Volume 126, Issue 19

14 May 2021

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On the Cover

Single-shot images of a cloud of ¹⁶²Dy atoms at 20 nK for four different relative scattering lengths (upper row), and mean images (central and lower rows) used in the analysis of the experiment. Selected for an Editors’ Suggestion.

From the article:

Roton Excitations in an Oblate Dipolar Quantum Gas
J.-N. Schmidt, J. Hertkorn, M. Guo, F. Böttcher, M. Schmidt, K. S. H. Ng, S. D. Graham, T. Langen, M. Zwierlein, and T. Pfau
Phys. Rev. Lett. 126, 193002 (2021)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

X-Ray Ptychography with a Laboratory Source

Darren J. Batey, Frederic Van Assche, Sander Vanheule, Matthieu N. Boone, Andrew J. Parnell, Oleksandr O. Mykhaylyk, Christoph Rau, and Silvia Cipiccia

Phys. Rev. Lett. 126, 193902 (2021) - Published 12 May, 2021

Researchers have scaled down x-ray ptychography—a high-resolution imaging technique that used to require large, expensive facilities—for use in the lab.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Distinguishing a Mott Insulator from a Trivial Insulator with Atomic Adsorbates

Jinwon Lee, Kyung-Hwan Jin, and Han Woong Yeom

Phys. Rev. Lett. 126, 196405 (2021) - Published 13 May, 2021

A new experimental method based on adsorption can indicate whether a material is a Mott insulator or a common insulator.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Nuclear Spin Gyroscope based on the Nitrogen Vacancy Center in Diamond

Vladimir V. Soshenko, Stepan V. Bolshedvorskii, Olga Rubinas, Vadim N. Sorokin, Andrey N. Smolyaninov, Vadim V. Vorobyov, and Alexey V. Akimov

Phys. Rev. Lett. 126, 197702 (2021) - Published 14 May, 2021

A small device performs rotational measurements using nuclear spins in a diamond wafer, paving the way for microchip-sized gyroscopes.

EDITORS' SUGGESTION

Information-Theoretic Bounds on Quantum Advantage in Machine Learning

Hsin-Yuan Huang, Richard Kueng, and John Preskill

Phys. Rev. Lett. 126, 190505 (2021) - Published 14 May, 2021

On average, classical and quantum machine learning techniques are comparable, but for accurate predictions on $a l l$ inputs, there can be exponential quantum advantage.

EDITORS' SUGGESTION

Roton Excitations in an Oblate Dipolar Quantum Gas

J.-N. Schmidt, J. Hertkorn, M. Guo, F. Böttcher, M. Schmidt, K. S. H. Ng, S. D. Graham, T. Langen, M. Zwierlein, and T. Pfau

Phys. Rev. Lett. 126, 193002 (2021) - Published 12 May, 2021

Radial and angular roton excitations are observed in an oblate dipolar Bose-Einstein condensate around the phase transition to a 2D droplet crystal.

EDITORS' SUGGESTION

Self-Organized Multifrequency Clusters in an Oscillating Electrochemical System with Strong Nonlinear Coupling

Maximilian Patzauer and Katharina Krischer

Phys. Rev. Lett. 126, 194101 (2021) - Published 10 May, 2021

Self-organized multifrequency clusters in n-doped silicon wafers emerge from a uniform oscillatory state during electrodissolution at low-intensity photoexcitation.

EDITORS' SUGGESTION

Geometric Photon-Drag Effect and Nonlinear Shift Current in Centrosymmetric Crystals

Li-kun Shi, Dong Zhang, Kai Chang, and Justin C. W. Song

Phys. Rev. Lett. 126, 197402 (2021) - Published 10 May, 2021

The nonlinear shift current (associated with the bulk photovoltaic effect) in centrosymmetric crystals, known to be absent in crystals with inversion symmetry, could still be activated by a photon-drag effect.

LETTERS

General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.

Testing Higher-Order Quantum Interference with Many-Particle States

Marc-Oliver Pleinert, Alfredo Rueda, Eric Lutz, and Joachim von Zanthier

Phys. Rev. Lett. 126, 190401 (2021) - Published 10 May, 2021

Full Spectrum of the Liouvillian of Open Dissipative Quantum Systems in the Zeno Limit

Vladislav Popkov and Carlo Presilla

Phys. Rev. Lett. 126, 190402 (2021) - Published 11 May, 2021

Barren Plateaus Preclude Learning Scramblers

Zoë Holmes, Andrew Arrasmith, Bin Yan, Patrick J. Coles, Andreas Albrecht, and Andrew T. Sornborger

Phys. Rev. Lett. 126, 190501 (2021) - Published 12 May, 2021

Measurement-Device-Independent Entanglement Detection for Continuous-Variable Systems

Paolo Abiuso, Stefan Bäuml, Daniel Cavalcanti, and Antonio Acín

Phys. Rev. Lett. 126, 190502 (2021) - Published 12 May, 2021

Experimentally Accessible Bounds on Distillable Entanglement from Entropic Uncertainty Relations

Bjarne Bergh and Martin Gärttner

Phys. Rev. Lett. 126, 190503 (2021) - Published 12 May, 2021

Energy-Constrained Discrimination of Unitaries, Quantum Speed Limits, and a Gaussian Solovay-Kitaev Theorem

Simon Becker, Nilanjana Datta, Ludovico Lami, and Cambyse Rouzé

Phys. Rev. Lett. 126, 190504 (2021) - Published 13 May, 2021

EDITORS' SUGGESTION

Information-Theoretic Bounds on Quantum Advantage in Machine Learning

Hsin-Yuan Huang, Richard Kueng, and John Preskill

Phys. Rev. Lett. 126, 190505 (2021) - Published 14 May, 2021

On average, classical and quantum machine learning techniques are comparable, but for accurate predictions on $a l l$ inputs, there can be exponential quantum advantage.

Chaos and Ergodicity in Extended Quantum Systems with Noisy Driving

Pavel Kos, Bruno Bertini, and Tomaž Prosen

Phys. Rev. Lett. 126, 190601 (2021) - Published 10 May, 2021

Gravitation and Astrophysics

Active Galactic Nuclei Jets as the Origin of Ultrahigh-Energy Cosmic Rays and Perspectives for the Detection of Astrophysical Source Neutrinos at EeV Energies

Xavier Rodrigues, Jonas Heinze, Andrea Palladino, Arjen van Vliet, and Walter Winter

Phys. Rev. Lett. 126, 191101 (2021) - Published 10 May, 2021

Searching for Axionlike Particles under Strong Gravitational Lenses

Aritra Basu, Jishnu Goswami, Dominik J. Schwarz, and Yuko Urakawa

Phys. Rev. Lett. 126, 191102 (2021) - Published 11 May, 2021

Elementary Particles and Fields

Becchi-Rouet-Stora-Tyutin-Lagrangian Double Copy of Yang-Mills Theory

Leron Borsten, Branislav Jurčo, Hyungrok Kim, Tommaso Macrelli, Christian Saemann, and Martin Wolf

Phys. Rev. Lett. 126, 191601 (2021) - Published 12 May, 2021

Highly Enhanced Contributions of Heavy Higgs Bosons and New Leptons to Muon $g - 2$ and Prospects at Future Colliders

Radovan Dermisek, Keith Hermanek, and Navin McGinnis

Phys. Rev. Lett. 126, 191801 (2021) - Published 10 May, 2021

First Results from an Axion Haloscope at CAPP around $10.7 μ eV$

Ohjoon Kwon, Doyu Lee, Woohyun Chung, Danho Ahn, HeeSu Byun, Fritz Caspers, Hyoungsoon Choi, Jihoon Choi, Yonuk Chong, Hoyong Jeong, Junu Jeong, Jihn E. Kim, Jinsu Kim, Çağlar Kutlu, Jihnhwan Lee, MyeongJae Lee, Soohyung Lee, Andrei Matlashov, Seonjeong Oh, Seongtae Park, Sergey Uchaikin, SungWoo Youn, and Yannis K. Semertzidis

Phys. Rev. Lett. 126, 191802 (2021) - Published 12 May, 2021

Evolution of Primordial Neutrino Helicities in Astrophysical Magnetic Fields and Implications for Their Detection

Gordon Baym and Jen-Chieh Peng

Phys. Rev. Lett. 126, 191803 (2021) - Published 12 May, 2021

Nearly Conformal Composite Higgs Model

Thomas Appelquist, James Ingoldby, and Maurizio Piai

Phys. Rev. Lett. 126, 191804 (2021) - Published 14 May, 2021

Where Is the Lightest Charmed Scalar Meson?

Meng-Lin Du, Feng-Kun Guo, Christoph Hanhart, Bastian Kubis, and Ulf-G. Meißner

Phys. Rev. Lett. 126, 192001 (2021) - Published 13 May, 2021

Nuclear Physics

Discovering Partonic Rescattering in Light Nucleus Collisions

Alexander Huss, Aleksi Kurkela, Aleksas Mazeliauskas, Risto Paatelainen, Wilke van der Schee, and Urs Achim Wiedemann

Phys. Rev. Lett. 126, 192301 (2021) - Published 11 May, 2021

Low-Energy Nuclear Excitations along the $α$ -Decay Chains of Superheavy ${}^{292}{Lv}$ and ${}^{294}{Og}$

J. Luis Egido and Andrea Jungclaus

Phys. Rev. Lett. 126, 192501 (2021) - Published 10 May, 2021

Atomic, Molecular, and Optical Physics

Localization on a Synthetic Hall Cylinder

Ren Zhang, Yangqian Yan, and Qi Zhou

Phys. Rev. Lett. 126, 193001 (2021) - Published 10 May, 2021

EDITORS' SUGGESTION

Roton Excitations in an Oblate Dipolar Quantum Gas

J.-N. Schmidt, J. Hertkorn, M. Guo, F. Böttcher, M. Schmidt, K. S. H. Ng, S. D. Graham, T. Langen, M. Zwierlein, and T. Pfau

Phys. Rev. Lett. 126, 193002 (2021) - Published 12 May, 2021

Radial and angular roton excitations are observed in an oblate dipolar Bose-Einstein condensate around the phase transition to a 2D droplet crystal.

Exotic Vortex States with Discrete Rotational Symmetry in Atomic Fermi Gases with Spin-Orbital–Angular-Momentum Coupling

Liang-Liang Wang, An-Chun Ji, Qing Sun, and Jian Li

Phys. Rev. Lett. 126, 193401 (2021) - Published 12 May, 2021

Near-Field Radiative Heat Transfer Eigenmodes

Stephen Sanders, Lauren Zundel, Wilton J. M. Kort-Kamp, Diego A. R. Dalvit, and Alejandro Manjavacas

Phys. Rev. Lett. 126, 193601 (2021) - Published 12 May, 2021

Ground-State Cooling of Levitated Magnets in Low-Frequency Traps

Kirill Streltsov, Julen S. Pedernales, and Martin B. Plenio

Phys. Rev. Lett. 126, 193602 (2021) - Published 12 May, 2021

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Photonic Modal Circulator Using Temporal Refractive-Index Modulation with Spatial Inversion Symmetry

Jiahui Wang, Jason F. Herrmann, Jeremy D. Witmer, Amir H. Safavi-Naeini, and Shanhui Fan

Phys. Rev. Lett. 126, 193901 (2021) - Published 12 May, 2021

FEATURED IN PHYSICS

EDITORS' SUGGESTION

X-Ray Ptychography with a Laboratory Source

Darren J. Batey, Frederic Van Assche, Sander Vanheule, Matthieu N. Boone, Andrew J. Parnell, Oleksandr O. Mykhaylyk, Christoph Rau, and Silvia Cipiccia

Phys. Rev. Lett. 126, 193902 (2021) - Published 12 May, 2021

Researchers have scaled down x-ray ptychography—a high-resolution imaging technique that used to require large, expensive facilities—for use in the lab.

Coherent Wave Control in Complex Media with Arbitrary Wavefronts

Philipp del Hougne, K. Brahima Yeo, Philippe Besnier, and Matthieu Davy

Phys. Rev. Lett. 126, 193903 (2021) - Published 12 May, 2021

EDITORS' SUGGESTION

Self-Organized Multifrequency Clusters in an Oscillating Electrochemical System with Strong Nonlinear Coupling

Maximilian Patzauer and Katharina Krischer

Phys. Rev. Lett. 126, 194101 (2021) - Published 10 May, 2021

Self-organized multifrequency clusters in n-doped silicon wafers emerge from a uniform oscillatory state during electrodissolution at low-intensity photoexcitation.

Nonreciprocal Coupling Induced Self-Assembled Localized Structures

D. Pinto-Ramos, K. Alfaro-Bittner, M. G. Clerc, and R. G. Rojas

Phys. Rev. Lett. 126, 194102 (2021) - Published 12 May, 2021

Universal Return to Isotropy of Inhomogeneous Atmospheric Boundary Layer Turbulence

Ivana Stiperski, Gabriel G. Katul, and Marc Calaf

Phys. Rev. Lett. 126, 194501 (2021) - Published 10 May, 2021

Plasma and Beam Physics

Narrow Bandwidth Gamma Comb from Nonlinear Compton Scattering Using the Polarization Gating Technique

M. A. Valialshchikov, V. Yu. Kharin, and S. G. Rykovanov

Phys. Rev. Lett. 126, 194801 (2021) - Published 12 May, 2021

Condensed Matter: Structure, etc.

Purely Spatial Quantum Diffusion of H Atoms in Solid $H_{2}$ at Temperatures below 1 K

S. Sheludiakov, D. M. Lee, V. V. Khmelenko, J. Järvinen, J. Ahokas, and S. Vasiliev

Phys. Rev. Lett. 126, 195301 (2021) - Published 12 May, 2021

Quantum Elliptic Vortex in a Nematic-Spin Bose-Einstein Condensate

Hiromitsu Takeuchi

Phys. Rev. Lett. 126, 195302 (2021) - Published 12 May, 2021

Fermionic Minimal Models

Chang-Tse Hsieh, Yu Nakayama, and Yuji Tachikawa

Phys. Rev. Lett. 126, 195701 (2021) - Published 10 May, 2021

Universal Nucleation Behavior of Sheared Systems

Amrita Goswami, Indranil Saha Dalal, and Jayant K. Singh

Phys. Rev. Lett. 126, 195702 (2021) - Published 12 May, 2021

Thermal Activation of Nanoscale Wear

Wen Wang, Dirk Dietzel, and André Schirmeisen

Phys. Rev. Lett. 126, 196101 (2021) - Published 12 May, 2021

Condensed Matter: Electronic Properties, etc.

Interacting Chern Insulator in Infinite Spatial Dimensions

David Krüger and Michael Potthoff

Phys. Rev. Lett. 126, 196401 (2021) - Published 10 May, 2021

Switching Spinless and Spinful Topological Phases with Projective $P T$ Symmetry

Y. X. Zhao, Cong Chen, Xian-Lei Sheng, and Shengyuan A. Yang

Phys. Rev. Lett. 126, 196402 (2021) - Published 12 May, 2021

Flat-Band-Enabled Triplet Excitonic Insulator in a Diatomic Kagome Lattice

Gurjyot Sethi, Yinong Zhou, Linghan Zhu, Li Yang, and Feng Liu

Phys. Rev. Lett. 126, 196403 (2021) - Published 12 May, 2021

Mechanisms for Pressure-Induced Isostructural Phase Transitions in EuO

Jacques K. Desmarais, Alessandro Erba, Yuanming Pan, Bartolomeo Civalleri, and John S. Tse

Phys. Rev. Lett. 126, 196404 (2021) - Published 12 May, 2021

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Distinguishing a Mott Insulator from a Trivial Insulator with Atomic Adsorbates

Jinwon Lee, Kyung-Hwan Jin, and Han Woong Yeom

Phys. Rev. Lett. 126, 196405 (2021) - Published 13 May, 2021

A new experimental method based on adsorption can indicate whether a material is a Mott insulator or a common insulator.

Identification of the Mott Insulating Charge Density Wave State in $1 T − Ta S_{2}$

Dongbin Shin, Nicolas Tancogne-Dejean, Jin Zhang, Mahmut Sait Okyay, Angel Rubio, and Noejung Park

Phys. Rev. Lett. 126, 196406 (2021) - Published 13 May, 2021

Experimental Observation and Spin Texture of Dirac Node Arcs in Tetradymite Topological Metals

J. Dai, E. Frantzeskakis, N. Aryal, K.-W. Chen, F. Fortuna, J. E. Rault, P. Le Fèvre, L. Balicas, K. Miyamoto, T. Okuda, E. Manousakis, R. E. Baumbach, and A. F. Santander-Syro

Phys. Rev. Lett. 126, 196407 (2021) - Published 14 May, 2021

Spin-Flip Diffusion Length in $5 d$ Transition Metal Elements: A First-Principles Benchmark

Rohit S. Nair, Ehsan Barati, Kriti Gupta, Zhe Yuan, and Paul J. Kelly

Phys. Rev. Lett. 126, 196601 (2021) - Published 12 May, 2021

Intrinsic Spin Susceptibility and Pseudogaplike Behavior in Infinite-Layer ${LaNiO}_{2}$

D. Zhao, Y. B. Zhou, Y. Fu, L. Wang, X. F. Zhou, H. Cheng, J. Li, D. W. Song, S. J. Li, B. L. Kang, L. X. Zheng, L. P. Nie, Z. M. Wu, M. Shan, F. H. Yu, J. J. Ying, S. M. Wang, J. W. Mei, T. Wu, and X. H. Chen

Phys. Rev. Lett. 126, 197001 (2021) - Published 10 May, 2021

Spin-to-Charge Conversion in $Ag / Bi$ Bilayer Revisited

Jinhui Shen, Zheng Feng, Pengchao Xu, Dazhi Hou, Yang Gao, and Xiaofeng Jin

Phys. Rev. Lett. 126, 197201 (2021) - Published 12 May, 2021

Quantum Spin Torque Driven Transmutation of an Antiferromagnetic Mott Insulator

Marko D. Petrović, Priyanka Mondal, Adrian E. Feiguin, and Branislav K. Nikolić

Phys. Rev. Lett. 126, 197202 (2021) - Published 12 May, 2021

Field-Induced Modulated State in the Ferromagnet PrPtAl

Christopher D. O’Neill, Gino Abdul-Jabbar, Didier Wermeille, Philippe Bourges, Frank Krüger, and Andrew D. Huxley

Phys. Rev. Lett. 126, 197203 (2021) - Published 13 May, 2021

Enhanced Scattering between Electrons and Exciton-Polaritons in a Microcavity

Guangyao Li, Olivier Bleu, Meera M. Parish, and Jesper Levinsen

Phys. Rev. Lett. 126, 197401 (2021) - Published 10 May, 2021

EDITORS' SUGGESTION

Geometric Photon-Drag Effect and Nonlinear Shift Current in Centrosymmetric Crystals

Li-kun Shi, Dong Zhang, Kai Chang, and Justin C. W. Song

Phys. Rev. Lett. 126, 197402 (2021) - Published 10 May, 2021

Probing Permanent Dipole Moments and Removing Exciton Fine Structures in Single Perovskite Nanocrystals by an Electric Field

Bihu Lv, Tianyuan Zhu, Ying Tang, Yan Lv, Chunfeng Zhang, Xiaoyong Wang, Dajun Shu, and Min Xiao

Phys. Rev. Lett. 126, 197403 (2021) - Published 10 May, 2021

Inelastic Scattering of a Photon by a Quantum Phase Slip

R. Kuzmin, N. Grabon, N. Mehta, A. Burshtein, M. Goldstein, M. Houzet, L. I. Glazman, and V. E. Manucharyan

Phys. Rev. Lett. 126, 197701 (2021) - Published 12 May, 2021

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Nuclear Spin Gyroscope based on the Nitrogen Vacancy Center in Diamond

Vladimir V. Soshenko, Stepan V. Bolshedvorskii, Olga Rubinas, Vadim N. Sorokin, Andrey N. Smolyaninov, Vadim V. Vorobyov, and Alexey V. Akimov

Phys. Rev. Lett. 126, 197702 (2021) - Published 14 May, 2021

A small device performs rotational measurements using nuclear spins in a diamond wafer, paving the way for microchip-sized gyroscopes.

Polymer, Soft Matter, Biological, Climate, and Interdisciplinary Physics

Topologically Protected Transport of Cargo in a Chiral Active Fluid Aided by Odd-Viscosity-Enhanced Depletion Interactions

Qing Yang, Hongwei Zhu, Peng Liu, Rui Liu, Qingfan Shi, Ke Chen, Ning Zheng, Fangfu Ye, and Mingcheng Yang

Phys. Rev. Lett. 126, 198001 (2021) - Published 12 May, 2021