M. Ziff, and Ronald Dickman
Phys. Rev. Research 2, 043027 (2020) - Published 5 October, 2020
This paper studies irreversible deposition of dimers onto bonds of the square and triangular lattices subjected to valence restrictions and explore how this restriction affects jamming densities and percolation thresholds.
Donald Ebeigbe, Tyrus Berry, Steven J. Schiff, and Timothy Sauer
Phys. Rev. Research 2, 043028 (2020) - Published 6 October, 2020
The authors develop a Poisson Kalman filter and apply to the problem of neonatal infections, and postinfectious hydrocephalus disease
Naoto Tsuji and Yusuke Nomura
Phys. Rev. Research 2, 043029 (2020) - Published 6 October, 2020
This paper analyzes the resonance of the terahertz third harmonic generation in a multiband disordered superconductor NbN based on first-principles electron-phonon calculations, and shows that the leading contribution for the resonance comes from the Higgs amplitude mode with no polarization-angle dependence in the dirty regime.
Matthew C. O'Brien and Oleg P. Sushkov
Phys. Rev. Research 2, 043030 (2020) - Published 6 October, 2020
The authors show the creation of a classical radiation field containing infinitely-many long wavelength quasiparticles, in addition to several conventional excitations, using an experimental probe incident on a quantum system.
Berthold Jäck
Phys. Rev. Research 2, 043031 (2020) - Published 6 October, 2020
The author proposes scanning charge qubit microscopy as a way to visualize dissipative charge carrier dynamics in low-dimensional quantum materials.
Omri Golan, Adam Smith, and Zohar Ringel
Phys. Rev. Research 2, 043032 (2020) - Published 6 October, 2020
This work demonstrates that the physics of most chiral topological phases of matter poses an obstruction to sign-problem-free quantum Monte Carlo simulations.
Daniel Bulmash and Maissam Barkeshli
Phys. Rev. Research 2, 043033 (2020) - Published 6 October, 2020
This paper constructs an exactly solvable path integral and Hamiltonian for a (3+1)-dimensional symmetry protected topological phase hosting the given symmetry-enriched topological phase at its surface.
Lea F. Santos, Francisco Pérez-Bernal, and E. Jonathan Torres-Herrera
Phys. Rev. Research 2, 043034 (2020) - Published 7 October, 2020
This work shows that a single defect site brings integrable spin-1/2 and spin-1 models to the chaotic domain. The correlation hole and the off-diagonal elements of observables detect this transition despite the presence of symmetries.
Dominik M. Juraschek, Prineha Narang, and Nicola A. Spaldin
Phys. Rev. Research 2, 043035 (2020) - Published 7 October, 2020
The authors develop a theoretical framework for the interactions of coherent phonons with magnetic order that predicts phonon analogues of the inverse Faraday and inverse Cotton-Mouton effects
Arkadiusz Kosior and Markus Heyl
Phys. Rev. Research 2, 043036 (2020) - Published 7 October, 2020
The authors study entanglement growth in inhomogeneous spacetimes, with a particular focus on a Rindler spacetime, where correlations do not propagate within straight light cones, and find that the entanglement entropy grows sublinearly and is asymptotically constant in a long-time limit.
Christian Brahms, Federico Belli, and John C. Travers
Phys. Rev. Research 2, 043037 (2020) - Published 7 October, 2020
The authors use soliton self-compression of high-energy laser pulses in gas-filled hollow capillary fibers to generate infrared sub-femtosecond field transients as well as tunable few-femtosecond pulses from the ultraviolet to the near infrared
Jan Rombouts and Lendert Gelens
Phys. Rev. Research 2, 043038 (2020) - Published 7 October, 2020
The authors use numerical simulation to study the properties of waves in oscillatory media sent out by a pacemaker. By comparing different oscillator types and pacemaker properties, they quantify which factors determine the speed of these waves, which are often used by biological systems to transmit information and synchronize processes.
Tatsuya Narikawa, Nami Uchikata, Kyohei Kawaguchi, Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata, and Hideyuki Tagoshi
Phys. Rev. Research 2, 043039 (2020) - Published 7 October, 2020
This work investigates weak dependence on gravitational waveform models in the extraction of information about neutron stars.
Imre M. Jánosi, Ágnes Baki, Marcus W. Beims, and Jason A. C. Gallas
Phys. Rev. Research 2, 043040 (2020) - Published 7 October, 2020
The paper provides a method to decompose noisy, non-stationary, complex signals and apply it to 40 years of daily sea ice extent data.
Abhinaba Sinha, Abhishek Sharma, Pankaj Priyadarshi, Ashwin Tulapurkar, and Bhaskaran Muralidharan
Phys. Rev. Research 2, 043041 (2020) - Published 8 October, 2020
The authors discover strain insensitive transport angles in the ballistic and diffusive transport regimes of graphene and propose to use this effect as a reference piezoresistor.
E. Kapit, P. Roushan, C. Neill, S. Boixo, and V. Smelyanskiy
Phys. Rev. Research 2, 043042 (2020) - Published 8 October, 2020
This paper shows that a chain of coupled qubits, interacting strongly with extremely noisy resonators, can still display all the hallmarks of significant quantum complexity and pose an intractable simulation problem for supercomputers.
Shang-Qiang Ning, Liujun Zou, and Meng Cheng
Phys. Rev. Research 2, 043043 (2020) - Published 8 October, 2020
The structure of symmetries and anomalies of a (3+1)d U(1) gauge theory is characterized and classified.
Meng Cheng and Dominic J. Williamson
Phys. Rev. Research 2, 043044 (2020) - Published 8 October, 2020
The authors derive a formula to compute relative ’t Hooft anomaly to characterize symmetry-enriched topological phases
Kazuki Yokomizo and Shuichi Murakami
Phys. Rev. Research 2, 043045 (2020) - Published 8 October, 2020
The authors show that in the non-Hermitian Su-Schrieffer-Heeger model, a topological semimetal phase with exceptional points is stabilized due to deformations of the generalized Brillouin zone. Each energy band is divided into three regions by cusps and exceptional points on the generalized Brillouin zone.
Elisabet Edvardsson, Flore K. Kunst, Tsuneya Yoshida, and Emil J. Bergholtz
Phys. Rev. Research 2, 043046 (2020) - Published 8 October, 2020
The authors develop a microscopic theory of the bulk-boundary correspondence and phase transitions in open non-Hermitian systems using a generalized biorthogonal polarization.
Luis Colmenarez and David J. Luitz
Phys. Rev. Research 2, 043047 (2020) - Published 8 October, 2020
The authors analyze the spreading of information in a spin chain with long-range interactions and find new speed limits for quantum information scrambling based on numerical computations
Bibandhan Poudyal and Imran M. Mirza
Phys. Rev. Research 2, 043048 (2020) - Published 8 October, 2020
This work shows that collective effects arising due to infinitely long-ranged dipole-dipole interaction among thirty quantum emitters can protect the routing of single photons from spontaneous emission loss in a chiral waveguide quantum electrodynamics ladder.
Sharmistha Sahoo, Étienne Lantagne-Hurtubise, Stephan Plugge, and Marcel Franz
Phys. Rev. Research 2, 043049 (2020) - Published 8 October, 2020
The authors study the coupling of two SYK models with U(1) symmetry and show the onset of various phases with holographic duals
M. J. Mark, S. Flannigan, F. Meinert, J. P. D'Incao, A. J. Daley, and H.-C. Nägerl
Phys. Rev. Research 2, 043050 (2020) - Published 8 October, 2020
This work investigates the interplay between coherent and dissipative dynamics by observing loss of bosonic doublons in the presence of strong three-body decay rates. The authors find that only a non-trivial combination of a beyond standard Bose-Hubbard lattice model and modified on-site three-atom dynamics explain the experimental findings.
Dinesh Yadav, Maxim Trushin, and Fabian Pauly
Phys. Rev. Research 2, 043051 (2020) - Published 9 October, 2020
This work studies the effect of spin-orbit coupling on the hot carrier relaxation in single-layer MoS and WSe, resolving the influence of optical and acoustical phonons. Additionally, it reveals that the internal quantum efficiency in WSe-based tunneling devices should be higher than in MoS-based systems.
Matan Lotem, Andreas Weichselbaum, Jan von Delft, and Moshe Goldstein
Phys. Rev. Research 2, 043052 (2020) - Published 9 October, 2020
This work introduces a tensor-network algorithm for nonequilibrium quantum impurities coupled to finite leads which in turn are weakly coupled to Lindblad reservoirs, to allow for a nonequilibrium steady state while capturing many-body correlations as in the equilibrium numerical renormalization group
James Burridge and Tamsin Blaxter
Phys. Rev. Research 2, 043053 (2020) - Published 14 October, 2020
English dialect maps are used to infer how linguistic features are copied. Copying driven by conformity, generating surface tension, appears more likely than proportional copying, which creates patterns driven by noise
Jaehoon Bang, T. Seberson, Peng Ju, Jonghoon Ahn, Zhujing Xu, Xingyu Gao, F. Robicheaux, and Tongcang Li
Phys. Rev. Research 2, 043054 (2020) - Published 9 October, 2020
This paper reports five-dimensional cooling and the nonlinear dynamics of a levitated nanoparticle in a vacuum. Three center-of-mass motion modes and two torsional vibration modes of a levitated nanodumbbell in a linearly polarized laser are cooled simultaneously.
S. G. Babajanyan, A. E. Allahverdyan, and Kang Hao Cheong
Phys. Rev. Research 2, 043055 (2020) - Published 9 October, 2020
The authors show how a bargaining game between energy and entropy builds up statistical mechanics.
Kirk A. Larsen, Thomas N. Rescigno, Travis Severt, Zachary L. Streeter, Wael Iskandar, Saijoscha Heck, Averell Gatton, Elio G. Champenois, Richard Strom, Bethany Jochim, Dylan Reedy, Demitri Call, Robert Moshammer, Reinhard Dörner, Allen L. Landers, Joshua B. Williams, C. William McCurdy, Robert R. Lucchese, Itzik Ben-Itzhak, Daniel S. Slaughter, and Thorsten Weber
Phys. Rev. Research 2, 043056 (2020) - Published 9 October, 2020
This paper presents a state-selective analysis on the photoionization mechanisms and fragmentation dynamics of the H + H dissociation channel in NH upon direct single-photon double ionization.
Klaus Zollner, Marko D. Petrović, Kapildeb Dolui, Petr Plecháč, Branislav K. Nikolić, and Jaroslav Fabian
Phys. Rev. Research 2, 043057 (2020) - Published 9 October, 2020
The authors design in silico a graphene-based van der Waals heterostructure where purely two-dimensional electronic transport generates nonequilibrium spin density in all spatial directions, due to scattering of impurities or potential barriers.
Graeme Pleasance, Barry M. Garraway, and Francesco Petruccione
Phys. Rev. Research 2, 043058 (2020) - Published 12 October, 2020
The authors provide a framework for mapping a non-Markovian open quantum system onto a Markovian one using the idea of pseudomodes.
Zachary G. Nicolaou, Takashi Nishikawa, Schuyler B. Nicholson, Jason R. Green, and Adilson E. Motter
Phys. Rev. Research 2, 043059 (2020) - Published 12 October, 2020
The authors characterize the nonlinear dynamics of complex chemical reaction networks using a master equation approach and show that both normal and non-normal systems can exhibit non-monotonic dynamics while only non-normality can lead to non-monotonic Rényi entropy.
R. Winkler and U. Zülicke
Phys. Rev. Research 2, 043060 (2020) - Published 12 October, 2020
The authors study the magnetoelectric effect in semiconductor quantum wells, linking its microscopic origin to the manipulation of orbital antiferromagnetic order of the confined charge carriers.
Francisco Gonzalez Ledesma and Matthew Mewes
Phys. Rev. Research 2, 043061 (2020) - Published 12 October, 2020
The authors construct a tensor representation of scalar and spin-weighted spherical harmonics, that enables an algebraic spherical decomposition of scalar- and tensor-valued functions.
Katarzyna Roszak
Phys. Rev. Research 2, 043062 (2020) - Published 12 October, 2020
The author proposes a qubit-environment entanglement measure that lead to pure dephasing of the qubit.
Anil K. Dasanna, Gerhard Gompper, and Dmitry A. Fedosov
Phys. Rev. Research 2, 043063 (2020) - Published 12 October, 2020
The paper proposes a model to identify optimal cluster stability in heterogeneous adhesion and shows that cluster rupture proceeds as a multistep discrete process, in which one of the bond sub-populations ruptures first, followed by the others.
Yanwei Xiong, Kyle J. Wilkin, and Martin Centurion
Phys. Rev. Research 2, 043064 (2020) - Published 12 October, 2020
This work uses ultrafast electron diffraction to capture a movie of a rotational wavepacket in nitrogen molecules that were impulsively aligned by a femtosecond laser pulse.
Igor Yatsuta, Boris Malomed, and Alexander Yakimenko
Phys. Rev. Research 2, 043065 (2020) - Published 12 October, 2020
The paper reveals that emulation of the black-hole environment in a ring-shaped BEC with non-uniform local sound speed suppresses instabilities in the supersonic region, by a smooth gradient at the white-hole horizon. Further, no Hawking-radiation is generated if the ring’s radius falls below a critical value
Yi-Cong Yu, Shizhong Zhang, and Xi-Wen Guan
Phys. Rev. Research 2, 043066 (2020) - Published 13 October, 2020
This paper generalizes the concept of Gruneisen parameter to include the response of the system to interaction modulation and establishes an identity relating various Gruneisen parameters for a dilute quantum gas.
Arthur S. Powanwe and André Longtin
Phys. Rev. Research 2, 043067 (2020) - Published 13 October, 2020
The authors show that neural networks exhibiting noise-induced rhythms, also known as quasi-cycle oscillations, can synchronize through out-of-phase locking depending on the noise intensity and the size of the coupling delay
Jie Zhu, Meng-Jun Hu, Yue Dai, Yan-Kui Bai, S. Camalet, Chengjie Zhang, Chuan-Feng Li, Guang-Can Guo, and Yong-Sheng Zhang
Phys. Rev. Research 2, 043068 (2020) - Published 13 October, 2020
This paper experimentally presents the tradeoff relation between the internal and external entanglement in the photonic system where the different degrees of freedom of twin photons are used.
Edgar Herrera-Delgado, James Briscoe, and Peter Sollich
Phys. Rev. Research 2, 043069 (2020) - Published 13 October, 2020
The authors develop a method for dimensionality reduction of generic nonlinear dynamical systems using Zwanzig-Mori memory functions, and apply it to biological examples.
Dario Cilluffo, Angelo Carollo, Salvatore Lorenzo, Jonathan A. Gross, G. Massimo Palma, and Francesco Ciccarello
Phys. Rev. Research 2, 043070 (2020) - Published 13 October, 2020
The paper presents a collision-model description of quantumoptics for an arbitrary configuration of many emitters.
Yonghao Gao, Xu-Ping Yao, and Gang Chen
Phys. Rev. Research 2, 043071 (2020) - Published 14 October, 2020
This work investigates the topological phase transition driven by the interplay between long-ranged magnetic order and fractionalized spinons, as well as Zeeman coupling, in honeycomb lattice magnets, and shows the onset of a thermal Hall signature near the quantum critical point due to the proximity effect.
Oliver Lunt and Arijeet Pal
Phys. Rev. Research 2, 043072 (2020) - Published 14 October, 2020
The authors show that many-body localized systems can have a volume-law which is stable against measurements, but only for certain measurement bases, and explain it on the basis of an an interplay between the measurements and the system’s integrals of motion.
Astik Haldar and Abhik Basu
Phys. Rev. Research 2, 043073 (2020) - Published 14 October, 2020
This work explores the interplay between quenched disorders and nonequilibrium drive that determines the emerging universal scaling behavior in a number conserving one-dimensional driven diffusive model with exclusion.
Yuqi Wang, Longfei Guo, Su Yi, and Tao Shi
Phys. Rev. Research 2, 043074 (2020) - Published 14 October, 2020
The authors propose a Gaussian-based theory to study dipolar droplets that reveals the onset of liquid-gas phase transition as well as showing the emergence of a self-bound gas-phase dominated by the squeezed condensate.
Archak Purkayastha, Manas Kulkarni, and Yogesh N. Joglekar
Phys. Rev. Research 2, 043075 (2020) - Published 14 October, 2020
The authors show that an on-chip realization of a PT-symmetric quantum device is possible within current experimental parameters by combining various state-of-the-art components of semiconductor-superconductor circuit QED architecture.
Brian C. Thomas and Cody L. Ratterman
Phys. Rev. Research 2, 043076 (2020) - Published 14 October, 2020
The authors explore the influence of a supernova explosion at about 50 parsecs and find that it would trigger a small increase in global average temperature, with minor changes in atmospheric transport and precipitation patterns.
Masahiko G. Yamada and Yasuhiro Tada
Phys. Rev. Research 2, 043077 (2020) - Published 14 October, 2020
This paper discusses a hybrid quantum liquid state in hydrogen-bonded strongly correlated electron systems.
Simone Pigolotti, Mogens H. Jensen, Yinxiu Zhan, and Guido Tiana
Phys. Rev. Research 2, 043078 (2020) - Published 15 October, 2020
This paper shows that chromosome contact maps are characterized by two distinct fractal dimensions
Shruti Dogra, Antti Vepsäläinen, and G. S. Paraoanu
Phys. Rev. Research 2, 043079 (2020) - Published 15 October, 2020
This work explores the two-star Majorana representation of adiabatic and superadiabatic stimulated Raman passage in a three-level system. The authors derive the counteradiabatic Hamiltonian and provide a generalization of this geometrical picture to mixed states.
Jean-Philippe Colombier, Anton Rudenko, Elena Silaeva, Hao Zhang, Xxx Sedao, Emile Bévillon, Stéphanie Reynaud, Claire Maurice, Florent Pigeon, Florence Garrelie, and Razvan Stoian
Phys. Rev. Research 2, 043080 (2020) - Published 15 October, 2020
This work uses a three-dimensional mesoscopic vision and time-dynamics evolution to study silicon under ultrafast laser irradiation conditions, and shows how the crystal lattice is destabilized and turns periodically into an amorphous state.
Hikaru Watanabe and Youichi Yanase
Phys. Rev. Research 2, 043081 (2020) - Published 15 October, 2020
The authors investigate the nonlinear electric transport phenomena in the parity-violating magnets, namely odd-parity magnetic multipole systems. The nonlinear responses in the presence/absence of the magnetic field arise from the spin-orbit-coupled electronic structure of locally-noncentrosymmetric crystals.
Vidushi Sharma and Marivi Fernández-Serra
Phys. Rev. Research 2, 043082 (2020) - Published 15 October, 2020
The authors investigate nonadiabatic proton-transfer dynamics in ionized hydrogen-bonded water clusters, describe its connection to hole-localization, and show that the proton transfer probability increases with the length of the hydrogen-bonded chain.
V. A. Tulsky and D. Bauer
Phys. Rev. Research 2, 043083 (2020) - Published 15 October, 2020
The authors introduce a method to resolve in time the formation of strong-laser-induced photoelectron spectra straight from the numerical solution to the time-dependent Schrödinger equation.
Alessio Lapolla, David Hartich, and Aljaž Godec
Phys. Rev. Research 2, 043084 (2020) - Published 15 October, 2020
The authors develop a theory to compute the statistical properties of time-average observables and find a bound on fluctuations of time-averages from the emergence of the central limit theorem.
Qianheng Du, Huixia Fu, Junzhang Ma, A. Chikina, M. Radovic, Binghai Yan, and C. Petrovic
Phys. Rev. Research 2, 043085 (2020) - Published 16 October, 2020
The authors report on surface conductivity in antiferromagnetic semiconductor CrSb2 by using electronic transport, angular resolved photoemission and first-principle calculations methods. Whereas both experiment and theory point to enhanced surface conduction similar to topological insulators, surface states are trivial since CrSb2 exhibits no band inversion.
Liang Kong, Tian Lan, Xiao-Gang Wen, Zhi-Hao Zhang, and Hao Zheng
Phys. Rev. Research 2, 043086 (2020) - Published 15 October, 2020
This paper uncovers an algebraic higher symmetry beyond higher group.
Kazuhiro Seki and Seiji Yunoki
Phys. Rev. Research 2, 043087 (2020) - Published 16 October, 2020
The authors show that the temperature of a thermal state emerging in a subsystem of a pure ground state can be determined by the entanglement entropy and subsystem energy of the ground state
Lucianno Defaveri, Celia Anteneodo, David A. Kessler, and Eli Barkai
Phys. Rev. Research 2, 043088 (2020) - Published 16 October, 2020
The paper shows how the thermal canonical equilibrium of Brownian particles in a deep potential trap is violated since the partition function diverges, and proposes a regularization procedure of Boltzmann-Gibbs statistics to solve the problem.
Yuya Morimoto and Peter Hommelhoff
Phys. Rev. Research 2, 043089 (2020) - Published 16 October, 2020
The authors report quantum mechanical interference in the interaction between an ultrashort laser pulse and an electron beam occurring within a cycle of the optical field.
Kazuto Akiba, Kaisei Iwamoto, Takaaki Sato, Shingo Araki, and Tatsuo C. Kobayashi
Phys. Rev. Research 2, 043090 (2020) - Published 16 October, 2020
This work reports on a large anomalous Hall effect associated with the Berry curvature in the pressure-induced weak ferromagnetic phase of α-Mn
G. Marchegiani, A. Braggio, and F. Giazotto
Phys. Rev. Research 2, 043091 (2020) - Published 16 October, 2020
The authors discuss the nonlinear thermoelectric features of a thermally biased superconducting quantum interference device, where the magnetic flux is used to control the quantum mechanical phase. In the setup considered, both the mean value and the frequency of the oscillatory component of the thermoelectric signal can be externally tuned
Harini Hapuarachchi and Jared H. Cole
Phys. Rev. Research 2, 043092 (2020) - Published 16 October, 2020
This paper presents an analytical framework to study how a planar assembly of spherical metal nanoparticles influences the response of a quantum emitter under coherent illumination
Yi-Hsiang Chen and Todd A. Brun
Phys. Rev. Research 2, 043093 (2020) - Published 16 October, 2020
The authors study a continuous measurement scheme for the four qubit Bacon-Shot code, which can store a single qubit in four physical qubits, and show that it can both detect and suppress quantum errors.
A. Revelli, M. Moretti Sala, G. Monaco, C. Hickey, P. Becker, F. Freund, A. Jesche, P. Gegenwart, T. Eschmann, F. L. Buessen, S. Trebst, P. H. M. van Loosdrecht, J. van den Brink, and M. Grüninger
Phys. Rev. Research 2, 043094 (2020) - Published 16 October, 2020
The authors report on a proximate Kitaev spin liquid regime in two different honeycomb iridates in a broad temperature and energy range. The common phenomenology with -RuCl defines what constitutes a “Kitaev material” beyond the existence of a dominant bond-directional exchange.
Zhuo-Yu Xian and Long Zhao
Phys. Rev. Research 2, 043095 (2020) - Published 19 October, 2020
The authors study the energy transfer between two black holes connected by a wormhole and find an anomalous heat flow via the wormhole, which transfers the heat from the colder black hole to the hotter black hole
Geraint Pratten, Patricia Schmidt, Riccardo Buscicchio, and Lucy M. Thomas
Phys. Rev. Research 2, 043096 (2020) - Published 19 October, 2020
This paper uses Bayesian model selection to determine suitable binary black holes for spin misalignment measurements, even in the presence of waveform systematics.
Maximilian Voit and Hildegard Meyer-Ortmanns
Phys. Rev. Research 2, 043097 (2020) - Published 19 October, 2020
This work studies the dynamics that emerges at the bifurcation points between different dynamical regimes in heteroclinic dynamics and show the onset of criticality in those regimes.
Nitin Upadhyaya, Bryan G. Chen, and Vincenzo Vitelli
Phys. Rev. Research 2, 043098 (2020) - Published 19 October, 2020
This article describes a class of nonlinear topological mechanical systems whose continuum elasticity displays connections with the supersymmetric field theory introduced by Witten and Olive.
D. R. Saykin, V. Yu. Kachorovskii, and I. S. Burmistrov
Phys. Rev. Research 2, 043099 (2020) - Published 19 October, 2020
The authors construct the phase diagram of a flexible two-dimensional material with a quenched short-range disorder. The phase diagram has four phases with different elastic and transport properties at finite temperatures.
Fengfeng Zhu, Xiao Wang, Martin Meven, Junda Song, Thomas Mueller, Changjiang Yi, Wenhai Ji, Youguo Shi, Jie Ma, Karin Schmalzl, Wolfgang F. Schmidt, Yixi Su, and Thomas Brückel
Phys. Rev. Research 2, 043100 (2020) - Published 19 October, 2020
This paper presents a neutron scattering study of the magnetic structures and field-induced spin-flop transition in two-dimensional antiferromagnetic Dirac semimetal EuMnBi2 to reveal the interplay between multiple magnetic degrees of freedom and Dirac fermions.
Chihiro Noguchi and Tatsuro Kawamoto
Phys. Rev. Research 2, 043101 (2020) - Published 19 October, 2020
This paper investigates the performance deterioration on spectral clustering owing to overlapping structures in graphs.
Ilon Joseph
Phys. Rev. Research 2, 043102 (2020) - Published 19 October, 2020
This paper shows how to use quantum computers to simulate nonlinear and non-Hamiltonian classical dynamics by using the Koopman-von Neumann approach, which reformulates the classical system as an equivalent Schrodinger equation with a Hermitian Hamiltonian and a unitary evolution operator on phase space.
Alfred Harwood and Alessio Serafini
Phys. Rev. Research 2, 043103 (2020) - Published 20 October, 2020
The authors develop a framework to describe Gaussian coherent feedback and apply to a bosonic mode subjected to a rotating wave coupling to show that there is no combination of passive feedback loops and quadratic Hamiltonian which can beat the 3dB limit.
Aleksandra Petković, Benjamin Reichert, and Zoran Ristivojevic
Phys. Rev. Research 2, 043104 (2020) - Published 20 October, 2020
The authors study the density profile in a semi-infinite one-dimensional Bose gas and solve the problem of the bound states of a quantum impurity immersed in the system.
Pablo Aguado-Puente, Stephen Fahy, and Myrta Grüning
Phys. Rev. Research 2, 043105 (2020) - Published 20 October, 2020
This work investigates the topological insulator transition under pressure in PbTe, SnTe and GeTe using the method, including corrections from the off-diagonal elements of the self-energy.
Davide Poderini, Samuraí Brito, Ranieri Nery, Fabio Sciarrino, and Rafael Chaves
Phys. Rev. Research 2, 043106 (2020) - Published 20 October, 2020
The authors derive a criteria to ascertain whether a quantum resource can lead to nonclassical behavior in a prepare and measure scenario, and use this result to show how nonclassicality can be activated by increasing the number of preparations or measurements
Felix Thiel, Itay Mualem, Dror Meidan, Eli Barkai, and David A. Kessler
Phys. Rev. Research 2, 043107 (2020) - Published 20 October, 2020
The authors identify certain dark initial states in quantum systems and provide a a formula for their detection probability.
Santanu Sinha, Subhadeep Roy, and Alex Hansen
Phys. Rev. Research 2, 043108 (2020) - Published 20 October, 2020
This study shows a phase transition from nonlocalized to localized fracture when tuning the disorder in the fiber bundle model. The transition is first order or second order depending on how the disorder is tuned.
Erik Sauer, Juan Pablo Vasco, and Stephen Hughes
Phys. Rev. Research 2, 043109 (2020) - Published 20 October, 2020
This work uses a guided-mode expansion technique to analyze the band structure and intrinsic propagation losses of four types of topological photonic crystal slab waveguides.
Perry T. Mahon and J. E. Sipe
Phys. Rev. Research 2, 043110 (2020) - Published 21 October, 2020
The authors implement a microscopic theory of polarization and magnetization to study the effects of non-static and non-uniform electromagnetic fields in crystalline systems. The paper presents the linear response tensors associated with the electronic multipole moments and their description of optical activity and other magneto-optical phenomena
Daisuke Noto, Yuji Tasaka, Jumpei Hitomi, and Yuichi Murai
Phys. Rev. Research 2, 043111 (2020) - Published 21 October, 2020
This work studies the stress-optic law for the flow-induced birefringence that appears in shear flows of a Newtonian fluid, containing tiny flake-structured particles which align in the local shear directions.
Ikuma Tateishi
Phys. Rev. Research 2, 043112 (2020) - Published 21 October, 2020
The author finds an intrinsic link between nodal line semimetals without spin-orbit coupling and topological crystalline insulators, and show a mapping rule from nodal line configurations to the mirror Chern numbers.
Maksim Kitsak, Ivan Voitalov, and Dmitri Krioukov
Phys. Rev. Research 2, 043113 (2020) - Published 21 October, 2020
The paper finds that the accuracy of link prediction in networks using latent hyperbolic geometry depends on how accurately coordinates of nodes in this geometry are inferred, and develops a hyperbolic coordinate inference method for network embedding.
Adolfo del Campo
Phys. Rev. Research 2, 043114 (2020) - Published 21 October, 2020
This work shows the complete family of one-dimensional quantum many-body systems in which the ground state is a product of pair correlation functions both in free space and with a trapping potential.
Jonathan M. Aurnou, Susanne Horn, and Keith Julien
Phys. Rev. Research 2, 043115 (2020) - Published 21 October, 2020
The paper develops heat and momentum transport scalings for non-rotating, slowly rotating and rapidly rotating buoyancy-driven convection.
Fernando L. Metz and Jeferson D. Silva
Phys. Rev. Research 2, 043116 (2020) - Published 22 October, 2020
The authors study the spectral density of the configuration model of complex networks and demonstrate that, even in the dense regime, the Wigner semicircle law breaks down if the degree fluctuations are large enough.
Giordano De Marzo, Andrea Zaccaria, and Claudio Castellano
Phys. Rev. Research 2, 043117 (2020) - Published 22 October, 2020
This work uses a modified voter model to investigate how a personalized recommendation algorithm affects opinion dynamics, and shows how polarization can be avoided only in small groups if the strength of the recommendation is below a threshold.
Enrico Compagno, Guillaume Quesnel, Anna Minguzzi, Luigi Amico, and Denis Feinberg
Phys. Rev. Research 2, 043118 (2020) - Published 22 October, 2020
The authors propose to create multipartite entangled N00N states by driving interactions in arrays of ultracold atom wells.
Anine L. Borger, Qian Huang, Ole Hassager, Jacob J. K. Kirkensgaard, Kristoffer Almdal, and Kell Mortensen
Phys. Rev. Research 2, 043119 (2020) - Published 22 October, 2020
The author presents structural studies of the relaxation characteristics of linear polymer molecules after extreme stretch. By analyzing the data in terms of spherical harmonics, the paper reveals a decoupling of local and global relaxation phenomena.
Hiroshi Ito, Yusuke Otaki, Yuta Tomohiro, Yukiaki Ishida, Ryota Akiyama, Akio Kimura, Shik Shin, and Shinji Kuroda
Phys. Rev. Research 2, 043120 (2020) - Published 22 October, 2020
The authors perform pump-probe ARPES measurement on a SnTe (111) surface to reveal the position of the Dirac point, and the Rashba splitting of the bulk valence band.
Kazuhiro Nawa, Daigorou Hirai, Maiko Kofu, Kenji Nakajima, Ryo Murasaki, Satoshi Kogane, Motoi Kimata, Hiroyuki Nojiri, Zenji Hiroi, and Taku J. Sato
Phys. Rev. Research 2, 043121 (2020) - Published 23 October, 2020
This work presents the inelastic neutron scattering spectrum on the spin-1/2 anisotropic triangular lattice antiferromagnetCa_3 ReO_5 Cl_2 , and show that the spinon-like continuum coexists with dispersive modes due to the formation of bound spinon pairs.
Armin Tavakoli, Ingemar Bengtsson, Nicolas Gisin, and Joseph M. Renes
Phys. Rev. Research 2, 043122 (2020) - Published 23 October, 2020
The paper provides an application for symmetric informationally complete measurements in four dimensions
Fenna Müller, Urna Basu, Peter Sollich, and Matthias Krüger
Phys. Rev. Research 2, 043123 (2020) - Published 23 October, 2020
The authors investigate time-dependent response theory around equilibrium in a coarse-grained system and show that the second order response to arbitrary time-dependent perturbations can be found from linear response quantities
Munir Salman, Christian Bick, and Katharina Krischer
Phys. Rev. Research 2, 043125 (2020) - Published 23 October, 2020
The authors study the oscillations of bistable components and interpret the stationary states of the individual components as electrical circuits to derive a necessary condition for the occurrence of collective oscillations.
Bhargavi Jonnadula, Prabha Mandayam, Karol Życzkowski, and Arul Lakshminarayan
Phys. Rev. Research 2, 043126 (2020) - Published 23 October, 2020
This article studies the entanglement landscape of bipartite unitary operators via two local invariants: the entangling power and the gate typicality.
Giovanni Cantele, Dario Alfè, Felice Conte, Vittorio Cataudella, Domenico Ninno, and Procolo Lucignano
Phys. Rev. Research 2, 043127 (2020) - Published 23 October, 2020
The authors use large-scale ab-initio density functional theory and tight binding calculations to study the role of atomic relaxation on the low energy physics of twisted bilayer graphene as a function of the twist angle, and show that the flat bands emerging close to charge neutrality can be described taking into account atomic relaxation.
Jamie Sikora and John H. Selby
Phys. Rev. Research 2, 043128 (2020) - Published 23 October, 2020
This works uses semi-infinite programming to address the problem of coin flipping and shows that it is impossible in a variety of systems
Hai-Bing Fu, Wei Cheng, Long Zeng, Dan-Dan Hu, and Tao Zhong
Phys. Rev. Research 2, 043129 (2020) - Published 23 October, 2020
The authors use a QCD light-cone sum rules approach to calculate the helicity form factors of a D meson semileptonic decay into a vector meson.
Bao-Jie Liu, Shi-Lei Su, and Man-Hong Yung
Phys. Rev. Research 2, 043130 (2020) - Published 23 October, 2020
This work presents an scheme to realize universal geometrical gates via non-cyclic geometric phase in Rydberg atoms. The authors show that this scheme makes it possible to accelerate the implemented geometric gates against the effects from the environmental decoherence.
Motoaki Hirayama, Ryo Takahashi, Satoru Matsuishi, Hideo Hosono, and Shuichi Murakami
Phys. Rev. Research 2, 043131 (2020) - Published 26 October, 2020
This paper uses ab initio calculation to show that an electride apatite, in which electrons serve as anions, realizes a three-dimensional higher-order topological phase with a quantized hinge charge.
H. A. Carmona, A. W. T. de Noronha, A. A. Moreira, N. A. M. Araújo, and J. S. Andrade, Jr.
Phys. Rev. Research 2, 043132 (2020) - Published 26 October, 2020
The authors apply the optimal path crack model to investigate the mobility of road networks and propose a proxy for resilience of urban mobility.
Arko Roy, Soumya Bera, and Kush Saha
Phys. Rev. Research 2, 043133 (2020) - Published 26 October, 2020
The authors study the bosonic analogue of electronic higher harmonic generation in a system of neutral cold atoms. Under a strong synthetic electric field, the authors predict the generation of higher harmonics in the insulating state.
P. Géhanne, S. Rohart, A. Thiaville, and V. Jeudy
Phys. Rev. Research 2, 043134 (2020) - Published 26 October, 2020
The authors show the onset of variations of the interaction between domain wall and pinning disorder with domain wall structure.
Zachary G. Nicolaou and Adilson E. Motter
Phys. Rev. Research 2, 043135 (2020) - Published 26 October, 2020
The authors show that the omission of small-sensitivity links can create large variations in the estimated rate constants of chemical reaction networks.
Takahiro Fukui
Phys. Rev. Research 2, 043136 (2020) - Published 27 October, 2020
The author derives edge-state Hamiltonians which describe edge-states at one end separated from the bulk spectra.
Mauro M. Monsalve-Mercado and Christian Leibold
Phys. Rev. Research 2, 043137 (2020) - Published 27 October, 2020
The authors show how the addition of static recurrent inhibition to a system of Turing pattern formation removes pattern alignment to boundaries and explains features of medial entorhinal cortex grid cells.
Gennaro Tucci, Andrea Gambassi, Shamik Gupta, and Édgar Roldán
Phys. Rev. Research 2, 043138 (2020) - Published 27 October, 2020
This work uses tools of probability theory and stochastic processes to study a system of small particles moving erratically in space trying to avoid to get trapped into a tiny cage.
R. A. Davis, W. A. Angermeier, R. K. T. Hermsmeier, and T. G. White
Phys. Rev. Research 2, 043139 (2020) - Published 27 October, 2020
The authors perform wave-packet molecular dynamics simulations to investigate non-adiabatic effects on the ion structure factor and sound speed of dense plasmas.
Pauline J. Ollitrault, Abhinav Kandala, Chun-Fu Chen, Panagiotis Kl. Barkoutsos, Antonio Mezzacapo, Marco Pistoia, Sarah Sheldon, Stefan Woerner, Jay M. Gambetta, and Ivano Tavernelli
Phys. Rev. Research 2, 043140 (2020) - Published 27 October, 2020
The authors introduce a quantum algorithm for the calculation of molecular excited states and apply it to lithium hydride on a superconducting qubit device.
Christoph Tietz, Tobias Michael Fritz, Katharina Holzweber, Michael Legenstein, Bogdan Sepiol, and Michael Leitner
Phys. Rev. Research 2, 043141 (2020) - Published 27 October, 2020
This work shows that ionic diffusion in a prototypic superionic-conducting glass proceeds via vacancies moving over a temporally stable network of ionic sites.
Takashi Tsuchimochi, Yuto Mori, and Seiichiro L. Ten-no
Phys. Rev. Research 2, 043142 (2020) - Published 27 October, 2020
The authors propose a quantum circuit for recovering the quantum spin number in strongly correlated fermionic systems.
N. Matsubara, E. Nocerino, K. Kamazawa, O. K. Forslund, Y. Sassa, L. Keller, V. V. Sikolenko, V. Pomjakushin, H. Sakurai, J. Sugiyama, and M. Månsson
Phys. Rev. Research 2, 043143 (2020) - Published 28 October, 2020
The authors study a charge-orbital-spin correlation of high-pressure synthesized quasi-one-dimensional NaMnO and LiMnO using a low-temperature neutron powder diffraction.
Yusuke Nomura, Takuya Nomoto, Motoaki Hirayama, and Ryotaro Arita
Phys. Rev. Research 2, 043144 (2020) - Published 27 October, 2020
The authors study the magnitude of the magnetic exchange coupling in theoretically-proposed cuprate-analog nickelates, and shows that the nickelates share a common thread with the cuprates in that they also have a significant exchange coupling as large as about 100 meV.
Julian Bender, Patrick Emonts, Erez Zohar, and J. Ignacio Cirac
Phys. Rev. Research 2, 043145 (2020) - Published 27 October, 2020
The authors introduce a class of variational states which allows to study ground state properties and out-of-equilibrium dynamics in (2+1)-dimensional lattice quantum electrodynamics.
Austin Hopkins and Brian A. Camley
Phys. Rev. Research 2, 043146 (2020) - Published 28 October, 2020
This work shows that cells should express multiple types of receptors when they are sufficiently uncertain about their environment, and also shows how cells can efficiently integrate information from these different receptor types.
Nikola Andrejic and Ravi Kunjwal
Phys. Rev. Research 2, 043147 (2020) - Published 28 October, 2020
This paper investigates the scope of joint measurability structures that are realizable with two-outcome qubit measurements by introducing the technique of marginal surgery.
Menglin L. N. Chen, Li Jun Jiang, Zhihao Lan, and Wei E. I. Sha
Phys. Rev. Research 2, 043148 (2020) - Published 28 October, 2020
This paper demonstrates the coexistence of pseudospin- and valley-Hall-like edge states in a photonic crystal with C symmetry. The system can support tri-band pseudospin- and valley-momentum locking edge states at properly designed domain-wall interfaces.
Fatih Dinc, Lauren E. Hayward, and Agata M. Brańczyk
Phys. Rev. Research 2, 043149 (2020) - Published 28 October, 2020
The authors introduce a dimensional reduction of poles approach use it to study multi-dimensional superradiance and subradiance in hyperlattices of intersecting two-level emitter linear chains
Peter Grassberger
Phys. Rev. Research 2, 043150 (2020) - Published 28 October, 2020
The paper shows the onset of a spongy phase in slowly growing clusters in media with frozen obstacles in >2 dimensions, characterized by channels reaching arbitrarily far down from the outer surface.
Christophe De Beule, Peter G. Silvestrov, Ming-Hao Liu (劉明豪), and Patrik Recher
Phys. Rev. Research 2, 043151 (2020) - Published 28 October, 2020
The authors consider electronic transport in twisted bilayer graphene for intermediate twist angles and find that a Lifshitz transition induced by an electrostatic barrier gives rise to valley-layer polarized currents and valley-selective transverse focusing of the current.
James Schneeloch, Christopher C. Tison, Michael L. Fanto, Shannon Ray, and Paul M. Alsing
Phys. Rev. Research 2, 043152 (2020) - Published 28 October, 2020
The authors develop techniques to quantify multipartite and high-dimensional entanglement using information-based measures of correlation and uncertainty, and show the large amounts of multi-partite entanglement available in photon triplets generated in third-order Spontaneous Parametric Down-Conversion
Mohammad Heiranian, Amir Taqieddin, and Narayana R. Aluru
Phys. Rev. Research 2, 043153 (2020) - Published 28 October, 2020
The authors revisit Sampson theory for hydrodynamic transport in ultrathin nanopores.
Vasilii Vadimov, Tapio Ala-Nissila, and Mikko Möttönen
Phys. Rev. Research 2, 043154 (2020) - Published 29 October, 2020
The authors show that initially entangled spins subjected to a many-body localized environment preserve correlations after a long time evolution.
Tommy Li, Julian Ingham, and Harley D. Scammell
Phys. Rev. Research 2, 043155 (2020) - Published 29 October, 2020
The authors propose a mechanism for superconductivity due to repulsive interactions in Dirac systems based on interference effects arising from the Berry phase and show that this mechanism can be realized in semiconductor artificial graphene.
Marco Thaler, Dominik Steiner, Alexander Menzel, Florian Mittendorfer, and Erminald Bertel
Phys. Rev. Research 2, 043156 (2020) - Published 29 October, 2020
The authors study the band structure of a hexagonal Boron Nitride monolayer on a Pt(110) surface with rectangular symmetry using angle-resolved photoemission and density functional theory, and show that the bonding is dominated by van-der-Waals forces.
Ivan Voitalov, Pim van der Hoorn, Maksim Kitsak, Fragkiskos Papadopoulos, and Dmitri Krioukov
Phys. Rev. Research 2, 043157 (2020) - Published 29 October, 2020
The paper introduces the maximum entropy model of weighted networks with a given joint distribution of degrees and strengths, and apply it to the case where the distributions are power laws.
Ken M. Nakanishi, Keisuke Fujii, and Synge Todo
Phys. Rev. Research 2, 043158 (2020) - Published 29 October, 2020
The authors propose an optimization method for quantum-classical hybrid algorithms.
Tim Eschmann, Vatsal Dwivedi, Henry F. Legg, Ciarán Hickey, and Simon Trebst
Phys. Rev. Research 2, 043159 (2020) - Published 29 October, 2020
This paper discusses the thermodynamic precursors of spin liquid formation in an exactly solvable spin-3/2 model, whose different ground states distinguish themselves by (higher-order) parton band topology.
F. Lengers, T. Kuhn, and D. E. Reiter
Phys. Rev. Research 2, 043160 (2020) - Published 29 October, 2020
The authors study the spatiotemporal capture of freely moving excitons into localized excitons in two dimensional monolayer semiconductors by emission of phonons.
Gregory L. Eyink and Dmytro Bandak
Phys. Rev. Research 2, 043161 (2020) - Published 30 October, 2020
This work proposes a renormalization group theory of spontaneous stochasticity, via analogy with zero-temperature phase transitions in equilibrium systems with non-unique ground states.
J. G. Muga, S. Martínez-Garaot, M. Pons, M. Palmero, and A. Tobalina
Phys. Rev. Research 2, 043162 (2020) - Published 30 October, 2020
The authors propose a method to scale up or down, or to invert the position or the momentum of quantum or classicalparticles by a time-dependent harmonic oscillator.
Flavio Baccari, Christian Gogolin, Peter Wittek, and Antonio Acín
Phys. Rev. Research 2, 043163 (2020) - Published 30 October, 2020
The authors show how to benchmark the output of quantum devices designed to solve optimization problems encoded in the ground-state configuration of classical spin systems by means of lower bounds to the ground-state energy obtained by semi-definite programming.
Junyu Liu
Phys. Rev. Research 2, 043164 (2020) - Published 30 October, 2020
The author explores the quantum butterfly effect in charged systems and their quantum error correction properties.
David Aasen, Daniel Bulmash, Abhinav Prem, Kevin Slagle, and Dominic J. Williamson
Phys. Rev. Research 2, 043165 (2020) - Published 30 October, 2020
This paper introduces topological defect networks as a unified framework for describing various types of gapped fracton orders. By viewing fracton phases as a network of topological defects embedded into a topological quantum field theory, the authors show how the mobility constraints characteristic of fracton phases directly follow from topological defect physics.
Shuai Ren, Christian Pedersen, Andreas Carlson, Thomas Salez, and Yuliang Wang
Phys. Rev. Research 2, 043166 (2020) - Published 30 October, 2020
The authors show that air nanobubbles nucleated at solid-liquid interfaces can deform ultrathin glassy polystyrene films, leading to the formation of nanocraters.
Chun-Hui Liu, Kai Zhang, Zhesen Yang, and Shu Chen
Phys. Rev. Research 2, 043167 (2020) - Published 30 October, 2020
The authors demonstrate the existence of helical damping and dynamical critical skin effect in quantum open systems and show that the change of generalized Brillouin zone equation is the origin of critical skin effect.
I. Sendiña-Nadal, I. Leyva, M. Perc, D. Papo, M. Jusup, Z. Wang, J. A. Almendral, P. Manshour, and S. Boccaletti
Phys. Rev. Research 2, 043168 (2020) - Published 2 November, 2020
This work shows the results of allowing individuals to adopt different strategies with different partners in the evolutionary dynamics, including time-dependent coexistence of cooperation and defection, system-wide shifts in the dominant strategy, and maturation in individual choices.
J. E. Slimak, A. Sethi, T. Kolodiazhnyi, and S. L. Cooper
Phys. Rev. Research 2, 043169 (2020) - Published 30 October, 2020
The authors use Raman spectroscopy to study anomalous phonon-softening with decreasing temperature and the pressure- and magnetic field-dependent crystal electric field splittings in hexagonal PrO.
L. T. Tsymbal, G. N. Kakazei, and Ya. B. Bazaliy
Phys. Rev. Research 2, 043170 (2020) - Published 2 November, 2020
The authors show that micrometer-thick garnet films exhibit a stripe domain structure between magnetic orientation transitions and switches to the in-plane and out-of-plane uniform states via two distinct physical mechanisms.
Felix Kramer and Carl D. Modes
Phys. Rev. Research 2, 043171 (2020) - Published 2 November, 2020
The authors study a toy model of two geometrically intertwined biological flow networks and display the topological transitions in the networks resulting from spatial coupling between the two structures.
Nicky Kai Hong Li and Norbert Lütkenhaus
Phys. Rev. Research 2, 043172 (2020) - Published 2 November, 2020
The authors show the emergence of secret keys in the BB84 protocol in the low-loss regime.
L. Feder, B. Miao, J. E. Shrock, A. Goffin, and H. M. Milchberg
Phys. Rev. Research 2, 043173 (2020) - Published 3 November, 2020
The authors show that an ultrashort, relativistic intensity laser pulse can propagate for hundreds of Rayleigh ranges in a prepared neutral hydrogen channel by generating its own plasma waveguide as it propagates.
Arnab Pal, Łukasz Kuśmierz, and Shlomi Reuveni
Phys. Rev. Research 2, 043174 (2020) - Published 3 November, 2020
The authors show an advantage in home returns when searching for hidden targets in conditions of high uncertainty.
Akihiko Ikeda, Yasuhiro H. Matsuda, Xuguang Zhou, Takeshi Yajima, Yuya Kubota, Kensuke Tono, and Makina Yabashi
Phys. Rev. Research 2, 043175 (2020) - Published 3 November, 2020
The paper describes the single shot x-ray diffraction experiments at pulsed high magnetic fields up to 16 T and show the onset of the structural phase transition of a manganite.
Carlo Forestiere, Giovanni Miano, and Guglielmo Rubinacci
Phys. Rev. Research 2, 043176 (2020) - Published 3 November, 2020
The authors investigate the problem of electromagnetic scattering by small objects perturbatively starting from the electroquasistatic and magnetoquasistatic limits, and introduce closed form expressions for the resonance frequency and radiative Q-factor of plasmonic and dielectric modes.
Paul Fischer and Lutz Schweikhard
Phys. Rev. Research 2, 043177 (2020) - Published 3 November, 2020
The authors perform multi-reflection time-of-flight mass spectrometry of time-resolved photodissociation of indium clusters and observe a power-law exponent of the decay rate links cluster dissociation energy and ensemble temperature.
Jiaozi Wang, Giuliano Benenti, Giulio Casati, and Wen-ge Wang
Phys. Rev. Research 2, 043178 (2020) - Published 3 November, 2020
The authors show that the number of Fourier components of the Wigner distribution can be used as a tool to characterize complexity in classical and quantum mechanics.
Birender Singh, M. Vogl, S. Wurmehl, S. Aswartham, B. Büchner, and Pradeep Kumar
Phys. Rev. Research 2, 043179 (2020) - Published 3 November, 2020
This paper studies the coupling of optical phonons to the spin and electronic degrees of freedom and its influence in defining the quantum magnetic ground state of double-perovskite iridium-based materials.
Amin Hosseinkhani and Guido Burkard
Phys. Rev. Research 2, 043180 (2020) - Published 3 November, 2020
The authors develop a perturbative approach and show that the response of the valley splitting to the electromagnetic field in silicon quantum dots depends on the interface roughness.
J. C. Souza, P. F. S. Rosa, J. Sichelschmidt, M. Carlone, P. A. Venegas, M. O. Malcolms, P. M. Menegasso, R. R. Urbano, Z. Fisk, and P. G. Pagliuso
Phys. Rev. Research 2, 043181 (2020) - Published 3 November, 2020
The authors study the effects of magnetic impurities in a Kondo insulator and demonstrate that the Kondo insulating state is destroyed locally around impurities.
Sukanya Pal, Shivani Grover, Luminita Harnagea, Prachi Telang, Anupam Singh, D. V. S. Muthu, U. V. Waghmare, and A. K. Sood
Phys. Rev. Research 2, 043182 (2020) - Published 4 November, 2020
The authors use high-pressure Raman spectroscopy along with a first-principles model analysis to study the role of exciton-phonon coupling in stabilizing the excitonic insulator phase of TaNiSe at room temperature.
Alexander Edström and Claude Ederer
Phys. Rev. Research 2, 043183 (2020) - Published 4 November, 2020
This study shows that a Ba substitution enhances the magnetic coupling in (Sr,Ba)MnO, while the ferroelectric properties are controlled mainly by the lattice expansion along the polarization direction, but also affected by a strong magnetoelectric coupling.
Angelo Carollo, Dario Cilluffo, and Francesco Ciccarello
Phys. Rev. Research 2, 043184 (2020) - Published 4 November, 2020
The authors propose a general mechanism to build decoherence-free many-body Hamiltonian with giant-atoms in a broadband waveguide and compare it to standard dispersive approaches with normal atoms.
Olivier Bleu, Guangyao Li, Jesper Levinsen, and Meera M. Parish
Phys. Rev. Research 2, 043185 (2020) - Published 4 November, 2020
The authors analyze polariton-polariton elastic scattering and find that it is enhanced with respect to the low-energy scattering of excitons in two-dimensions.
André Fűzfa, Williams Dhelonga-Biarufu, and Olivier Welcomme
Phys. Rev. Research 2, 043186 (2020) - Published 5 November, 2020
The authors describe the general motion of radiation-pushed sails accelerated near the speed of light with directed energy propulsion.
Varinder Singh
Phys. Rev. Research 2, 043187 (2020) - Published 5 November, 2020
This paper investigates the efficiency at the optimal performance of a three-level laser quantum heat engine.
Alexei V. Tkachenko
Phys. Rev. Research 2, 043188 (2020) - Published 5 November, 2020
This paper shows that classicality is an emergent and reversible property that arises when a part of a quantum system becomes informationally isolated.
Jason L. Pereira, Quntao Zhuang, and Stefano Pirandola
Phys. Rev. Research 2, 043189 (2020) - Published 5 November, 2020
This paper presents ultimate bounds for the task of finding a target quantum channel in a sequence of background channels with the same transmissivity and shows that an advantage can be gained by using quantum states as probes.
M. Michael Denner, J. L. Lado, and Oded Zilberberg
Phys. Rev. Research 2, 043190 (2020) - Published 5 November, 2020
The authors present a controllable procedure to realize anti-chiral states in solid-state systems, as well as in quantum engineered metamaterials. These states emerge by combining electronic Dirac-cone spectra of graphene multilayers through an in-plane magnetic field and inter-layer bias voltage.
Kyle Monkman and Jesko Sirker
Phys. Rev. Research 2, 043191 (2020) - Published 6 November, 2020
The authors explore the connection between symmetry-protected topological edge states and the amount of operational entanglement that can be transferred to a quantum register, and show that the build-up of entanglement can be inferred from particle number spectroscopy alone.
Pye Ton How and Sung-Kit Yip
Phys. Rev. Research 2, 043192 (2020) - Published 6 November, 2020
The authors examine half quantum vortices in the nematic superconductor MxBi2Se3 and find that pairs of vortices are stable over a large region of parameter space.
Rubén Seoane Souto, Dushko Kuzmanovski, and Alexander V. Balatsky
Phys. Rev. Research 2, 043193 (2020) - Published 6 November, 2020
The authors investigate the supercurrent noise in phase-biased superconducting weak links as a possible probe of inter-lead odd-frequency pairing, so-called Berezinskii pairs.
Boyan T. Torosov and Nikolay V. Vitanov
Phys. Rev. Research 2, 043194 (2020) - Published 6 November, 2020
The authors present an approach to design high-fidelity quantum logic gates with Raman qubits using the technique of composite pulses.
Calum Maitland, Matteo Conforti, Arnaud Mussot, and Fabio Biancalana
Phys. Rev. Research 2, 043195 (2020) - Published 6 November, 2020
This paper explores the steady state behaviour of an optical resonator composed of two interlinked fibre loops and observe the onset of cavity solitons and modulation instability spectra.
Vishal P. Patil, Žiga Kos, Miha Ravnik, and Jörn Dunkel
Phys. Rev. Research 2, 043196 (2020) - Published 6 November, 2020
The authors compare the dynamics of energy release from broken topological states in elastic fibers and nematic liquid crystals, and find that certain topologies exhibit a form of resonance in which the energy relaxation becomes very slow or fast.
András L. Szabó and Bitan Roy
Phys. Rev. Research 2, 043197 (2020) - Published 6 November, 2020
The authors demonstrate the stability of higher-order Dirac fermions and the corresponding one-dimensional hinge modes against weak disorder. At the brink of metallicity, they also show a possible emergent superuniversality in the entire family of dirty Dirac semimetals.
N. Wall Wennerdal, A. Ask, P. Holmvall, T. Löfwander, and M. Fogelström
Phys. Rev. Research 2, 043198 (2020) - Published 6 November, 2020
The authors present a microscopic tight-binding study of a stable low-temperature phase that breaks both time-reversal and translational invariance in d-wave superconductors.
Simon Čopar and Anže Božič
Phys. Rev. Research 2, 043199 (2020) - Published 6 November, 2020
The authors show that dipole-dipole interactions can break the icosahedral symmetry in spherical assemblies result in orientational structures with a variety of different symmetries
Koji Usami and Kazuyuki Takeda
Phys. Rev. Research 2, 043200 (2020) - Published 9 November, 2020
The authors describe a pathway to detect nuclear spin resonance with surface acoustic wave cavities for thin specimens, where the spin-rotation coupling is relevant.
Eric J. Meier, Kinfung Ngan, Dries Sels, and Bryce Gadway
Phys. Rev. Research 2, 043201 (2020) - Published 9 November, 2020
The authors test a shortcut-to-adiabaticity scheme by directly countering diabatic transitions which occur during several experiments with time-dependent, many-level systems of ultracold atoms in a synthetic lattice.
Rui Wang, Yu-Gang Ma, R. Wada, Lie-Wen Chen, Wan-Bing He, Huan-Ling Liu, and Kai-Jia Sun
Phys. Rev. Research 2, 043202 (2020) - Published 9 November, 2020
The authors employ machine learning techniques to identify nuclear liquid-gas phase transition in heavy-ion experiment and determine its limiting temperature, directly from the experimental final state charged particles’ multiplicity distribution.
M. Sushruth, M. Grassi, K. Ait-Oukaci, D. Stoeffler, Y. Henry, D. Lacour, M. Hehn, U. Bhaskar, M. Bailleul, T. Devolder, and J.-P. Adam
Phys. Rev. Research 2, 043203 (2020) - Published 9 November, 2020
The authors present a model of the electrical spectroscopy of propagative spin-waves in samples with perpendicular magnetic anisotropy, focusing on how the shape of the antenna favors the excitation and detection of the spin-waves between the antennas, and of the magnetic damping.
S. Tran, J. Sell, and J. R. Williams
Phys. Rev. Research 2, 043204 (2020) - Published 9 November, 2020
This paper uses the Josephson effect and vortex production to unveil properties of the thin-film superconductor NbSe2, using the nonequilibrium behavior of thin-film superconductors.
LeeAnn M. Sager, Scott E. Smart, and David A. Mazziotti
Phys. Rev. Research 2, 043205 (2020) - Published 9 November, 2020
The authors prepare highly entangled quantum states on a 53-qubit IBM quantum computer, which are viewed as ground-state exciton condensates composed of photon particles and holes.
Hatem Barghathi, Jiangyong Yu, and Adrian Del Maestro
Phys. Rev. Research 2, 043206 (2020) - Published 9 November, 2020
This work introduces a framework for treating indistinguishable quantum particles in the canonical ensemble that allows for the direct computation of thermodynamic properties including energy levels-occupation probability distributions and their corresponding occupation-numbers and correlations.
Alexander E. Lukyanov, Vyacheslav D. Neverov, Yaroslav V. Zhumagulov, Alexey P. Menushenkov, Andrey V. Krasavin, and Alexei Vagov
Phys. Rev. Research 2, 043207 (2020) - Published 9 November, 2020
The authors describe the effect of an external laser pulse in restoring the lattice symmetry in strong phonon-carrier coupling in undoped BaBiO.
Chen-Hsuan Hsu, Flavio Ronetti, Peter Stano, Jelena Klinovaja, and Daniel Loss
Phys. Rev. Research 2, 043208 (2020) - Published 9 November, 2020
This work shows that the combination of electron-electron interactions and a helical magnetic field, arising from either intrinsic or extrinsic spin-orbit coupling, can lead to universal conductance dips and fractional excitations in a quasi-one-dimensional quantum wire.
Yu-Ping Lin
Phys. Rev. Research 2, 043209 (2020) - Published 9 November, 2020
The author analyzes potential flat band superconductivity from the unconventional spin-1 fermionic three-band crossing points, where the critical temperature is enhanced and the Majorana fermions may arise in the chiral pairing states.
M. Nuske, J. Vargas, M. Hachmann, R. Eichberger, L. Mathey, and A. Hemmerich
Phys. Rev. Research 2, 043210 (2020) - Published 9 November, 2020
The authors show how collisional relaxation of cold atoms prepared in an excited band of an optical lattice proceeds via an intermediate metastable state with increased coherence and chiral order.
H. K. Yoshida, M. Matsuda, M. B. Stone, C. R. dela Cruz, T. Furubayashi, M. Onoda, E. Takayama-Muromachi, and M. Isobe
Phys. Rev. Research 2, 043211 (2020) - Published 10 November, 2020
This paper investigates the magnetic state of triangular antiferromagnets with metalic conductivity. The authors observe a slowing down of a spin fluctuation in the 3-sublattice partially disordered state and associate it to the magetic frustration on the two-dimensional triangular lattice.
Alec Kirkley
Phys. Rev. Research 2, 043212 (2020) - Published 10 November, 2020
This study develops a scale-independent framework for assessing correlations in distributional data based on regional adjacency networks and information theory, and applies it to various problems related to the spatial analysis of socioeconomic data.
Stuart J. Masson and Ana Asenjo-Garcia
Phys. Rev. Research 2, 043213 (2020) - Published 10 November, 2020
The authors study single and few-photon physics of atomic chains and propose to use them to mediate tunable-range interactions between impurity qubits coupled to them.
Guido Homann, Jayson G. Cosme, and Ludwig Mathey
Phys. Rev. Research 2, 043214 (2020) - Published 10 November, 2020
The authors propose to induce a time crystalline state in a high-temperature superconductor by optically driving a sum resonance of the Higgs mode and a Josephson plasma mode.
Vincent Thibeault, Guillaume St-Onge, Louis J. Dubé, and Patrick Desrosiers
Phys. Rev. Research 2, 043215 (2020) - Published 11 November, 2020
This paper introduces a dynamics approximate reduction technique to provide low-dimensional representations of dynamics on complex networks, and use it to predict synchronization phenomena emerging from oscillator dynamics.
Lukas Trefflich, Chris Sturm, Marius Grundmann, Frank Dissinger, Siegfried R. Waldvogel, and Rüdiger Schmidt-Grund
Phys. Rev. Research 2, 043216 (2020) - Published 11 November, 2020
The authors investigate the influence of the pulse length as well as the repetition rate of the optical excitation on the emission behavior of carbon-nanodot-based planar microcavities.
J. P. Hague, P. W. Mieczkowski, C. O'Rourke, A. J. Loughlin, and J. B. Phillips
Phys. Rev. Research 2, 043217 (2020) - Published 11 November, 2020
This paper introduces a microscopic model for the organization of cells in tissue, that incorporates the feedback between macroscopic tensions in the extracellular matrix and cell-scale active forces, by combining force-dipole and a contractile network approach.
Renyuan Liao
Phys. Rev. Research 2, 043218 (2020) - Published 12 November, 2020
This work investigates two-component bosons coupled with polarized fermions. It shows that the effective spin-dependent fermion mediated interactions can have effects on the properties of the bosons.
Juven Wang and Shing-Tung Yau
Phys. Rev. Research 2, 043219 (2020) - Published 12 November, 2020
This work constructs a non-abelian gauged fracton matter field theory and explore a superfluid-insulator-like phase transition and the non-abelian vortices via a sigma model.
Simon Mahler, Asher A. Friesem, and Nir Davidson
Phys. Rev. Research 2, 043220 (2020) - Published 12 November, 2020
The authors experimentally demonstrate the effect of crowd synchrony with lasers where a first-order transition to synchronization occurs.
Alan Fang, Anisha G. Singh, Joshua A. W. Straquadine, Ian R. Fisher, Steven A. Kivelson, and Aharon Kapitulnik
Phys. Rev. Research 2, 043221 (2020) - Published 12 November, 2020
The authors combine data from Scanning Tunneling Spectroscopy, resistivity, and ac susceptibility to explore the relation between charge density waves and superconducting orders in Pd-intercalated ErTe.
Chen Huang, Mingnan Ding, and Xiangjun Xing
Phys. Rev. Research 2, 043222 (2020) - Published 12 November, 2020
This work studies an information-based mechanism of self-propulsion in noisy environment by which the swimmer maintains directional motion at the cost of information instead of energy dissipation.
DinhDuy Vu, Rui-Xing Zhang, and S. Das Sarma
Phys. Rev. Research 2, 043223 (2020) - Published 12 November, 2020
This work proposes a real-space criterion to diagnose -protected higher-order topology for time-reversal-invariant superconductors in two dimensions.
Philipp del Hougne
Phys. Rev. Research 2, 043224 (2020) - Published 12 November, 2020
The author demonstrates that wave fingerprints harnessing the extreme sensitivity of wave chaos to perturbations can be used to localize an object inside a complex scattering environment.
Bo Zhang, Benjamin Hilton, Christopher Short, Anton Souslov, and Alexey Snezhko
Phys. Rev. Research 2, 043225 (2020) - Published 12 November, 2020
The authors combine experiments and simulations to investigate collective chiral states of a confined polar active fluid with scatterers and show the onset of three dynamic steady states.
Gen Tatara, Collins Ashu Akosa, and Rubén M. Otxoa de Zuazola
Phys. Rev. Research 2, 043226 (2020) - Published 12 November, 2020
The authors study magnon emission from a relativistic soliton in an antiferromagnet, induced by a vacuum instability due to a Lorentz-boosted magnon response function.
Armin Feist, Sergey V. Yalunin, Sascha Schäfer, and Claus Ropers
Phys. Rev. Research 2, 043227 (2020) - Published 12 November, 2020
This paper demonstrates a laser-based and femtosecond-switchable inelastic electron beam splitter. Coherent optical phase modulation of 200-keV electrons at a thin electron-transparent membrane is used to prepare a high-purity three-dimensional momentum superposition state, which is characterized in energy and momentum space.
Jukka I. Väyrynen, Adrian E. Feiguin, and Roman M. Lutchyn
Phys. Rev. Research 2, 043228 (2020) - Published 13 November, 2020
The authors study conductance and average charge in a Majorana island coupled to many normal metal leads. The topological ground state degeneracy leads to enhanced charge fluctuations and suppression of Coulomb blockade in conductance.
A. Vinante, G. Gasbarri, C. Timberlake, M. Toroš, and H. Ulbricht
Phys. Rev. Research 2, 043229 (2020) - Published 13 November, 2020
The authors summarize the dissipative extensions of spontaneous wavefunction collapse models and derive new exclusion limits on the parameters of different models from an experiment based on a micromagnet levitated by Meissner effect.
Alexander I. Nesterov, Manuel A. Rodríguez Fernández, Gennady P. Berman, and Xidi Wang
Phys. Rev. Research 2, 043230 (2020) - Published 13 November, 2020
The authors propose a Unruh-DeWitt detector based on the decoherence measurement.
Daniel Hexner, Nidhi Pashine, Andrea J. Liu, and Sidney R. Nagel
Phys. Rev. Research 2, 043231 (2020) - Published 13 November, 2020
The authors show how disordered networks aged under external strain attain a memory of their aging history.
Kaelan Donatella, Alberto Biella, Alexandre Le Boité, and Cristiano Ciuti
Phys. Rev. Research 2, 043232 (2020) - Published 13 November, 2020
The authors show how entanglement can be generated and propagate in a dissipative photonic Mott insulator, and how the generation protocol affects the entanglement dynamics of such systems.
Ling Lin, Sergey Kruk, Yongguan Ke, Chaohong Lee, and Yuri Kivshar
Phys. Rev. Research 2, 043233 (2020) - Published 13 November, 2020
This paper studies the interplay between disorder and topology in several types of Mie-resonant arrays of dielectric nanoparticles.
Alexander Avdoshkin and Anatoly Dymarsky
Phys. Rev. Research 2, 043234 (2020) - Published 13 November, 2020
The authors show how the geometry of a lattice system constrains the norm of local operators evolved in Euclidean time.
Boyan T. Torosov, Michael Drewsen, and Nikolay V. Vitanov
Phys. Rev. Research 2, 043235 (2020) - Published 13 November, 2020
The authors present two methods to detect chiral molecules, based on sequences of single pulses and Raman pulse pairs.
Shimpei Goto and Ippei Danshita
Phys. Rev. Research 2, 043236 (2020) - Published 13 November, 2020
The authors show that the numerical efficiency of a method for simulating quantum many-body systems at finite temperatures can be improved using initial states entangled via the operation of Trotter gates.
Dibya J. Sivananda, Nirmal Roy, P. C. Mahato, and S. S. Banerjee
Phys. Rev. Research 2, 043237 (2020) - Published 16 November, 2020
The authors study the irreversibility of electron trajectories associated with quantum mechanical tunnelling across a modulated barrier, and show these quantum mechanical trajectories obey the non-equilibrium fluctuation relation.
Thomas E. Baker and David Poulin
Phys. Rev. Research 2, 043238 (2020) - Published 16 November, 2020
The authors propose a method to export quantum chemistry solutions from a quantum computer. Their scheme does not require excessive wavefunction preparations and yields the density functional and Kohn-Sham potentials.
Yiming Pan and Bing Wang
Phys. Rev. Research 2, 043239 (2020) - Published 16 November, 2020
This paper shows the onset of topologically-protected Floquet time crystals in one-dimensional periodically driven systems with pertinent period-2T oscillations for both driven domain walls and edge states.
Christian Ufrecht, Fabio Di Pumpo, Alexander Friedrich, Albert Roura, Christian Schubert, Dennis Schlippert, Ernst M. Rasel, Wolfgang P. Schleich, and Enno Giese
Phys. Rev. Research 2, 043240 (2020) - Published 16 November, 2020
This work proposes quantum-mechanical tests of the gravitational redshift through atom interferometry. The sensitivity of this scheme arises from transitions between internal states.
Wenlong Wang, Mats Wallin, and Jack Lidmar
Phys. Rev. Research 2, 043241 (2020) - Published 16 November, 2020
The authors present simulations of three-dimensional spin glasses at low temperatures and show the appearance of several thermodynamic states.
Po-Shen Hsin, Ying-Hsuan Lin, Natalie M. Paquette, and Juven Wang
Phys. Rev. Research 2, 043242 (2020) - Published 16 November, 2020
This work constructs an effective field theory of fractional quantum Hall systems near the filling fraction ν=5/2, which can map out an EFT phase diagram with non-abelian Pfaffian, anti-Pfaffian, and particle-hole Pfaffian states, and their gapless topological quantum phase transitions.
Michael Vogl, Pontus Laurell, Hao Zhang, Satoshi Okamoto, and Gregory A. Fiete
Phys. Rev. Research 2, 043243 (2020) - Published 17 November, 2020
The article describes differential equations that allow an approximation of operator square-roots and their application to the Holstein-Primakoff representation of spin operators.
Felipe Jiménez-Ángeles, Katherine J. Harmon, Trung Dac Nguyen, Paul Fenter, and Monica Olvera de la Cruz
Phys. Rev. Research 2, 043244 (2020) - Published 17 November, 2020
The authors show that polarizable and nonpolarizable ions near graphene in water produce nonsymmetric interactions when exchange positions. This broken symmetry happens for intercalated and physisorbed ions.
Andrii Iurov, Liubov Zhemchuzhna, Paula Fekete, Godfrey Gumbs, and Danhong Huang
Phys. Rev. Research 2, 043245 (2020) - Published 17 November, 2020
This paper shows the asymmetrical Klein paradox with a finite incidence angle induced by an external linearly polarized dressing field for graphene and a dice lattice.
David Wierichs, Christian Gogolin, and Michael Kastoryano
Phys. Rev. Research 2, 043246 (2020) - Published 17 November, 2020
This paper shows the convergence of the natural gradient optimizer for the variational quantum eigensolver across multiple spin chain systems.
Revathy B. S, Victor Mukherjee, Uma Divakaran, and Adolfo del Campo
Phys. Rev. Research 2, 043247 (2020) - Published 18 November, 2020
The authors show that when the operation of a quantum machine drives the working substance across a phase transition, its finite-time thermodynamics is universal.
Matteo Paoluzzi, Luca Angelani, Giorgio Parisi, and Giancarlo Ruocco
Phys. Rev. Research 2, 043248 (2020) - Published 18 November, 2020
The work aims to show that small system sizes in numerical simulations turns out to be useful for investigating the Debye spectrum in glasses.
Iurii Chubak, Christos N. Likos, Kurt Kremer, and Jan Smrek
Phys. Rev. Research 2, 043249 (2020) - Published 18 November, 2020
This work shows how glassy behavior emerges from the active, directed polymer dynamics that is triggered by the non-equilibrium phase separation.
Yi-Xuan Lü, Zhi-Xi Wu, and Jian-Yue Guan
Phys. Rev. Research 2, 043250 (2020) - Published 18 November, 2020
The authors propose a model of pedestrian dynamics based on a combined mechanism of avoiding potential collision and attraction by peer partners.
Jörn Werdecker, Bo-Jung Chen, Maarten E. Van Reijzen, Azar Farjamnia, Bret Jackson, and Rainer D. Beck
Phys. Rev. Research 2, 043251 (2020) - Published 18 November, 2020
The paper uses Quantum state-resolved scattering experiment and theory to show that surface-induced intramolecular vibrational energy redistribution in methane-surface scattering is related to the catalytic activity of the impact site.
Jeremy Lim, Yee Sin Ang, F. Javier García de Abajo, Ido Kaminer, Lay Kee Ang, and Liang Jie Wong
Phys. Rev. Research 2, 043252 (2020) - Published 18 November, 2020
This paper reveals two regimes in the nonlinear optical response of three-dimensional Dirac semimetals characterized by the degree of nonlinearity.
Owen Wyn Roberts, Daniel Verscharen, Yasuhito Narita, Rumi Nakamura, Zoltán Vörös, and Ferdinand Plaschke
Phys. Rev. Research 2, 043253 (2020) - Published 18 November, 2020
The authors obtain the fluctuation properties of density fluctuations in the solar wind at scales of a few kilometers, using the four spacecraft measurements from the Magnetospheric MultiScale mission.
Max Boleininger, Martin Gallauer, Sergei L. Dudarev, Thomas D. Swinburne, Daniel R. Mason, and Danny Perez
Phys. Rev. Research 2, 043254 (2020) - Published 18 November, 2020
This work presents a solution for the steady-state drift velocity of a screw dislocation subjected to shear stress. The authors find that the activation energy for drift is halved at high temperature, as the system crosses into the thermodynamic limit.
Catalin-Mihai Halati, Ameneh Sheikhan, and Corinna Kollath
Phys. Rev. Research 2, 043255 (2020) - Published 18 November, 2020
The authors develop a numerical matrix product states method and an analytical adiabatic elimination method to study interacting many body systems coupled to a dissipative bosonic mode.
E. J. Halperin and J. L. Bohn
Phys. Rev. Research 2, 043256 (2020) - Published 19 November, 2020
This paper shows that pure solitons can be created from the ground state of Bose-Einstein condensate in a box trap by quenching the scattering length to four times its initial value.
Daniel M. Busiello, Deepak Gupta, and Amos Maritan
Phys. Rev. Research 2, 043257 (2020) - Published 19 November, 2020
The authors derive expressions of the entropy production when an out of equilibrium biologically-inspired system has two well separated timescales.
Yao Wang, Ilya Esterlis, Tao Shi, J. Ignacio Cirac, and Eugene Demler
Phys. Rev. Research 2, 043258 (2020) - Published 19 November, 2020
The authors develop a variational non-Gaussian diagonalization method as an solver for strongly correlated electron-electron and electron-phonon systems, and explore the phase diagram of the two-dimensional Hubbard-Holstein model.
Zhi-Hao Cui, Chong Sun, Ushnish Ray, Bo-Xiao Zheng, Qiming Sun, and Garnet Kin-Lic Chan
Phys. Rev. Research 2, 043259 (2020) - Published 19 November, 2020
The authors use a density matrix embedding theory to characterize the ground-state phase diagram of the three-band Hubbard model, and focus on the atomic-scale nature of the antiferromagnetic and superconducting orders by including the oxygen degrees of freedom.
Gaetana Spedalieri, Lolita Piersimoni, Omar Laurino, Samuel L. Braunstein, and Stefano Pirandola
Phys. Rev. Research 2, 043260 (2020) - Published 19 November, 2020
The authors show that low energetic quantum states of light are able to outperform classical coherent sources in performing non-invasive detection and identification of bacteria.
Anastasiya Salova and Raissa M. D'Souza
Phys. Rev. Research 2, 043261 (2020) - Published 19 November, 2020
This article develops a framework for analyzing decoupled states in networks of limit cycle oscillators with phase shift symmetry, formulates the conditions on network structure that allows these states to exist, and demonstrates how that structure can be used for stability calculations.
Viktor Holubec, Stefano Steffenoni, Gianmaria Falasco, and Klaus Kroy
Phys. Rev. Research 2, 043262 (2020) - Published 19 November, 2020
The authors study cyclically operating heat engines in contact with an energy reservoir to study heat in nonequilibrium systems.
A. Weh, J. Otsuki, H. Schnait, H. G. Evertz, U. Eckern, A. I. Lichtenstein, and L. Chioncel
Phys. Rev. Research 2, 043263 (2020) - Published 19 November, 2020
The authors study the spectral properties of heterostructures containing half-metallic ferromagnets for strongly correlated models, and show that non-quasiparticle tails in the density of states at the interface to a Mott insulator may be reduced.
F. P. M. Méndez-Córdoba, J. J. Mendoza-Arenas, F. J. Gómez-Ruiz, F. J. Rodríguez, C. Tejedor, and L. Quiroga
Phys. Rev. Research 2, 043264 (2020) - Published 20 November, 2020
This work reports a direct relation between a quantum entanglement entropy and photon observables for a topological chain embedded in a microwave cavity.
Mikolaj D. Uryszek, Frank Krüger, and Elliot Christou
Phys. Rev. Research 2, 043265 (2020) - Published 20 November, 2020
The authors use a soft cutoff renormalization-group approach to study quantum phase transitions of anisotropic nodal point semimetals in the large N limit and physically relevant spatial dimensions.
M. Buchacek, V. B. Geshkenbein, and G. Blatter
Phys. Rev. Research 2, 043266 (2020) - Published 20 November, 2020
The authors show that rare events in the form of small defect clusters dominate the pinning of the vortex lattice in a superconductor in the intermediate regime between weak collective and strong pinning.
Oliver Hart, Giuseppe De Tomasi, and Claudio Castelnovo
Phys. Rev. Research 2, 043267 (2020) - Published 20 November, 2020
This work explores the behavior of quantum particles hopping on a comb-like lattice with structural disorder. The authors find a family of exact states with strictly zero localization length, which survive the addition of interactions.
R. L. Mc Guinness and P. R. Eastham
Phys. Rev. Research 2, 043268 (2020) - Published 20 November, 2020
The authors compute the dispersion relation for exciton-polaritons in zinc-blende semiconductors, and find that it can contain Weyl points and rings of exceptional points.
Jérôme Lodewyck, Rodolphe Le Targat, Paul-Eric Pottie, Erik Benkler, Sebastian Koke, and Jochen Kronjäger
Phys. Rev. Research 2, 043269 (2020) - Published 20 November, 2020
This work presents a mathematical framework for computing frequency ratios in large networks of optical and microwave atomic clocks, from a generic data sharing protocol. It is tailored to be used in continental-scale phase-compensated optical fiber links.
Péter Jeszenszki, Ulrich Ebling, Hongjun Luo, Ali Alavi, and Joachim Brand
Phys. Rev. Research 2, 043270 (2020) - Published 20 November, 2020
The authors propose a similarity transformation that removes a singularity in the wave function of many-body systems with contact interactions.
Lizhi Zhang and Tiago P. Peixoto
Phys. Rev. Research 2, 043271 (2020) - Published 23 November, 2020
The authors propose a Bayesian method to infer assortative community structures in networks, which avoids overfitting and the resolution limit problem.
B. Eliasson, M. Viktorov, D. C. Speirs, K. Ronald, D. Mansfeld, and A. D. R. Phelps
Phys. Rev. Research 2, 043272 (2020) - Published 23 November, 2020
The authors present observations of electromagnetic emissions near electron cyclotron harmonics from mirror-confined laboratory plasma during electron cyclotron resonance heating by microwaves, and attribute them to electron cyclotron instabilities.
Gang Chen and Xiaoqun Wang
Phys. Rev. Research 2, 043273 (2020) - Published 23 November, 2020
This work investigates the emergent magnetism from the interplay of electron quasi-itinerancy and quantum order by disorder in pyrochlore iridates.
Yutaro Tanaka, Ryo Takahashi, Tiantian Zhang, and Shuichi Murakami
Phys. Rev. Research 2, 043274 (2020) - Published 23 November, 2020
The authors show the configurations of hinge states in higher-order topological insulators with inversion symmetry and find a difference of hinge states between the cases with an even and odd number of layers in layered antiferromagnets.
Yantao Li, H. A. Fertig, and Babak Seradjeh
Phys. Rev. Research 2, 043275 (2020) - Published 23 November, 2020
The authors propose an optically tunable platform to create topological flat bands in twisted bilayer graphene using circularly polarized UV laser light.
Quntao Zhuang
Phys. Rev. Research 2, 043276 (2020) - Published 23 November, 2020
The author proposes an approximate unambiguous discrimination scenario and derive its ultimate performance limits for both states and channels.
Ipsita Mandal
Phys. Rev. Research 2, 043277 (2020) - Published 23 November, 2020
This paper studies critical Fermi surfaces in generic dimensions arising from coupling finite-density fermions with transverse gauge fields by applying a dimensional regularization scheme.
Péter Balla, Yasir Iqbal, and Karlo Penc
Phys. Rev. Research 2, 043278 (2020) - Published 24 November, 2020
The authors identify triple points and phase boundaries in the classical phase diagram of the Heisenberg model on the face-centered cubic lattice where the Hamiltonian admits a completing of squares thereby giving rise to subextensively degenerate ground state manifolds with a variety of spin structures.
Samvit Mahapatra, Kabir Ramola, and Mustansir Barma
Phys. Rev. Research 2, 043279 (2020) - Published 24 November, 2020
The authors study the dynamics of a lattice model consisting of two species of hard core particles advecting and interacting with a fluctuating surface.
Kwok Ho Wan, Alex Neville, and Steve Kolthammer
Phys. Rev. Research 2, 043280 (2020) - Published 24 November, 2020
The authors propose an explicit decoder for the approximate Gottesman-Kitaev-Preskill code. The scheme is formulated for multiple rounds of displacement error followed by syndrome extraction measurements and its error estimation is enhanced by considering all recorded syndromes.
V. Nam Do, H. Anh Le, V. Duy Nguyen, and D. Bercioux
Phys. Rev. Research 2, 043281 (2020) - Published 25 November, 2020
The authors study the optical Hall response of bilayer graphene under sliding and twisting and, based on symmetry arguments, explain the effects of Kerr and Faraday rotations as well as the circular dichroism.
Mats Barkman, Albert Samoilenka, Thomas Winyard, and Egor Babaev
Phys. Rev. Research 2, 043282 (2020) - Published 25 November, 2020
This paper demonstrates the existence of stable solitons in the form of nodal rings in imbalanced superfluids and superconductors. These solitons have nontrivial interactions and form composite structures, such as soliton sacks.
Gal Shavit and Yuval Oreg
Phys. Rev. Research 2, 043283 (2020) - Published 25 November, 2020
The authors show how tuning of strong repulsive interactions in one-dimensional systems may lead to the formation of electron pairs. They further explore the system’s phase diagram and extensions to higher dimensions.
Debankur Das, Jürgen Horbach, Peter Sollich, Tanusri Saha-Dasgupta, and Surajit Sengupta
Phys. Rev. Research 2, 043284 (2020) - Published 25 November, 2020
The authors analyze the origin of multivalued height fluctuations, which describe the mechanical behavior of layered solids.
Yaron Kedem, Emil J. Bergholtz, and Frank Wilczek
Phys. Rev. Research 2, 043285 (2020) - Published 25 November, 2020
The authors show the analogies between the equations of motion of electrons at boundaries of certain materials and those which arise at black or white hole horizons.
D. Logoteta, J. Cao, M. Pala, P. Dollfus, Y. Lee, and G. Iannaccone
Phys. Rev. Research 2, 043286 (2020) - Published 30 November, 2020
This paper proposes a device for energy-efficient, steep-slope transistors based on heterojunctions of two-dimensional materials.
Noufal Jaseem, Michal Hajdušek, Parvinder Solanki, Leong-Chuan Kwek, Rosario Fazio, and Sai Vinjanampathy
Phys. Rev. Research 2, 043287 (2020) - Published 30 November, 2020
The authors develop a method to quantifying synchronization in dissimilar quantum systems, and apply these techniques to finite and infinite dimensional systems.
Ehtibar N. Dzhafarov and Janne V. Kujala
Phys. Rev. Research 2, 043288 (2020) - Published 30 November, 2020
The authors reformulate the Conway-Kochen theorem to show that individual particles are not deterministic, and explore the limitation of this result.
Nobuyuki Yoshioka, Yuya O. Nakagawa, Kosuke Mitarai, and Keisuke Fujii
Phys. Rev. Research 2, 043289 (2020) - Published 30 November, 2020
The authors propose a variational quantum algorithm to simulate the nonequilibrium steady state of open quantum systems by embedding mixed states into unitary circuits.
Al-Waleed El-Sayed and Stephen Hughes
Phys. Rev. Research 2, 043290 (2020) - Published 30 November, 2020
The authors present a quasinormal mode theory of mechanical open-cavity modes, and apply it to optomechanical beam cavities.
Samaneh Esfandiary, Ali Safari, Jakob Renner, Paolo Moretti, and Miguel A. Muñoz
Phys. Rev. Research 2, 043291 (2020) - Published 30 November, 2020
This work introduces a framework to study the emergence of long time scales in network models of brain connectivity, and establishes a connection between anomalies in the spectral dimension and the emergence of Lifshitz tails in the Laplacian spectrum.
Jonathan R. A. Müller, R. Mark Stevenson, Joanna Skiba-Szymanska, Ginny Shooter, Jan Huwer, Ian Farrer, David A. Ritchie, and Andrew J. Shields
Phys. Rev. Research 2, 043292 (2020) - Published 30 November, 2020
The authors propose an early reset of the radiative cascade in atom-like quantum systems to enable the generation of entangled photon pairs at higher emission rates.
S. Hosoi, T. Aoyama, K. Ishida, Y. Mizukami, K. Hashizume, S. Imaizumi, Y. Imai, K. Ohgushi, Y. Nambu, M. Kimata, S. Kimura, and T. Shibauchi
Phys. Rev. Research 2, 043293 (2020) - Published 30 November, 2020
The authors present the gradual orbital switching from leg-directed orbital order to rung-directed orbital order in the iron-based ladder superconductor BaFeS using field-angle resolved magnetoresistance and elastoresistance measurements.
Masato Morita, Jacek Kłos, and Timur V. Tscherbul
Phys. Rev. Research 2, 043294 (2020) - Published 30 November, 2020
The authors present quantum dynamics calculations on strongly anisotropic Li + CaH collisions at ultralow temperatures in the presence of an external magnetic field, and show the role of vibrational degrees of freedom in determining the properties of magnetic Feshbach resonances in ultracold atom-molecule collisions.
A. Trimeche, C. Lopez, D. Comparat, and Y. J. Picard
Phys. Rev. Research 2, 043295 (2020) - Published 30 November, 2020
This work demonstrates ion and electron ghost imaging: two beams of correlated ions and electrons are used to image an object even when the detector placed behind this object has no spatial resolution.
Gabriel Antonius, Yang-Hao Chan, and Steven G. Louie
Phys. Rev. Research 2, 043296 (2020) - Published 1 December, 2020
This paper studies electron-phonon coupling from first-principles using Green’s function methods.
Quentin Fontaine, Pierre-Élie Larré, Giovanni Lerario, Tom Bienaimé, Simon Pigeon, Daniele Faccio, Iacopo Carusotto, Élisabeth Giacobino, Alberto Bramati, and Quentin Glorieux
Phys. Rev. Research 2, 043297 (2020) - Published 1 December, 2020
This work demonstrates the production of counter-propagating phonons due to an interaction quench in paraxial fluid of light.
Colm Talbot and Eric Thrane
Phys. Rev. Research 2, 043298 (2020) - Published 1 December, 2020
The authors propose alternative probability distributions arising in gravitational-wave data analysis and demonstrate how using these distributions affects gravitational-wave analysis.
Marco Leoni, Matteo Paoluzzi, Sarah Eldeen, Anthony Estrada, Lauren Nguyen, Maria Alexandrescu, Karin Sherb, and Wylie W. Ahmed
Phys. Rev. Research 2, 043299 (2020) - Published 1 December, 2020
This work studies the dynamics of inertial active particles under strong confinement and observe that he probability density of position peaks at a finite distance away from the confining wall, and that individual particles exhibit several dynamical states and transitions between them can be controlled by the level of self-propulsion.
Apoorv Tiwari, Ammar Jahin, and Yuxuan Wang
Phys. Rev. Research 2, 043300 (2020) - Published 1 December, 2020
The paper shows that a two dimensional semimetal with four Dirac points subject to parity odd pairing delivers a higher-order superconductor that hosts Majorana corner states.
Moein N. Ivaki, Isac Sahlberg, and Teemu Ojanen
Phys. Rev. Research 2, 043301 (2020) - Published 1 December, 2020
The authors propose a scaling theory of transport of two-dimensional topological insulators in random geometry and study its departure from the theory of topological phase transitions in disordered systems.
Gonzalo Manzano, Rafael Sánchez, Ralph Silva, Géraldine Haack, Jonatan B. Brask, Nicolas Brunner, and Patrick P. Potts
Phys. Rev. Research 2, 043302 (2020) - Published 1 December, 2020
The authors develop a theory characterizing the function and performance of hybrid thermal machines.
Nozomi Akashi, Terufumi Yamaguchi, Sumito Tsunegi, Tomohiro Taniguchi, Mitsuhiro Nishida, Ryo Sakurai, Yasumichi Wakao, and Kohei Nakajima
Phys. Rev. Research 2, 043303 (2020) - Published 1 December, 2020
The authors find two types of input-driven bifurcation in the spin-torque oscillator, and they reveal the information processing capacity as a reservoir computing changes according to these bifurcations.
Cong Jiang, Zong-Wen Yu, Xiao-Long Hu, and Xiang-Bin Wang
Phys. Rev. Research 2, 043304 (2020) - Published 1 December, 2020
The authors show the effect of the sending-or-not-sending twin-field protocol with only a few values of discrete phases for the weak coherent states.
Nicholas O'Dea, Fiona Burnell, Anushya Chandran, and Vedika Khemani
Phys. Rev. Research 2, 043305 (2020) - Published 2 December, 2020
The authors present a framework for creating and understanding scar towers as shadows of broken non-Abelian symmetries and show examples of models hosting scar towers derived from higher-rank and -deformed Lie algebras.
Guilherme S. Costa, Wesley Cota, and Silvio C. Ferreira
Phys. Rev. Research 2, 043306 (2020) - Published 2 December, 2020
The authors explore a metapopulation model for the spread of COVID-19 towards the countryside using a data-driven approach, and predict large diversity of epidemic curves across different geographical scales.
Michael Stewart, Joonhyuk Kwon, Alfonso Lanuza, and Dominik Schneble
Phys. Rev. Research 2, 043307 (2020) - Published 2 December, 2020
The authors study the dynamics of matter-wave quantum emitters coupled to the band structure of a periodic potential, in which bound states involving evanescent matter waves drive a transition from exponential decay to fully reversible oscillations.
Bart Olsthoorn, Johan Hellsvik, and Alexander V. Balatsky
Phys. Rev. Research 2, 043308 (2020) - Published 2 December, 2020
The authors show how persistent homology can function as an order parameter and uncover the phase diagram of classical spin models.
R. C. Budzinski, K. L. Rossi, B. R. R. Boaretto, T. L. Prado, and S. R. Lopes
Phys. Rev. Research 2, 043309 (2020) - Published 2 December, 2020
This paper studies how a spiking neural network responds to changes in its inputs and shows that it is maximally sensitive in some region of the parameter space.
Antonio M. García-García and Salomón Zacarías
Phys. Rev. Research 2, 043310 (2020) - Published 3 December, 2020
The authors show the quantum partition function for Jackiw-Teitelboim gravity in terms of the lengths of periodic orbits of two-dimensional Riemann surfaces of arbitrary genus.
Taiki Matsushita, Satoshi Fujimoto, and Andreas P. Schnyder
Phys. Rev. Research 2, 043311 (2020) - Published 3 December, 2020
The authors elucidate topological piezoelectric effect in nodal line semimetals, and show that ehe piezoelectric coefficient has a quantized value that can be associated with the quantized bulk electric polarization.
Runze Chen, Yu Li, Vasilis F. Pavlidis, and Christoforos Moutafis
Phys. Rev. Research 2, 043312 (2020) - Published 3 December, 2020
This paper proposes a magnetic skyrmion-based interconnect device that encoded sequences of information by skyrmionic quasiparticles with distinct topology in a single device.
Erich Müller, Milena Hugenschmidt, and Dagmar Gerthsen
Phys. Rev. Research 2, 043313 (2020) - Published 4 December, 2020
The authors calculate the propagation of electrons in matter in the context of scanning electron microscopy. They use the solution of the electron-transport equation to determine penetration depth, beam broadening, energy dissipation and angular distribution of the scattered electrons.
Kristian Stølevik Olsen, Luiza Angheluta, and Eirik Grude Flekkøy
Phys. Rev. Research 2, 043314 (2020) - Published 4 December, 2020
The authors study the escape of self-propelled particles inside a disc in the presence of alignment interactions between particles and observe a non-exponential survival probability described by a Poisson process.
Alexander Schuckert and Michael Knap
Phys. Rev. Research 2, 043315 (2020) - Published 4 December, 2020
The authors provide protocols to probe thermalization in quantum simulators by two-time correlation functions, which characterize the off-diagonal part of the eigenstate thermalization hypothesis.
Taiki Haga and Masahito Ueda
Phys. Rev. Research 2, 043316 (2020) - Published 4 December, 2020
The authors demonstrate that a superfluid flowing in a random potential can be identified with a uniform system at thermal equilibrium with an effective temperature due to random elastic scattering of the moving condensate by disorder.
Sean A. Adamson and Petros Wallden
Phys. Rev. Research 2, 043317 (2020) - Published 4 December, 2020
The authors generalize the magic square game of Mermin and Peres to arbitrary rectangular dimensions, characterize the optimal quantum strategies, and apply these games in the context of quantum-certified randomness expansion.
P. B. Blakie, D. Baillie, L. Chomaz, and F. Ferlaino
Phys. Rev. Research 2, 043318 (2020) - Published 4 December, 2020
The authors develop a theory to describe the emergence of a supersolid state in an elongated dipolar Bose gas and predict a phase diagram for the system over a wide parameter regime.
Bobbili Sanyasi Rao, Myung Hoon Cho, Hyung Taek Kim, Jung Hun Shin, Kyung Hwan Oh, Jong Ho Jeon, Byung Ju Yoo, Seong Ha Cho, Jin Woo Yoon, Jae Hee Sung, Seong Ku Lee, and Chang Hee Nam
Phys. Rev. Research 2, 043319 (2020) - Published 4 December, 2020
The authors show the generation of tailored sub-GeV electron beams from laser wakefield acceleration through optically shaped and rotatable plasma cavity.
Toshali Mitra, Sukrut Mondkar, Ayan Mukhopadhyay, Anton Rebhan, and Alexander Soloviev
Phys. Rev. Research 2, 043320 (2020) - Published 4 December, 2020
The authors establish the existence of a hydrodynamic attractor in a new class of hybrid models, whose solutions exhibit the hallmarks of bottom-up thermalization.
Simone Blasi, Vedran Brdar, and Kai Schmitz
Phys. Rev. Research 2, 043321 (2020) - Published 4 December, 2020
This paper studies the gravitational-wave signal emitted by a network of cosmic strings created during the early universe phase transition, and focuses on a particular region in parameter space that would lead to a modified expansion history of the Universe.
Laura García-Álvarez, Cameron Calcluth, Alessandro Ferraro, and Giulia Ferrini
Phys. Rev. Research 2, 043322 (2020) - Published 4 December, 2020
The authors show that certain families of continuous-variable quantum circuits based on bosonic codes can be classically simulated despite displaying large Wigner negativity.
Ninnat Dangniam, Yun-Guang Han, and Huangjun Zhu
Phys. Rev. Research 2, 043323 (2020) - Published 4 December, 2020
The authors derive ultimate limits on the efficiency of verifying quantum stabilizer states with local measurements, and based on the framework and present examples with Pauli measurements.
Cole Lord-May, Jordi Baró, David W. Eaton, and Jörn Davidsen
Phys. Rev. Research 2, 043324 (2020) - Published 7 December, 2020
The authors propose a conceptual model combining stick-slip micromechanics with fluid propagation in diverse poromechanical settings, which highlights the role of criticality, finite-size effects and the loading history together with the heterogeneity of the crust at a given injection site.
Hilary M. Hurst, Shangjie Guo, and I. B. Spielman
Phys. Rev. Research 2, 043325 (2020) - Published 7 December, 2020
The authors develop a protocol for quantum feedback control of multicomponent Bose-Einstein condensates using backaction-limited weak measurements and spatially resolved feedback.
Takaki Yamamoto, Tetsuya Hiraiwa, and Tatsuo Shibata
Phys. Rev. Research 2, 043326 (2020) - Published 7 December, 2020
The authors develop a model of a confluent tissue in which each cell generates chiral torque, and show that those cells migrate unidirectionally under a gradient of the chiral torque strength.
Derek S. Wang, Tomáš Neuman, and Prineha Narang
Phys. Rev. Research 2, 043328 (2020) - Published 7 December, 2020
The authors show that electric dipole-coupled emitters can deterministically emit entangled photon pairs. They estimate electric dipole coupling energies and characterize the generated entanglement.
George Mathew, Saulo L. L. Silva, Anil Jain, Arya Mohan, D. T. Adroja, V. G. Sakai, C. V. Tomy, Alok Banerjee, Rajendar Goreti, Aswathi V. N., Ranjit Singh, and D. Jaiswal-Nagar
Phys. Rev. Research 2, 043329 (2020) - Published 7 December, 2020
This paper reports on the direct detection of multipartite entanglement in a quantum-many body system. The authors observe that quantum Fisher information survives to temperatures above the exchange coupling constant of the system.
Kaito Kanahashi, Yong-Young Noh, Won-Tae Park, Hoichang Yang, Hiromichi Ohta, Hisaaki Tanaka, and Taishi Takenobu
Phys. Rev. Research 2, 043330 (2020) - Published 7 December, 2020
The authors study charge transport and thermoelectric properties of donor-acceptor type conducting polymers under continuous electrochemical doping. Both properties are fully described by a variable-range hopping model due to the uniform transport process enabled by the highly-planar backbone conformation.
Zhiyu Cao, Huijun Jiang, and Zhonghuai Hou
Phys. Rev. Research 2, 043331 (2020) - Published 7 December, 2020
The authors propose design principles for biochemical oscillations with limited energy resources that help finding the optimal system size in terms of sensitivity and accuracy.
Claudio Guarcello, Giovanni Filatrella, Bernardo Spagnolo, Vincenzo Pierro, and Davide Valenti
Phys. Rev. Research 2, 043332 (2020) - Published 7 December, 2020
The authors explore the response of a Josephson junction to unveil the properties of an unknown non-Gaussian noise source, investigating the voltage drop across the device.
K. Sunami, Y. Sakai, R. Takehara, H. Adachi, K. Miyagawa, S. Horiuchi, and K. Kanoda
Phys. Rev. Research 2, 043333 (2020) - Published 7 December, 2020
The authors examine the spin excitations in an ionic spin-chain system withnonmagnetic ferroelectric instability and show a reduction in the spin susceptibility.
Elsen Tjhung and Ludovic Berthier
Phys. Rev. Research 2, 043334 (2020) - Published 7 December, 2020
Nonaffine dynamics of growing dense active matter shows aging behavior, which can be understood by drawing analogies with soft driven passive glasses.
Mostafa Honari-Latifpour and Mohammad-Ali Miri
Phys. Rev. Research 2, 043335 (2020) - Published 8 December, 2020
This article shows how dissipatively coupled laser networks evolve toward minimizing a Lyapunov function that turns out to be asymptotically equivalent with the XY Hamiltonian in the strong pump regime.
Sebastian Huber and Marcus Kollar
Phys. Rev. Research 2, 043336 (2020) - Published 8 December, 2020
In this work the fermion-boson mapping used in the theory of Luttinger liquids is extended to nonzero momentum transfers.
J. P. Pino, P. Alves, J. D. Gouveia, A. M. Marques, and R. G. Dias
Phys. Rev. Research 2, 043337 (2020) - Published 8 December, 2020
The authors address topological radial states in a spider-web geometry with staggered hopping amplitudes. This system exhibits central edge states and has a mixed topological characterization that requires multiple weak topological invariants.
V. Montenegro, M. G. Genoni, A. Bayat, and M. G. A. Paris
Phys. Rev. Research 2, 043338 (2020) - Published 8 December, 2020
The authors provide a method to estimate the temperature of a mechanical oscillator by using light as a probe.
Nina Stiesdal, Hannes Busche, Jan Kumlin, Kevin Kleinbeck, Hans Peter Büchler, and Sebastian Hofferberth
Phys. Rev. Research 2, 043339 (2020) - Published 8 December, 2020
The authors study the emission of single photons from a collective atomic Rydberg excitation and observe variations in its decay rate that result from the collective state’s internal coherent dynamics.
L. Barbiero, L. Chomaz, S. Nascimbene, and N. Goldman
Phys. Rev. Research 2, 043340 (2020) - Published 8 December, 2020
The authors introduce a scheme to realize the Hubbard model using atoms on a single site and activating transitions between atomic internal states
B. Martinez, E. d'Humières, and L. Gremillet
Phys. Rev. Research 2, 043341 (2020) - Published 8 December, 2020
The authors study synchrotron and Bremsstrahlung emissions in foil targets irradiated by ultraintense, ultrashort laser pulses, and determine their prevalence on the basis of the target size.
R. S. Lubna, K. Kravvaris, S. L. Tabor, Vandana Tripathi, E. Rubino, and A. Volya
Phys. Rev. Research 2, 043342 (2020) - Published 8 December, 2020
The authors present a empirical nuclear shell model interaction and use it to interpret the structure of the sd-shell nuclei.
Kazuki Yamamoto, Yuto Ashida, and Norio Kawakami
Phys. Rev. Research 2, 043343 (2020) - Published 8 December, 2020
This work studies how translationally invariant homogeneous couplings between many-particle systems and nonequilibrium baths can be used to rectify particle currents.
P. Anil Kumar, Abhishek Nag, Roland Mathieu, Ranjan Das, Sugata Ray, Per Nordblad, Akmal Hossain, Dona Cherian, Diego Alba Venero, Lisa DeBeer-Schmitt, Olof Karis, and D. D. Sarma
Phys. Rev. Research 2, 043344 (2020) - Published 8 December, 2020
This article presents experimental magnetic data to show the existence of magnetic polarons far above the spin-glass ordering temperature in Sr doped LaCoO. These polarons grow in size as the temperature approaches the ordering temperature.
Tsung-Cheng Lu and Tarun Grover
Phys. Rev. Research 2, 043345 (2020) - Published 9 December, 2020
The authors propose a scheme to characterize quantum entanglement close to a finite temperature critical point using an entanglement measure for mixed states. They show that despite a diverging correlation length at the critical point, the entanglement is only short-ranged.
I. M. Khaymovich, V. E. Kravtsov, B. L. Altshuler, and L. B. Ioffe
Phys. Rev. Research 2, 043346 (2020) - Published 9 December, 2020
This paper studies a model with multifractal wave functions and fractal mini-bands which allows for analytical derivation of its phase diagram
Kimball A. Milton, Hannah Day, Yang Li, Xin Guo, and Gerard Kennedy
Phys. Rev. Research 2, 043347 (2020) - Published 9 December, 2020
This paper studies the classical electromagnetic self-force on a moving dipole, in vacuum and in a medium, the resulting dipole and Vavilov-Čerenkov radiation, as well as the the quantum black-body friction on a polarizable particle moving in vacuum.
Yan Rong Liu, Yong Wu, Jian Guo Wang, Oriol Vendrell, Victor Kimberg, and Song Bin Zhang
Phys. Rev. Research 2, 043348 (2020) - Published 9 December, 2020
The authors show the role of the electron-rotation coupling for the photodissociation dynamics of - transitions, triggered by both resonant and detuned intense pulses.
Tilek Zhumabek and Constantinos Valagiannopoulos
Phys. Rev. Research 2, 043349 (2020) - Published 9 December, 2020
The authors propose a design, based on layered structures, to trap incoming light.
Francesco Graffitti, Vincenzo D'Ambrosio, Massimiliano Proietti, Joseph Ho, Bruno Piccirillo, Corrado de Lisio, Lorenzo Marrucci, and Alessandro Fedrizzi
Phys. Rev. Research 2, 043350 (2020) - Published 9 December, 2020
The authors implement a scheme for generating and characterizing hyperentangled quantum states of spectrally and spatially structured light.
Patrick Müller, Kristian König, Phillip Imgram, Jörg Krämer, and Wilfried Nörtershäuser
Phys. Rev. Research 2, 043351 (2020) - Published 9 December, 2020
The paper show an application of collinear laser spectroscopy by studying the field-shifts of two optical dipole transitions in Ca.
Jaime Iranzo, Federico Pablo-Martí, and Jacobo Aguirre
Phys. Rev. Research 2, 043352 (2020) - Published 9 December, 2020
The authors propose a theoretical framework that explains social hierarchy and economic inequality in a variety of real-world scenarios.
R. O. Barrachina, F. Navarrete, and M. F. Ciappina
Phys. Rev. Research 2, 043353 (2020) - Published 10 December, 2020
This paper studies how classical uncertainties in a mixture of similar states reduce quantum coherence in quantum scattering theory.
Aviv Glezer Moshe, Eli Farber, and Guy Deutscher
Phys. Rev. Research 2, 043354 (2020) - Published 10 December, 2020
The paper shows that, in high resistivity granular aluminum films the transition from the superconducting to the normal state becomes of first order at low temperatures.
Ratul Banerjee, Srijon Ghosh, Shiladitya Mal, and Aditi Sen(De)
Phys. Rev. Research 2, 043355 (2020) - Published 10 December, 2020
The authors propose a measurement-based method to share resource states in pre-decided nodes of a network, and test it in multipartite Bell-type inequalities.
K. Zhang
Phys. Rev. Research 2, 043356 (2020) - Published 10 December, 2020
This work shows how topological objects connect to each other by the method of relative homotopy groups. The Kibble-Lazarides-Shafi string wall is shown to connect with soliton and forms nexus network in Helium-3 superfluid experimentally.
Juba Bouaziz, Julen Ibañez-Azpiroz, Filipe S. M. Guimarães, and Samir Lounis
Phys. Rev. Research 2, 043357 (2020) - Published 10 December, 2020
The authors propose a first principles theory to the magnetic exchange interactions incorporating the zero-point spin fluctuations contribution.
Shinsuke Koyama and Shigeru Shinomoto
Phys. Rev. Research 2, 043358 (2020) - Published 14 December, 2020
The authors develop a method for estimating exogenous and endogenous factors in a given series of event times, and show four regimes categorized according to whether or not exogenous fluctuations and endogenous chain-reaction mechanisms are detectable.
L. Caprini, F. Cecconi, C. Maggi, and U. Marini Bettolo Marconi
Phys. Rev. Research 2, 043359 (2020) - Published 11 December, 2020
This article proposes a mechanism to control the formation of stable obstructions in micro-channels using the non-equilibrium clustering of active matter.
Felix Kern, Martin Linck, Daniel Wolf, Nasim Alem, Himani Arora, Sibylle Gemming, Artur Erbe, Alex Zettl, Bernd Büchner, and Axel Lubk
Phys. Rev. Research 2, 043360 (2020) - Published 11 December, 2020
The authors developed a parameter-free technique to correct for the aberrations of a transmission electron microscope by employing symmetries of electron wave function, reconstructed via electron holography.
Wernfried Mayr-Schmölzer, Jakub Planer, Josef Redinger, Andreas Grüneis, and Florian Mittendorfer
Phys. Rev. Research 2, 043361 (2020) - Published 11 December, 2020
The authors show the shortcomings of density functional theory to produce a coherent description of theground state properties of ZrO polymorphs and show an alternative scheme using high-level many-electron methods.
Shanjun Liang, Tuo Liu, He Gao, Zhongming Gu, Shuowei An, and Jie Zhu
Phys. Rev. Research 2, 043362 (2020) - Published 11 December, 2020
This work proposes a concentrically layered arrangement of helical-structured metamaterials to simplify the design and construction of acoustic metasurfaces for three-dimensional wave-front modulation, in which the gradient helicoids inside the building blocks broaden the operating frequency range due to an enhanced impedance matching
A. Idini
Phys. Rev. Research 2, 043363 (2020) - Published 14 December, 2020
This work uses statistical theory of learning and neural networks to infer the limitations of nuclear mass models and density functionals.
Jirawat Tangpanitanon, Supanut Thanasilp, Ninnat Dangniam, Marc-Antoine Lemonde, and Dimitris G. Angelakis
Phys. Rev. Research 2, 043364 (2020) - Published 14 December, 2020
The authors study how analog quantum devices may use quantum many-body phases in machine learning
Jakub Kocák and Axel Schild
Phys. Rev. Research 2, 043365 (2020) - Published 14 December, 2020
The authors discuss how many-electron effects during strong laser-matter interaction manifest in a one-electron representation.
Charanpreet Singh, Vikram Singh, Gyandeep Pradhan, Velaga Srihari, Himanshu Kumar Poswal, Ramesh Nath, Ashis K. Nandy, and Ajaya K. Nayak
Phys. Rev. Research 2, 043366 (2020) - Published 14 December, 2020
This work demonstrates pressure induced switching of anomalous Hall effect governed by trimerization of Mn moments arranged in a triangular antiferromagnetic configuration.
David Hochberg and Josep M. Ribó
Phys. Rev. Research 2, 043367 (2020) - Published 14 December, 2020
The authors show that chemical affinities evolve in time to minimize the sum of the entropy production and the exchange entropy for chemical reactions taking place in a continuous-flow stirred tank reactor.
S. J. Thomson and M. Schiró
Phys. Rev. Research 2, 043368 (2020) - Published 14 December, 2020
This work characterizes many-body localization in disordered quantum systems with long-range couplings. Using a flow equation approach, the authors construct the local integrals of motion and study the nonequilibrium dynamics following a quantum quench.
Ameya Rao, Helen Yao, and Bradley D. Olsen
Phys. Rev. Research 2, 043369 (2020) - Published 14 December, 2020
The authors use neutron spin-echo spectroscopy and forced Rayleigh scattering to study the interplay between conformational fluctuations and transient binding in associative protein hydrogels.
A. F. Peralta and R. Toral
Phys. Rev. Research 2, 043370 (2020) - Published 14 December, 2020
The authors develop a stochastic formalism for compartmental approaches used to study the dynamics of general binary-state models on networks.
Shantanu Misra, Céline Barreteau, Jean-Claude Crivello, Valentina M. Giordano, John-Paul Castellan, Yvan Sidis, Petr Levinský, Jiří Hejtmánek, Bernard Malaman, Anne Dauscher, Bertrand Lenoir, Christophe Candolfi, and Stéphane Pailhès
Phys. Rev. Research 2, 043371 (2020) - Published 14 December, 2020
The authors explore the origin of the low lattice thermal conductivity in the chalcogenide InTe using lattice dynamics calculations and inelastic neutron scattering experiments on a Bridgman-grown single crystal.
C. Wellenhofer, D. R. Phillips, and A. Schwenk
Phys. Rev. Research 2, 043372 (2020) - Published 14 December, 2020
This work develops a method for extrapolating a perturbation series from weak to strong coupling using low-order constraints from the strong-coupling regime.
Natalie Aryasova and Sergij V. Shiyanovskii
Phys. Rev. Research 2, 043373 (2020) - Published 15 December, 2020
The authors introduce a nemator model of static and dynamic properties of uniaxial nematic liquid crystals based on the variable-length vector, which defines both the director and the order parameter.
Hiroyasu Tajima, Naoto Shiraishi, and Keiji Saito
Phys. Rev. Research 2, 043374 (2020) - Published 15 December, 2020
The authors extend the Wigner-Araki-Yanase theorem and establish a condition for the amount of coherence to implement a general unitary gate under conservation laws.
E. G. Kostadinova, J. L. Padgett, C. D. Liaw, L. S. Matthews, and T. W. Hyde
Phys. Rev. Research 2, 043375 (2020) - Published 15 December, 2020
This work presents a model for studying anomalous diffusion using methods from fractional calculus and spectral theory. The authors show that the combination of random structural disorder and non-local interactions can result in energy transport in semi-crystalline polymers.
Nina Megier, Walter T. Strunz, and Kimmo Luoma
Phys. Rev. Research 2, 043376 (2020) - Published 15 December, 2020
The authors present a condition for the existence of a time-continuous measurement interpretation for the general non-Markovian Gaussian stochastic Schrödinger equation.
Konrad Wenz, Ivan Kozyryev, Rees L. McNally, Leland Aldridge, and Tanya Zelevinsky
Phys. Rev. Research 2, 043377 (2020) - Published 15 December, 2020
The authors propose using polychromatic laser radiation as a mechanism for laser cooling of atoms and molecules with complex level structures.
Anita Devi and Arijit K. De
Phys. Rev. Research 2, 043378 (2020) - Published 16 December, 2020
The paper shows how laser trapping efficiencies of dielectric nanoparticles with varying refractive indices are strongly modulated under femtosecond pulsed excitation owing to optical Kerr effect.
Andrea Nava, Alessandro Papa, Marco Rossi, and Domenico Giuliano
Phys. Rev. Research 2, 043379 (2020) - Published 16 December, 2020
The authors formulate a generalized SEIR model on a graph, describing infection spread in an open crowded place with an arbitrary topology.
Carolin Gold, Annika Kurzmann, Kenji Watanabe, Takashi Taniguchi, Klaus Ensslin, and Thomas Ihn
Phys. Rev. Research 2, 043380 (2020) - Published 16 December, 2020
This work studies the potential landscape in a 50nm-wide, gate-defined channel in encapsulated bilayer graphene on a local scale. The authors image the formation of localized states and study their position as well as their dependence on the displacement-field induced band-gap.
Tulio Rodrigues and Otaviano Helene
Phys. Rev. Research 2, 043381 (2020) - Published 16 December, 2020
This work uses Gompertz functions to describe the evolution of COVID-19 infections and a Monte Carlo algorithm to achieve the model best-fit parameters.
Jean-François Louf, Felix Kratz, and Sujit S. Datta
Phys. Rev. Research 2, 043382 (2020) - Published 16 December, 2020
The authors develop a computational model of the lungs as a hierarchical, branched network of connected liquid-lined flexible cylinders. Using this model, they demonstrate how changes in biomechanical parameters alter inhaled lung capacity and breathing duration.
Alexandre Gourmelon, Hiroshi Kamata, Jean-Marc Berroir, Gwendal Fève, Bernard Plaçais, and Erwann Bocquillon
Phys. Rev. Research 2, 043383 (2020) - Published 17 December, 2020
The authors propose micron-scale microwave resonators to characterize interactions between edge states of a quantum spin Hall insulator, inspired by stepped-impedance resonators commonly-used in acoustics or microwaves.
K. Yu. Povarov, L. Facheris, S. Velja, D. Blosser, Z. Yan, S. Gvasaliya, and A. Zheludev
Phys. Rev. Research 2, 043384 (2020) - Published 17 December, 2020
The authors report a frustration scenario in a quasi two-dimensional quantum antiferromagnetic materials. The competition of frustration mechanisms related to both the exchange geometry and the ionic anisotropies results in a phase diagram with several magnetization plateaux.
Kay Jörg Wiese, Mathilde Bercy, Lena Melkonyan, and Thierry Bizebard
Phys. Rev. Research 2, 043385 (2020) - Published 17 December, 2020
The authors compare theoretical predictions for the depinning transition to experimental results for peeling of a RNA-DNA helix and use it as a test of the functional renormalization group for disordered systems.
A. O. Leonov, C. Pappas, and I. Kézsmárki
Phys. Rev. Research 2, 043386 (2020) - Published 17 December, 2020
The authors discuss several features of spiral states in bulk chiral magnets such as MnSi and Cu2OSeO3 that stem from the effect of the cubic magneto-crystalline anisotropy and could be imprinted on the functionalities of isolated chiral skyrmions.
R. Y. Teh, P. D. Drummond, and M. D. Reid
Phys. Rev. Research 2, 043387 (2020) - Published 17 December, 2020
This work shows how squeezed states combat decoherence and enhance the quality of Schrodinger cat states in a cavity.
Tony Savander, Shun Tamura, Christian Flindt, Yukio Tanaka, and Pablo Burset
Phys. Rev. Research 2, 043388 (2020) - Published 18 December, 2020
The authors show that a thermoelectric current in ferromagnet-superconductor junctions flows due to Andreev processes and is sensitive to surface states arising in unconventional superconductors, changing sign in their presence.
Walter Tarantino and Luciano Colombo
Phys. Rev. Research 2, 043389 (2020) - Published 18 December, 2020
The authors describe the resistive switching of cluster-assembled metallic films using an effective medium approximation and calculate the resistance in a stochastic framework.
Camille Aron and Manas Kulkarni
Phys. Rev. Research 2, 043390 (2020) - Published 18 December, 2020
The authors use a nonequilibrium version of the Ising model to show how nonanalytic terms, of intrinsic nonequilibrium nature, can deform the equilibrium theory.
Brian Chang, Ram Sudhir Sharma, Trinh Huynh, and Arshad Kudrolli
Phys. Rev. Research 2, 043391 (2020) - Published 18 December, 2020
The authors show a hundred-fold reduction in liquid dispersed when a standard nose and mouth mask is worn, and a complete cancellation by N95 masks.
Owen Moulding, Israel Osmond, Felix Flicker, Takaki Muramatsu, and Sven Friedemann
Phys. Rev. Research 2, 043392 (2020) - Published 18 December, 2020
This study shows that superconductivity in NbSe is suppressed by the charge-density-wave order and finds evidence for a first-order transition of the charge density wave at high pressures.
Taro Nakajima, Tatsuro Oda, Masahiro Hino, Hitoshi Endo, Kazuki Ohishi, Kazuhisa Kakurai, Akiko Kikkawa, Yasujiro Taguchi, Yoshinori Tokura, and Taka-hisa Arima
Phys. Rev. Research 2, 043393 (2020) - Published 18 December, 2020
The authors study crystallization process of magnetic skyrmions in a chiral magnet MnSi by means of a resonance-type neutron spin echo spectroscopy in a magnetic field, and find that the skyrmions aggregate into small static triangular-lattice domains near the critical temperature.
M. Asa, C. Autieri, R. Pazzocco, C. Rinaldi, W. Brzezicki, A. Stroppa, M. Cuoco, G. Varvaro, S. Picozzi, and M. Cantoni
Phys. Rev. Research 2, 043394 (2020) - Published 21 December, 2020
The authors show that interfacial magnetic moments can be induced when a Pt layer is interfaced with an antiferromagnetic Cr film. The resulting modification allows the detection of an anomalous Hall signal dependent on the state of the antiferromagnet.
Nilanjan Roy, Ajith Ramachandran, and Auditya Sharma
Phys. Rev. Research 2, 043395 (2020) - Published 21 December, 2020
The authors study the effect of disorder and interactions on a quasi one-dimensional diamond chain possessing flat bands, uncovering the presence of ergodic and nonergodic phases.
Giovanni A. Frigeri and Bernd Rosenow
Phys. Rev. Research 2, 043396 (2020) - Published 21 December, 2020
The authors discuss an electron-pairing mechanism in quantum Hall interferometers that enhances the Fano factor twofold for strong repulsive interactions.
N. Nilforoushan, M. Casula, M. Caputo, E. Papalazarou, J. Caillaux, Z. Chen, L. Perfetti, A. Amaricci, D. Santos-Cottin, Y. Klein, A. Gauzzi, and M. Marsi
Phys. Rev. Research 2, 043397 (2020) - Published 21 December, 2020
This work shows how ultrafast light pulses can induce a transient reduction of the Fermi velocity of Dirac fermions using a scaling relation between inverse screening length and electronic temperature.
Sean Molesky, Pengning Chao, and Alejandro W. Rodriguez
Phys. Rev. Research 2, 043398 (2020) - Published 21 December, 2020
This paper uses localized spatial clusters constraints to show how the definition of the operator can be used to generate hierarchies of increasingly accurate fundamental limits on wave scattering phenomena.
Zehan Li, Sayan Choudhury, and W. Vincent Liu
Phys. Rev. Research 2, 043399 (2020) - Published 21 December, 2020
This work examines the out-of-equilibrium dynamics of a nonintegrable spin chain with competing short and long range interactions and shows that this model can exhibit fast scrambling, even though it is not known to be dual to a black hole.
Soumyadeep Paul, Wei-Lun Hsu, Mirco Magnini, Lachlan R. Mason, Ya-Lun Ho, Omar K. Matar, and Hirofumi Daiguji
Phys. Rev. Research 2, 043400 (2020) - Published 21 December, 2020
The authors study Joule-heating-induced bubble nucleation by analyzing ionic current blockages in a cylindrical nanopore and demonstrate that the periodic homogeneous nucleation transitions into a non-periodic mixture of homo- and heterogeneous nucleation as the pore diameter is increased.
Frederico Sousa, Gen Tatara, and Aires Ferreira
Phys. Rev. Research 2, 043401 (2020) - Published 22 December, 2020
The authors investigate the role of scattering-dependent mechanisms in the generation of magnetic torques at two-dimensional material/ferromagnet bilayers.
Jordan Snyder, Anatoly Zlotnik, and Andrey Y. Lokhov
Phys. Rev. Research 2, 043402 (2020) - Published 22 December, 2020
This paper introduces a data-driven method for constructing reduced-order closure models for complex dynamical systems. The authors illustrate their approach by inferring precise coarse-grained network models of coupled oscillators.
Ana Flack, Bruno Bertini, and Tomaž Prosen
Phys. Rev. Research 2, 043403 (2020) - Published 22 December, 2020
The authors study the moments of the spectral form factor for the self-dual kicked Ising model and identify the corresponding ensembles of random matrices reproducing the results.
Sascha Wald, Raúl Arias, and Vincenzo Alba
Phys. Rev. Research 2, 043404 (2020) - Published 22 December, 2020
The authors study the entanglement spectrum of the two-dimensional quantum spherical model in the vicinity of a quantum phase transition, and characterize the associated closing of the entanglement gap.
A. S. Sukhanov, S. E. Nikitin, M. S. Pavlovskii, T. C. Sterling, N. D. Andryushin, A. S. Cameron, Y. V. Tymoshenko, H. C. Walker, I. V. Morozov, I. O. Chernyavskii, S. Aswartham, D. Reznik, and D. S. Inosov
Phys. Rev. Research 2, 043405 (2020) - Published 22 December, 2020
The authors use neutron spectroscopy and first-principle calculations to map out the phonon dispersions of FeP over the entire Brillouin zone.
Hua-Hua Fu, Dan-Dan Wu, Gui-Fang Du, Qing-Bo Liu, and Menghao Wu
Phys. Rev. Research 2, 043406 (2020) - Published 22 December, 2020
The authors propose a mechanism to read single-molecule ferroelectric states using their interplay with electrons’ spin in the presence of temperature gradient.
Danqing Hu, Ning-Hua Tong, and Yi-feng Yang
Phys. Rev. Research 2, 043407 (2020) - Published 22 December, 2020
The authors propose a correspondence of the characteristic energy scales in the Hubbard model and the periodic Anderson model, reflecting an intrinsic two-stage process of their quasiparticle dynamics to build up the lattice coherence for correlated electrons.
M. Nuske, L. Broers, B. Schulte, G. Jotzu, S. A. Sato, A. Cavalleri, A. Rubio, J. W. McIver, and L. Mathey
Phys. Rev. Research 2, 043408 (2020) - Published 22 December, 2020
This work discusses the transport properties of light-induced electronic Floquet states in solids. The authors provide an interpretation of the Hall conductivity in periodically driven graphene as a geometric-dissipative effect.
Rasoul Alaee, Akbar Safari, Vahid Sandoghdar, and Robert W. Boyd
Phys. Rev. Research 2, 043409 (2020) - Published 22 December, 2020
The authors show that by arranging atoms or scatterers in subwavelength geometries, it is possible to control the scattering of the impinging photons.
Sang-Hoon Lee and Young-Woo Son
Phys. Rev. Research 2, 043410 (2020) - Published 23 December, 2020
The authors develop a first-principles computational method using pseudohybrid type functionals for the on- and inter-site Hubbard interactions and compare it to GW methods.
Frederik Nathan, Gil Refael, Mark S. Rudner, and Ivar Martin
Phys. Rev. Research 2, 043411 (2020) - Published 23 December, 2020
The authors show that the external driving of a qubit-cavity system can cause its oscillations to lock to a rational multiple of the driving frequency and to the formation of multiplets of quasienergy levels.
F. Venn and B. Béri
Phys. Rev. Research 2, 043412 (2020) - Published 23 December, 2020
This work shows how to obtain Majorana fermion representations of planar-graph surface codes, how to use these representations to simulate coherent errors, and explores the relations between graph structure and error-correcting performance.
Jashan Singhal and Debdeep Jena
Phys. Rev. Research 2, 043413 (2020) - Published 23 December, 2020
The authors propose a method to calculate the quantum statistical and ballistic transport properties of fermions and bosons in generalized dimensions and for anisotropic dispersions.
Christie S. Chiu, Da-Shuai Ma, Zhi-Da Song, B. Andrei Bernevig, and Andrew A. Houck
Phys. Rev. Research 2, 043414 (2020) - Published 23 December, 2020
The authors present a theoretical formalism to determine the band topology of flat bands in line-graph lattices, identifying families of lattices with fragile-topological flat bands.
Masazumi Fujiwara, Alexander Dohms, Ken Suto, Yushi Nishimura, Keisuke Oshimi, Yoshio Teki, Kai Cai, Oliver Benson, and Yutaka Shikano
Phys. Rev. Research 2, 043415 (2020) - Published 24 December, 2020
The authors show the onset of artifact sources in nanoscale temperature measurement using diamond nitrogen vacancy centers, and propose a method to minimize them.
Sandeep Joy, Saad Khalid, and Brian Skinner
Phys. Rev. Research 2, 043416 (2020) - Published 24 December, 2020
The authors investigate the effect of spatial fluctuations of the twist angle in twisted bilayer graphene, using a quasi-one-dimensional model of the disorder. The corresponding electron conductance can be understood by analogy with the physics of transparent mirrors with a modification due to Klein tunneling.
Arghya Majee, Markus Bier, Ralf Blossey, and Rudolf Podgornik
Phys. Rev. Research 2, 043417 (2020) - Published 24 December, 2020
The authors show that charge regulation in a macroion system can induce equilibrium phase separation via a charge-symmetry breaking mechanism.
Yizun He, Lingjing Ji, Yuzhuo Wang, Liyang Qiu, Jian Zhao, Yudi Ma, Xing Huang, Saijun Wu, and Darrick E. Chang
Phys. Rev. Research 2, 043418 (2020) - Published 24 December, 2020
This work shows a method to shift optical spin waves in space by applying spin-dependent geometric forces to laser-cooled atoms.
Taysa M. Mendonça, Alexandre M. Souza, Rogério J. de Assis, Norton G. de Almeida, Roberto S. Sarthour, Ivan S. Oliveira, and Celso J. Villas-Boas
Phys. Rev. Research 2, 043419 (2020) - Published 24 December, 2020
The authors build artificial thermal baths at arbitrary temperatures for a single spin system and apply them to devise a cyclic quantum engine that operates under a single reservoir at negative effective temperature.
Parveen Kumar, Alessandro Romito, and Kyrylo Snizhko
Phys. Rev. Research 2, 043420 (2020) - Published 24 December, 2020
The authors study the quantum Zeno effect induced by continuous partial measurement in the presence of short-correlated noise in the system Hamiltonian.
Igor Brandão, Bruno Suassuna, Bruno Melo, and Thiago Guerreiro
Phys. Rev. Research 2, 043421 (2020) - Published 28 December, 2020
The authors explore the entanglement dynamics, nonclassicality, and non-Markovianity of a system comprising two optical modes interacting dispersively with a mechanical oscillator.
Benjamin W. Frazier, Thomas M. Antonsen, Jr., Steven M. Anlage, and Edward Ott
Phys. Rev. Research 2, 043422 (2020) - Published 29 December, 2020
The authors show that a binary tunable metasurface enables fine control over the scattering parameters of a complex electromagnetic cavity.
Joschka Roffe, David R. White, Simon Burton, and Earl Campbell
Phys. Rev. Research 2, 043423 (2020) - Published 28 December, 2020
This paper presents a family of quantum error correction codes and explores the use of belief propagation for their decoding.
Xu-Ping Yao, Xiao-Tian Zhang, Yong Baek Kim, Xiaoqun Wang, and Gang Chen
Phys. Rev. Research 2, 043424 (2020) - Published 28 December, 2020
This work investigates an extended Hubbard model on a breathing Kagomé lattice and proposes two types of cluster localization due to the electron repulsion between neighboring sites and partial filling in Mott insulators.
Pranay Patil, Fabien Alet, Sylvain Capponi, and Kedar Damle
Phys. Rev. Research 2, 043425 (2020) - Published 28 December, 2020
The authors study the free spin behavior created by neighboring non-magnetic impurities on the Kagome lattice to quantum fluctuations, along with the remnants of this behavior at zero temperature, and show experimental signatures for this phenomenon.
Md Nurul Huda, Shawulienu Kezilebieke, and Peter Liljeroth
Phys. Rev. Research 2, 043426 (2020) - Published 28 December, 2020
This work shows the formation of electronic flat bands in atomically precise chains formed by atomic manipulation using scanning tunneling microscopy.
Yongping Du, Ning Xu, Xianqing Lin, and Antti-Pekka Jauho
Phys. Rev. Research 2, 043427 (2020) - Published 28 December, 2020
The authors present simulations of magneto-transport for Graphene-hBN heterostructures using an effective lattice model and compare it with experimental results.
Y. Mizukami, M. Kończykowski, O. Tanaka, J. Juraszek, Z. Henkie, T. Cichorek, and T. Shibauchi
Phys. Rev. Research 2, 043428 (2020) - Published 28 December, 2020
The authors investigate the impact of atomic defects on cage structure in filled skutterudite LaRuAs through high-resolution heat capacity measurements, and show the suppression of the anharmonic phonons and -wave superconductivity with increasing atomic defects.
Einar Digernes, Jonathan Leliaert, Markus Weigand, Erik Folven, and Bartel Van Waeyenberge
Phys. Rev. Research 2, 043429 (2020) - Published 28 December, 2020
This work explores the magnetization dynamics in an epitaxial nanomagnet. The authors link the observed vortex core switching dynamics to the critical velocity switching model using micromagnetic modeling.
T. C. Bartolo, J. S. Smith, B. Muralidharan, C. Müller, T. M. Stace, and J. H. Cole
Phys. Rev. Research 2, 043430 (2020) - Published 28 December, 2020
This paper uses nonequilibrium Green’s functions to study the interaction between two topologically non-trivial Majorana zero modes arranged in a ring geometry and with a magnetic field applied perpendicular to the ring.
Swati Chaudhary, Arbel Haim, Yang Peng, and Gil Refael
Phys. Rev. Research 2, 043431 (2020) - Published 29 December, 2020
This work shows how the symmetry promotion action of a phonon drive can be used to realize Floquet topological phases protected by space-time symmetry.
Fumito Mori and Takashi Okada
Phys. Rev. Research 2, 043432 (2020) - Published 29 December, 2020
The authors develop a diagrammatic expansion to compute transfer entropy in stochastic Boolean networks analytically.
Andreas Haller, Apollonas S. Matsoukas-Roubeas, Yueting Pan, Matteo Rizzi, and Michele Burrello
Phys. Rev. Research 2, 043433 (2020) - Published 29 December, 2020
This paper explores interacting ultracold bosonic atoms in a ladder geometry, focusing on systems with the same number of particles and magnetic flux quanta.
Ju Chen, Wenwen Cui, Kun Gao, Jian Hao, Jingming Shi, and Yinwei Li
Phys. Rev. Research 2, 043435 (2020) - Published 29 December, 2020
The authors present theoretical predictions of the phase diagram of yttrium-sulfur, and identify a sulfur-rich compound which exhibits superconductivity at lower pressures.
Marco Baldovin, Fabio Cecconi, and Angelo Vulpiani
Phys. Rev. Research 2, 043436 (2020) - Published 29 December, 2020
The authors study the relation between causation and correlations in the context of linear response theory and discuss a method to determine causal links from correlations, under suitable linearity assumptions.
Eyal Leviatan and David F. Mross
Phys. Rev. Research 2, 043437 (2020) - Published 29 December, 2020
The authors use non-local transformations to describe spin-chain arrays in terms of partons and emergent gauge fields and use the scheme to produce parent Hamiltonians for gapped phases, including chiral and non-chiral spin liquids.
Mario Flory and Michal P. Heller
Phys. Rev. Research 2, 043438 (2020) - Published 30 December, 2020
The paper addresses the problem of hardness of state preparation in quantum systems looking the same at all scales, and connects it with mathematical language and phenomena known from the nonlinear physics of waves.
Yang Zhou and Peng Zhang
Phys. Rev. Research 2, 043439 (2020) - Published 30 December, 2020
This paper presents quantum theory for field emission from dielectric-coated cathode surfaces, and find that a dielectric coating may increase the field emission current.
Premala Chandra, Piers Coleman, Mucio A. Continentino, and Gilbert G. Lonzarich
Phys. Rev. Research 2, 043440 (2020) - Published 31 December, 2020
The authors provide a framework to explain the onset of quantum criticality in materials with first-order classical phase transition as temperature is reduced.
Nicolas Giovambattista and Gustavo E. Lopez
Phys. Rev. Research 2, 043441 (2020) - Published 31 December, 2020
The authors extend the potential energy landscape formalism to the case of quantum liquids and how they approach their glass state.
Katsuhiro Endo, Taichi Nakamura, Keisuke Fujii, and Naoki Yamamoto
Phys. Rev. Research 2, 043442 (2020) - Published 31 December, 2020
The authors propose a self-learning Monte Carlo method based on quantum computing and show a proof-of-concept demonstration using the quantum Fourier transform sampler.
Sourav Manna, N. S. Srivatsa, Julia Wildeboer, and Anne E. B. Nielsen
Phys. Rev. Research 2, 043443 (2020) - Published 31 December, 2020
The authors show that quasiparticles can be used to detect topological quantum phase transitions.
Julian C. Berengut, Cédric Delaunay, Amy Geddes, and Yotam Soreq
Phys. Rev. Research 2, 043444 (2020) - Published 31 December, 2020
This paper shows how systematic effects due to higher-order nuclear structure terms may be overcome using a data-driven method.
M. Altarelli
Phys. Rev. Research 2, 048001 (2020) - Published 19 October, 2020
Raffaele Resta
Phys. Rev. Research 2, 048002 (2020) - Published 19 October, 2020
Marco Baiesi, Carlo Burigana, Livia Conti, Gianmaria Falasco, Christian Maes, Lamberto Rondoni, and Tiziana Trombetti
Phys. Rev. Research 2, 049001 (2020) - Published 11 December, 2020
Premakumar Yanda, I. V. Golosovsky, I. Mirebeau, N. V. Ter-Oganessian, Juan Rodríguez-Carvajal, and A. Sundaresan
Phys. Rev. Research 2, 049002 (2020) - Published 24 December, 2020