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HIGHLIGHTED ARTICLES

Large-N theory of critical Fermi surfaces

Ilya Esterlis, Haoyu Guo, Aavishkar A. Patel, and Subir Sachdev

Phys. Rev. B 103, 235129 (2021) - Published 14 June, 2021

Critical Fermi surfaces appear in many physical systems, including the half-filled Landau level, and certain spin liquids. Many theories have studied the nonquasiparticle excitations near the Fermi surface, and possible instabilities to pairing or density wave orders, but without a fully systematic method. Here, the authors study an ensemble of self-averaging theories with random coupling constants, and obtain a controlled large-N expansion.

Any axion insulator must be a bulk three-dimensional topological insulator

K. M. Fijalkowski, N. Liu, M. Hartl, M. Winnerlein, P. Mandal, A. Coschizza, A. Fothergill, S. Grauer, S. Schreyeck, K. Brunner, M. Greiter, R. Thomale, C. Gould, and L. W. Molenkamp

Phys. Rev. B 103, 235111 (2021) - Published 3 June, 2021

This study demonstrates that, contrary to earlier claims in the field involving analyses of a so-called “zero Hall plateau”, it is more intricate than expected to unambiguously reveal the existence of an axion insulator. In particular, the authors find from their scaling analysis of transport experiments on V-doped (Bi,Sb)2Te3 films of varying thickness that the truly three-dimensional bulk character is a necessary condition for axion insulators, a condition that is likely not satisfied for the materials exhibiting a zero Hall plateau.

Orbital-order phase transition in Pr1xCaxMnO3 probed by photovoltaics

B. Kressdorf, T. Meyer, M. ten Brink, C. Seick, S. Melles, N. Ottinger, T. Titze, H. Meer, A. Weisser, J. Hoffmann, S. Mathias, H. Ulrichs, D. Steil, M. Seibt, P. E. Blöchl, and C. Jooss

Phys. Rev. B 103, 235122 (2021) - Published 11 June, 2021

The orbital-order phase transition in low-doped Pr1xCaxMnO3 (x ≤ 0.3) is investigated through variation of different physical properties, including photovoltaic response, static and ultrafast transient optical absorption, electric transport, magnetization, and lattice structure. The results suggest that spontaneous orbital order emerges at room temperature and thus at much lower temperatures than previously reported. The requisite modification of the famous phase diagram of the manganite is supported by theoretical calculations, which imply that the observed finite orbital polarization above the orbital-order transition temperature is only induced order caused by octahedral tilting.

Hard x-ray photoemission spectroscopy of LaVO3/SrTiO3: Band alignment and electronic reconstruction

M. Stübinger, J. Gabel, P. Scheiderer, M. Zapf, M. Schmitt, P. Schütz, B. Leikert, J. Küspert, M. Kamp, P. K. Thakur, T.-L. Lee, P. Potapov, A. Lubk, B. Büchner, M. Sing, and R. Claessen

Phys. Rev. B 103, 235128 (2021) - Published 14 June, 2021

The authors study, as a promising candidate for photovoltaic applications, the Mott insulator LaVO3, epitaxially grown as a thin film on SrTiO3. They elucidate the electronic properties by electrical transport and photoemission measurements. The origin of the conducting interface is identified to be electronic reconstruction due to the polar discontinuity between film and substrate. The authors find a potential gradient in the film and a downward band bending in the substrate, with the electrons residing in interfacial Ti states.

Dynamical screening in SrVO3: Inelastic x-ray scattering experiments and ab initio calculations

Kari Ruotsalainen, Alessandro Nicolaou, Christoph J. Sahle, Anna Efimenko, James M. Ablett, Jean-Pascal Rueff, Dharmalingam Prabhakaran, and Matteo Gatti

Phys. Rev. B 103, 235136 (2021) - Published 16 June, 2021

One of the key physical processes in solids is screening, the modification of a potential felt by an electron due to the rearrangement of other electrons. Here, the authors combine inelastic x-ray scattering experiments and first-principles calculations to characterize the frequency-dependent screening of SrVO3, a prototypical metallic cubic perovskite. They show that the local variations at the microscopic level of the classical electrostatic potential between charges dominate the high-frequency response of this material.

Orbital dichotomy of Fermi liquid properties in Sr2RuO4 revealed by Raman spectroscopy

Jean-Côme Philippe, Benoît Baptiste, Chanchal Sow, Yoshiteru Maeno, Anne Forget, Dorothée Colson, Maximilien Cazayous, Alain Sacuto, and Yann Gallais

Phys. Rev. B 103, 235147 (2021) - Published 23 June, 2021

Polarization-resolved Raman spectroscopy is used to access the Fermi liquid properties of Sr2RuO4 in an orbital-resolved way. A clear orbital dependence is observed in the energy and temperature dependence of the quasiparticle scattering rate and mass, with the dxy-derived quasiparticles being significantly more correlated than the dyz/dxz-derived ones. The observed dichotomy is consistent with the picture of Sr2RuO4 as a Hund’s metal with significant orbital differentiation among quasiparticles.

Quenched disorder at antiferromagnetic quantum critical points in two-dimensional metals

Johannes Halbinger and Matthias Punk

Phys. Rev. B 103, 235157 (2021) - Published 24 June, 2021

The effects of disorder on metallic quantum critical points have been primarily studied using the Hertz approach, where fermionic degrees offreedom are integrated out. Since this approach is invalid for clean two-dimensional systems, the authors study here spin density wave quantum critical points in two-dimensional metals in the presence of quenched disorder via an ε expansion around three spatial dimensions, where the interplay between electrons and bosonic order parameter fluctuations is fully incorporated. A flow to strong disorder with indications towards an Anderson-localized ground state is observed.

Evolution of the electronic structure in Ta2NiSe5 across the structural transition revealed by resonant inelastic x-ray scattering

Haiyu Lu, Matteo Rossi, Jung-ho Kim, Hasan Yavas, Ayman Said, Abhishek Nag, Mirian Garcia-Fernandez, Stefano Agrestini, Ke-Jin Zhou, Chunjing Jia, Brian Moritz, Thomas P. Devereaux, Zhi-Xun Shen, and Wei-Sheng Lee

Phys. Rev. B 103, 235159 (2021) - Published 25 June, 2021

Ta2NiSe5’s candidacy as an excitonic insulator has remained unclear due to contradictory interpretations about its phase transition and the temperature evolution of its gap structure. Here, the authors use resonant inelastic x-ray scattering (RIXS) at both the Ta and Ni L edges to probe the excitation spectrum and evolution of the momentum-dependent gap. The results, which agree well with element-specific calculations of the joint density of states, place constraints on Ta2NiSe5, and highlight the role of the structural transition in sculpting the electronic structure.

Closing of the induced gap in a hybrid superconductor-semiconductor nanowire

D. Puglia, E. A. Martinez, G. C. Ménard, A. Pöschl, S. Gronin, G. C. Gardner, R. Kallaher, M. J. Manfra, C. M. Marcus, A. P. Higginbotham, and L. Casparis

Phys. Rev. B 103, 235201 (2021) - Published 8 June, 2021

Conclusively identifying Majorana modes in nanowires is an long-standing experimental challenge. Within the field, consensus is emerging that achieving this goal will require measurements on three-terminal devices. Here, the authors report some of the first results on such devices using nonlocal conductance. They find that zero-bias peaks are preceded by the closure of the bulk gap, which indicates that in these devices zero-bias peaks are associated with bulk properties of the nanowire. However, the behavior of the device after gap closure suggests that disorder remains an important limitation.

Spontaneous interlayer compression in commensurately stacked van der Waals heterostructures

Nicholas A. Pike, Antoine Dewandre, François Chaltin, Laura Garcia Gonzalez, Salvatore Pillitteri, Thomas Ratz, and Matthieu J. Verstraete

Phys. Rev. B 103, 235307 (2021) - Published 7 June, 2021

Stacks of nanostructured 2D materials can display properties distinct from those of the parent materials. In heterostructures of transition metal dichalcogenides, the authors find here that dissimilar chalcogen species induce a spontaneous compression of the van der Waals gap. This compression is a result of the induced charge displacement within and between the layers, which modifies the out-of-plane polarizability, and can stabilize charge density waves or induce ferroelectricity. The authors hope to stimulate experimental investigation of tunability in mixed chalcogen systems.

Pairing in magic-angle twisted bilayer graphene: Role of phonon and plasmon umklapp

Cyprian Lewandowski, Debanjan Chowdhury, and Jonathan Ruhman

Phys. Rev. B 103, 235401 (2021) - Published 1 June, 2021

The pairing mechanism in twisted bilayer graphene (TBG) remains a central question, which is often contrasted with pairing in other strong-coupled superconductors. However, TBG is unique in many ways. Its phonon dispersion contains many minioptical bands with frequencies exceeding the electronic bandwidth. Here, the authors develop a theory of electronic pairing resulting from this complex phonon structure and find that it mediates stronger interaction, compared to a purely electronic plasmonic mechanism. They also predict experimental signatures of both phonon umklapp and plasmon pairing mechanisms.

ARTICLES

Electronic structure and strongly correlated systems

Nernst and Ettingshausen effects in gapped quantum materials

Michael Levin, Anton Kapustin, and Lev Spodyneiko

Phys. Rev. B 103, 235101 (2021) - Published 1 June, 2021

Electronic properties and quasi-zero-energy states of graphene quantum dots

H. V. Grushevskaya, G. G. Krylov, S. P. Kruchinin, B. Vlahovic, and Stefano Bellucci

Phys. Rev. B 103, 235102 (2021) - Published 1 June, 2021

Lattice gauge theory and dynamical quantum phase transitions using noisy intermediate-scale quantum devices

Simon Panyella Pedersen and Nikolaj Thomas Zinner

Phys. Rev. B 103, 235103 (2021) - Published 1 June, 2021

Superconductivity and charge density wave order in the two-dimensional Holstein model

Owen Bradley, George G. Batrouni, and Richard T. Scalettar

Phys. Rev. B 103, 235104 (2021) - Published 1 June, 2021

Anomalous charge transport of superconducting CuxPdTe2 under high pressure

Hancheng Yang, M. K. Hooda, C. S. Yadav, David Hrabovsky, Andrea Gauzzi, and Yannick Klein

Phys. Rev. B 103, 235105 (2021) - Published 1 June, 2021

Thermopower in the Ba1δM2+xRu4xO11 (M=Co, Mn, Fe) magnetic hexagonal ruthenates

Florent Pawula, Ramzy Daou, Sylvie Hébert, Denis Pelloquin, Jean Juraszek, and Antoine Maignan

Phys. Rev. B 103, 235106 (2021) - Published 1 June, 2021

Universal signatures of Dirac fermions in entanglement and charge fluctuations

Valentin Crépel, Anna Hackenbroich, Nicolas Regnault, and Benoit Estienne

Phys. Rev. B 103, 235108 (2021) - Published 2 June, 2021

Anomalous Hall effect in the distorted kagome magnets (Nd,Sm)Mn6Sn6

Wenlong Ma, Xitong Xu, Zihe Wang, Huibin Zhou, Madalynn Marshall, Zhe Qu, Weiwei Xie, and Shuang Jia

Phys. Rev. B 103, 235109 (2021) - Published 2 June, 2021

Topology of an anti-parity-time symmetric non-Hermitian Su-Schrieffer-Heeger model

H. C. Wu, L. Jin, and Z. Song

Phys. Rev. B 103, 235110 (2021) - Published 3 June, 2021

Any axion insulator must be a bulk three-dimensional topological insulator

K. M. Fijalkowski, N. Liu, M. Hartl, M. Winnerlein, P. Mandal, A. Coschizza, A. Fothergill, S. Grauer, S. Schreyeck, K. Brunner, M. Greiter, R. Thomale, C. Gould, and L. W. Molenkamp

Phys. Rev. B 103, 235111 (2021) - Published 3 June, 2021

This study demonstrates that, contrary to earlier claims in the field involving analyses of a so-called “zero Hall plateau”, it is more intricate than expected to unambiguously reveal the existence of an axion insulator. In particular, the authors find from their scaling analysis of transport experiments on V-doped (Bi,Sb)2Te3 films of varying thickness that the truly three-dimensional bulk character is a necessary condition for axion insulators, a condition that is likely not satisfied for the materials exhibiting a zero Hall plateau.

Symmetry-protected self-correcting quantum memory in three space dimensions

Charles Stahl and Rahul Nandkishore

Phys. Rev. B 103, 235112 (2021) - Published 4 June, 2021

Induced axion-phason field in Weyl semimetals

D. Schmeltzer and Avadh Saxena

Phys. Rev. B 103, 235113 (2021) - Published 7 June, 2021

Correlation hard gap in antidot graphene

Jie Pan, Sheng-Shiuan Yeh, Haijing Zhang, David G. Rees, Ting Zhang, Bing Zhang, Juhn-Jong Lin, and Ping Sheng

Phys. Rev. B 103, 235114 (2021) - Published 8 June, 2021

Ballistic transport in integrable quantum lattice models with degenerate spectra

M. Mierzejewski, J. Herbrych, and P. Prelovšek

Phys. Rev. B 103, 235115 (2021) - Published 9 June, 2021

Universal superdiffusive modes in charged two dimensional liquids

Egor I. Kiselev

Phys. Rev. B 103, 235116 (2021) - Published 9 June, 2021

Cascade of singularities in the spin dynamics of a perturbed quantum critical Ising chain

Xiao Wang, Haiyuan Zou, Kristóf Hódsági, Márton Kormos, Gábor Takács, and Jianda Wu

Phys. Rev. B 103, 235117 (2021) - Published 10 June, 2021

Composite particle construction of the Fibonacci fractional quantum Hall state

Hart Goldman, Ramanjit Sohal, and Eduardo Fradkin

Phys. Rev. B 103, 235118 (2021) - Published 10 June, 2021

Electronic structure of rhombohedral CrX3 (X=Br, Cl, I) van der Waals crystals

L. Craco, S. S. Carara, Y.-C. Shao, Y.-D. Chuang, and B. Freelon

Phys. Rev. B 103, 235119 (2021) - Published 10 June, 2021

Ballistic transport through quantum point contacts of multiorbital oxides

J. Settino, R. Citro, F. Romeo, V. Cataudella, and C. A. Perroni

Phys. Rev. B 103, 235120 (2021) - Published 10 June, 2021

Orbital-order phase transition in Pr1xCaxMnO3 probed by photovoltaics

B. Kressdorf, T. Meyer, M. ten Brink, C. Seick, S. Melles, N. Ottinger, T. Titze, H. Meer, A. Weisser, J. Hoffmann, S. Mathias, H. Ulrichs, D. Steil, M. Seibt, P. E. Blöchl, and C. Jooss

Phys. Rev. B 103, 235122 (2021) - Published 11 June, 2021

The orbital-order phase transition in low-doped Pr1xCaxMnO3 (x ≤ 0.3) is investigated through variation of different physical properties, including photovoltaic response, static and ultrafast transient optical absorption, electric transport, magnetization, and lattice structure. The results suggest that spontaneous orbital order emerges at room temperature and thus at much lower temperatures than previously reported. The requisite modification of the famous phase diagram of the manganite is supported by theoretical calculations, which imply that the observed finite orbital polarization above the orbital-order transition temperature is only induced order caused by octahedral tilting.

Chalcogenic orbital density waves in the weak- and strong-coupling limit

Adam Kłosiński, Andrzej M. Oleś, Cliò Efthimia Agrapidis, Jasper van Wezel, and Krzysztof Wohlfeld

Phys. Rev. B 103, 235123 (2021) - Published 11 June, 2021

Pressure-induced structural transitions triggering dimensional crossover in the lithium purple bronze Li0.9Mo6O17

M. K. Tran, A. Akrap, J. Levallois, J. Teyssier, P. Schouwink, C. Besnard, P. Lerch, J. W. Allen, M. Greenblatt, and D. van der Marel

Phys. Rev. B 103, 235124 (2021) - Published 14 June, 2021

Higher Chern numbers in multilayer Lieb lattices (N2): Topological transitions and quadratic band crossing lines

Saikat Banerjee and Avadh Saxena

Phys. Rev. B 103, 235125 (2021) - Published 14 June, 2021

Strong electronic correlations in interstitial magnetic centers of zero-dimensional electride βYb5Sb3

Dmitry Y. Novoselov, Vladimir I. Anisimov, and Artem R. Oganov

Phys. Rev. B 103, 235126 (2021) - Published 14 June, 2021

Resonant inelastic x-ray scattering spectra in the hyperhoneycomb iridate βLi2IrO3: First-principles calculations

V. N. Antonov, D. A. Kukusta, L. Uba, A. Bonda, and S. Uba

Phys. Rev. B 103, 235127 (2021) - Published 14 June, 2021

Hard x-ray photoemission spectroscopy of LaVO3/SrTiO3: Band alignment and electronic reconstruction

M. Stübinger, J. Gabel, P. Scheiderer, M. Zapf, M. Schmitt, P. Schütz, B. Leikert, J. Küspert, M. Kamp, P. K. Thakur, T.-L. Lee, P. Potapov, A. Lubk, B. Büchner, M. Sing, and R. Claessen

Phys. Rev. B 103, 235128 (2021) - Published 14 June, 2021

The authors study, as a promising candidate for photovoltaic applications, the Mott insulator LaVO3, epitaxially grown as a thin film on SrTiO3. They elucidate the electronic properties by electrical transport and photoemission measurements. The origin of the conducting interface is identified to be electronic reconstruction due to the polar discontinuity between film and substrate. The authors find a potential gradient in the film and a downward band bending in the substrate, with the electrons residing in interfacial Ti states.

Large-N theory of critical Fermi surfaces

Ilya Esterlis, Haoyu Guo, Aavishkar A. Patel, and Subir Sachdev

Phys. Rev. B 103, 235129 (2021) - Published 14 June, 2021

Critical Fermi surfaces appear in many physical systems, including the half-filled Landau level, and certain spin liquids. Many theories have studied the nonquasiparticle excitations near the Fermi surface, and possible instabilities to pairing or density wave orders, but without a fully systematic method. Here, the authors study an ensemble of self-averaging theories with random coupling constants, and obtain a controlled large-N expansion.

Square-root topological phase with time-reversal and particle-hole symmetry

Tsuneya Yoshida, Tomonari Mizoguchi, Yoshihito Kuno, and Yasuhiro Hatsugai

Phys. Rev. B 103, 235130 (2021) - Published 14 June, 2021

Strategy for constructing compact numerical atomic orbital basis sets by incorporating the gradients of reference wavefunctions

Peize Lin, Xinguo Ren, and Lixin He

Phys. Rev. B 103, 235131 (2021) - Published 15 June, 2021

Phase diagram of the anisotropic triangular lattice Hubbard model

Aaron Szasz and Johannes Motruk

Phys. Rev. B 103, 235132 (2021) - Published 15 June, 2021

Frustration-induced emergent Hilbert space fragmentation

Kyungmin Lee, Arijeet Pal, and Hitesh J. Changlani

Phys. Rev. B 103, 235133 (2021) - Published 15 June, 2021

Reentrant metal-insulator transition and competing magnetic interactions on a triangular lattice with second nearest-neighbor hopping

Xin Gao, Cong Hu, Jian Sun, Xiao-Qun Wang, Hai-Qing Lin, and Gang Li

Phys. Rev. B 103, 235134 (2021) - Published 15 June, 2021

Anisotropic photoelectron emission delay in two-dimensional atomic arrangements

Hyosub Park, Youngjae Kim, and J. D. Lee

Phys. Rev. B 103, 235135 (2021) - Published 15 June, 2021

Dynamical screening in SrVO3: Inelastic x-ray scattering experiments and ab initio calculations

Kari Ruotsalainen, Alessandro Nicolaou, Christoph J. Sahle, Anna Efimenko, James M. Ablett, Jean-Pascal Rueff, Dharmalingam Prabhakaran, and Matteo Gatti

Phys. Rev. B 103, 235136 (2021) - Published 16 June, 2021

One of the key physical processes in solids is screening, the modification of a potential felt by an electron due to the rearrangement of other electrons. Here, the authors combine inelastic x-ray scattering experiments and first-principles calculations to characterize the frequency-dependent screening of SrVO3, a prototypical metallic cubic perovskite. They show that the local variations at the microscopic level of the classical electrostatic potential between charges dominate the high-frequency response of this material.

Eigenstate thermalization hypothesis through the lens of autocorrelation functions

Christoph Schönle, David Jansen, Fabian Heidrich-Meisner, and Lev Vidmar

Phys. Rev. B 103, 235137 (2021) - Published 16 June, 2021

Small to large Fermi surface transition in a single-band model using randomly coupled ancillas

Alexander Nikolaenko, Maria Tikhanovskaya, Subir Sachdev, and Ya-Hui Zhang

Phys. Rev. B 103, 235138 (2021) - Published 16 June, 2021

Pressure influence on the valence and magnetic state of Yb ions in noncentrosymmetric heavy-fermion YbNiC2

D. A. Salamatin, V. A. Sidorov, N. M. Chtchelkatchev, M. V. Magnitskaya, N. Martin, A. E. Petrova, L. N. Fomicheva, Jing Guo, Cheng Huang, Yazhou Zhou, Liling Sun, and A. V. Tsvyashchenko

Phys. Rev. B 103, 235139 (2021) - Published 16 June, 2021

Spin-polarized type-II nodal loop and nodal surface states in hexagonal compounds XTiO2 (X = Li, Na, K, Rb)

Tie Yang, Lei Jin, Ying Liu, Xiaoming Zhang, and Xiaotian Wang

Phys. Rev. B 103, 235140 (2021) - Published 17 June, 2021

Intrinsic hallmarks of phonon-induced charge order in cuprates

S. Banerjee, W. A. Atkinson, and A. P. Kampf

Phys. Rev. B 103, 235141 (2021) - Published 21 June, 2021

Domain wall induced spin-polarized flat bands in antiferromagnetic topological insulators

E. K. Petrov, V. N. Men'shov, I. P. Rusinov, M. Hoffmann, A. Ernst, M. M. Otrokov, V. K. Dugaev, T. V. Menshchikova, and E. V. Chulkov

Phys. Rev. B 103, 235142 (2021) - Published 21 June, 2021

Chiralities of nodal points along high-symmetry lines with screw rotation symmetry

Rafael González-Hernández, Erick Tuiran, and Bernardo Uribe

Phys. Rev. B 103, 235143 (2021) - Published 21 June, 2021

Sensitivity of the Fermi surface to the treatment of exchange and correlation

E. I. Harris-Lee, A. D. N. James, and S. B. Dugdale

Phys. Rev. B 103, 235144 (2021) - Published 21 June, 2021

Spin-orbital model for fullerides

Ryuta Iwazaki and Shintaro Hoshino

Phys. Rev. B 103, 235145 (2021) - Published 21 June, 2021

Theory of angle-resolved photoemission spectroscopy in graphene-based moiré superlattices

Jihang Zhu, Jingtian Shi, and Allan H. MacDonald

Phys. Rev. B 103, 235146 (2021) - Published 22 June, 2021

Orbital dichotomy of Fermi liquid properties in Sr2RuO4 revealed by Raman spectroscopy

Jean-Côme Philippe, Benoît Baptiste, Chanchal Sow, Yoshiteru Maeno, Anne Forget, Dorothée Colson, Maximilien Cazayous, Alain Sacuto, and Yann Gallais

Phys. Rev. B 103, 235147 (2021) - Published 23 June, 2021

Polarization-resolved Raman spectroscopy is used to access the Fermi liquid properties of Sr2RuO4 in an orbital-resolved way. A clear orbital dependence is observed in the energy and temperature dependence of the quasiparticle scattering rate and mass, with the dxy-derived quasiparticles being significantly more correlated than the dyz/dxz-derived ones. The observed dichotomy is consistent with the picture of Sr2RuO4 as a Hund’s metal with significant orbital differentiation among quasiparticles.

Large anomalous Hall effect and spin Hall effect by spin-cluster scattering in the strong-coupling limit

Hiroaki Ishizuka and Naoto Nagaosa

Phys. Rev. B 103, 235148 (2021) - Published 23 June, 2021

Chiral topological superconducting state with Chern number C = 2 in Pb3Bi/Ge(111)

Shuwen Sun, Wei Qin, Leiqiang Li, and Zhenyu Zhang

Phys. Rev. B 103, 235149 (2021) - Published 23 June, 2021

Competing electronic orders on a heavily doped honeycomb lattice with enhanced exchange coupling

Song-Jin O, Yong-Hwan Kim, Ok-Gyong Pak, Kum-Hyok Jong, Chol-Won Ri, and Hak-Chol Pak

Phys. Rev. B 103, 235150 (2021) - Published 23 June, 2021

Nonlinear Hall effect in two-dimensional class-AI metals

Zi-Shan Liao, Hong-Hao Zhang, and Zhongbo Yan

Phys. Rev. B 103, 235151 (2021) - Published 23 June, 2021

Beyond Ohm's law: Bernoulli effect and streaming in electron hydrodynamics

Aaron Hui, Vadim Oganesyan, and Eun-Ah Kim

Phys. Rev. B 103, 235152 (2021) - Published 23 June, 2021

η-pairing ground states in the non-Hermitian Hubbard model

X. Z. Zhang and Z. Song

Phys. Rev. B 103, 235153 (2021) - Published 23 June, 2021

Eightfold quantum Hall phases in a time reversal symmetry broken tight binding model

Sudarshan Saha, Tanay Nag, and Saptarshi Mandal

Phys. Rev. B 103, 235154 (2021) - Published 24 June, 2021

Accurate simulation for finite projected entangled pair states in two dimensions

Wen-Yuan Liu, Yi-Zhen Huang, Shou-Shu Gong, and Zheng-Cheng Gu

Phys. Rev. B 103, 235155 (2021) - Published 24 June, 2021

Superconductivity, charge density waves, and bipolarons in the Holstein model

B. Nosarzewski, E. W. Huang, Philip M. Dee, I. Esterlis, B. Moritz, S. A. Kivelson, S. Johnston, and T. P. Devereaux

Phys. Rev. B 103, 235156 (2021) - Published 24 June, 2021

Quenched disorder at antiferromagnetic quantum critical points in two-dimensional metals

Johannes Halbinger and Matthias Punk

Phys. Rev. B 103, 235157 (2021) - Published 24 June, 2021

The effects of disorder on metallic quantum critical points have been primarily studied using the Hertz approach, where fermionic degrees offreedom are integrated out. Since this approach is invalid for clean two-dimensional systems, the authors study here spin density wave quantum critical points in two-dimensional metals in the presence of quenched disorder via an ε expansion around three spatial dimensions, where the interplay between electrons and bosonic order parameter fluctuations is fully incorporated. A flow to strong disorder with indications towards an Anderson-localized ground state is observed.

Resonant inelastic x-ray scattering study of doping and temperature dependence of low-energy excitations in La1xSrxVO3 thin films

Kari Ruotsalainen, Matteo Gatti, James M. Ablett, Flora Yakhou-Harris, Jean-Pascal Rueff, Adrian David, Wilfrid Prellier, and Alessandro Nicolaou

Phys. Rev. B 103, 235158 (2021) - Published 24 June, 2021

Evolution of the electronic structure in Ta2NiSe5 across the structural transition revealed by resonant inelastic x-ray scattering

Haiyu Lu, Matteo Rossi, Jung-ho Kim, Hasan Yavas, Ayman Said, Abhishek Nag, Mirian Garcia-Fernandez, Stefano Agrestini, Ke-Jin Zhou, Chunjing Jia, Brian Moritz, Thomas P. Devereaux, Zhi-Xun Shen, and Wei-Sheng Lee

Phys. Rev. B 103, 235159 (2021) - Published 25 June, 2021

Ta2NiSe5’s candidacy as an excitonic insulator has remained unclear due to contradictory interpretations about its phase transition and the temperature evolution of its gap structure. Here, the authors use resonant inelastic x-ray scattering (RIXS) at both the Ta and Ni L edges to probe the excitation spectrum and evolution of the momentum-dependent gap. The results, which agree well with element-specific calculations of the joint density of states, place constraints on Ta2NiSe5, and highlight the role of the structural transition in sculpting the electronic structure.

Magnetic order and 5d1 multipoles in a rhenate double perovskite Ba2MgReO6

S. W. Lovesey and D. D. Khalyavin

Phys. Rev. B 103, 235160 (2021) - Published 25 June, 2021

Thermoelectric Hall conductivity of fractional quantum Hall systems on a disk

Zi-Yi Fang, Dan Ye, Yu-Yu Zhang, and Zi-Xiang Hu

Phys. Rev. B 103, 235161 (2021) - Published 25 June, 2021

Bosonization study of a generalized statistics model with four Fermi points

Sreemayee Aditya and Diptiman Sen

Phys. Rev. B 103, 235162 (2021) - Published 25 June, 2021

Many-body perturbation theory for the superconducting quantum dot: Fundamental role of the magnetic field

Václav Janiš and Jiawei Yan

Phys. Rev. B 103, 235163 (2021) - Published 28 June, 2021

Elastic backscattering of quantum spin Hall edge modes from Coulomb interactions with nonmagnetic impurities

Max McGinley and Nigel R. Cooper

Phys. Rev. B 103, 235164 (2021) - Published 28 June, 2021

Frequency-dependent functional renormalization group for interacting fermionic systems

Nahom K. Yirga and David K. Campbell

Phys. Rev. B 103, 235165 (2021) - Published 28 June, 2021

Few-body nature of Kondo correlated ground states

Maxime Debertolis, Serge Florens, and Izak Snyman

Phys. Rev. B 103, 235166 (2021) - Published 29 June, 2021

Quartic multifractality and finite-size corrections at the spin quantum Hall transition

Martin Puschmann, Daniel Hernangómez-Pérez, Bruno Lang, Soumya Bera, and Ferdinand Evers

Phys. Rev. B 103, 235167 (2021) - Published 30 June, 2021

Semiconductors I: bulk

Closing of the induced gap in a hybrid superconductor-semiconductor nanowire

D. Puglia, E. A. Martinez, G. C. Ménard, A. Pöschl, S. Gronin, G. C. Gardner, R. Kallaher, M. J. Manfra, C. M. Marcus, A. P. Higginbotham, and L. Casparis

Phys. Rev. B 103, 235201 (2021) - Published 8 June, 2021

Conclusively identifying Majorana modes in nanowires is an long-standing experimental challenge. Within the field, consensus is emerging that achieving this goal will require measurements on three-terminal devices. Here, the authors report some of the first results on such devices using nonlocal conductance. They find that zero-bias peaks are preceded by the closure of the bulk gap, which indicates that in these devices zero-bias peaks are associated with bulk properties of the nanowire. However, the behavior of the device after gap closure suggests that disorder remains an important limitation.

Revealing the vacuum level in an infinite solid by real-space potential unfolding

Duk-Hyun Choe, Damien West, and Shengbai Zhang

Phys. Rev. B 103, 235202 (2021) - Published 25 June, 2021

Semiconductors II: surfaces, interfaces, microstructures, and related topics

Driven dynamics of a quantum dot electron spin coupled to a bath of higher-spin nuclei

Arian Vezvaee, Gargee Sharma, Sophia E. Economou, and Edwin Barnes

Phys. Rev. B 103, 235301 (2021) - Published 1 June, 2021

Miniband engineering and topological phase transitions in topological-insulator–normal-insulator superlattices

G. Krizman, B. A. Assaf, G. Bauer, G. Springholz, L. A. de Vaulchier, and Y. Guldner

Phys. Rev. B 103, 235302 (2021) - Published 3 June, 2021

Commensurability oscillations in the Hall resistance of unidirectional lateral superlattices

Akira Endo, Shingo Katsumoto, and Yasuhiro Iye

Phys. Rev. B 103, 235303 (2021) - Published 3 June, 2021

Screening and band bending effects in the Stark control of electrons at interfaces (SCELI)

Antonio J. Garzón-Ramírez, Francisco Fernández Villoria, and Ignacio Franco

Phys. Rev. B 103, 235304 (2021) - Published 4 June, 2021

Residual bulk viscosity of a disordered two-dimensional electron gas

V. A. Zakharov and I. S. Burmistrov

Phys. Rev. B 103, 235305 (2021) - Published 4 June, 2021

Interaction-induced double-sided skin effect in an exciton-polariton system

Xingran Xu, Huawen Xu, S. Mandal, R. Banerjee, Sanjib Ghosh, and T. C. H. Liew

Phys. Rev. B 103, 235306 (2021) - Published 7 June, 2021

Spontaneous interlayer compression in commensurately stacked van der Waals heterostructures

Nicholas A. Pike, Antoine Dewandre, François Chaltin, Laura Garcia Gonzalez, Salvatore Pillitteri, Thomas Ratz, and Matthieu J. Verstraete

Phys. Rev. B 103, 235307 (2021) - Published 7 June, 2021

Stacks of nanostructured 2D materials can display properties distinct from those of the parent materials. In heterostructures of transition metal dichalcogenides, the authors find here that dissimilar chalcogen species induce a spontaneous compression of the van der Waals gap. This compression is a result of the induced charge displacement within and between the layers, which modifies the out-of-plane polarizability, and can stabilize charge density waves or induce ferroelectricity. The authors hope to stimulate experimental investigation of tunability in mixed chalcogen systems.

Fermi arc reconstruction at the interface of twisted Weyl semimetals

Faruk Abdulla, Sumathi Rao, and Ganpathy Murthy

Phys. Rev. B 103, 235308 (2021) - Published 8 June, 2021

Non-Markovian perturbation theories for phonon effects in strong-coupling cavity quantum electrodynamics

Matias Bundgaard-Nielsen, Jesper Mørk, and Emil Vosmar Denning

Phys. Rev. B 103, 235309 (2021) - Published 8 June, 2021

Spin-orbit enabled quantum transport channels in a two-hole double quantum dot

Alex Bogan, Sergei Studenikin, Marek Korkusinski, Louis Gaudreau, Jason Phoenix, Piotr Zawadzki, Andy Sachrajda, Lisa Tracy, John Reno, and Terry Hargett

Phys. Rev. B 103, 235310 (2021) - Published 14 June, 2021

Sommerfeld enhancement factor in two-dimensional Dirac materials

N. V. Leppenen, L. E. Golub, and E. L. Ivchenko

Phys. Rev. B 103, 235311 (2021) - Published 16 June, 2021

Long-lived dark coherence brought to light by magnetic-field controlled photon echo

I. A. Solovev, I. I. Yanibekov, Yu. P. Efimov, S. A. Eliseev, V. A. Lovcjus, I. A. Yugova, S. V. Poltavtsev, and Yu. V. Kapitonov

Phys. Rev. B 103, 235312 (2021) - Published 17 June, 2021

Ultralong temporal coherence in optically trapped exciton-polariton condensates

K. Orfanakis, A. F. Tzortzakakis, D. Petrosyan, P. G. Savvidis, and H. Ohadi

Phys. Rev. B 103, 235313 (2021) - Published 21 June, 2021

Single-tone pulse sequences and robust two-tone shaped pulses for three silicon spin qubits with always-on exchange

David W. Kanaar, Sidney Wolin, Utkan Güngördü, and J. P. Kestner

Phys. Rev. B 103, 235314 (2021) - Published 22 June, 2021

Quantum anomalous Hall effect in a three-dimensional topological-insulator–thin-film-ferromagnetic-metal heterostructure

Katsuhiro Arimoto, Takashi Koretsune, and Kentaro Nomura

Phys. Rev. B 103, 235315 (2021) - Published 25 June, 2021

Surface physics, nanoscale physics, low-dimensional systems

Pairing in magic-angle twisted bilayer graphene: Role of phonon and plasmon umklapp

Cyprian Lewandowski, Debanjan Chowdhury, and Jonathan Ruhman

Phys. Rev. B 103, 235401 (2021) - Published 1 June, 2021

The pairing mechanism in twisted bilayer graphene (TBG) remains a central question, which is often contrasted with pairing in other strong-coupled superconductors. However, TBG is unique in many ways. Its phonon dispersion contains many minioptical bands with frequencies exceeding the electronic bandwidth. Here, the authors develop a theory of electronic pairing resulting from this complex phonon structure and find that it mediates stronger interaction, compared to a purely electronic plasmonic mechanism. They also predict experimental signatures of both phonon umklapp and plasmon pairing mechanisms.

Analytical description of the 1s exciton linewidth temperature dependence in transition metal dichalcogenides

J. C. G. Henriques, N. A. Mortensen, and N. M. R. Peres

Phys. Rev. B 103, 235402 (2021) - Published 1 June, 2021

Transmission phase evolution in fully screened and overscreened Kondo impurities

D. B. Karki

Phys. Rev. B 103, 235403 (2021) - Published 2 June, 2021

Topological and dynamical features of periodically driven spin ladders

Raditya Weda Bomantara, Sen Mu, and Jiangbin Gong

Phys. Rev. B 103, 235404 (2021) - Published 2 June, 2021

Negative quasiparticle shifts in phosphorene quantum dots

Jun Zhong, Jun Xie, and Weidong Sheng

Phys. Rev. B 103, 235405 (2021) - Published 2 June, 2021

Flexoelectricity and transport properties of phosphorene nanoribbons under mechanical bending

T. Pandey, L. Covaci, M. V. Milošević, and F. M. Peeters

Phys. Rev. B 103, 235406 (2021) - Published 2 June, 2021

Femtosecond laser pulse splitting effect in second harmonic generation under Laue diffraction in one-dimensional photonic crystals

V. B. Novikov and T. V. Murzina

Phys. Rev. B 103, 235408 (2021) - Published 4 June, 2021

Strong light-matter coupling in MoS2

Patryk Kusch, Niclas S. Mueller, Martin T. Hartmann, and Stephanie Reich

Phys. Rev. B 103, 235409 (2021) - Published 7 June, 2021

Clock model and parafermions in Rashba nanowires

Flavio Ronetti, Daniel Loss, and Jelena Klinovaja

Phys. Rev. B 103, 235410 (2021) - Published 7 June, 2021

Magnetic order in XY-type antiferromagnetic monolayer CoPS3 revealed by Raman spectroscopy

Qiye Liu, Le Wang, Ying Fu, Xi Zhang, Lianglong Huang, Huimin Su, Junhao Lin, Xiaobin Chen, Dapeng Yu, Xiaodong Cui, Jia-Wei Mei, and Jun-Feng Dai

Phys. Rev. B 103, 235411 (2021) - Published 7 June, 2021

Calculation of the nonlinear response functions of intraexciton transitions in two-dimensional transition metal dichalcogenides

J. C. G. Henriques, Høgni C. Kamban, Thomas G. Pedersen, and N. M. R. Peres

Phys. Rev. B 103, 235412 (2021) - Published 8 June, 2021

Nonequilibrium open quantum systems with multiple bosonic and fermionic environments: A hierarchical equations of motion approach

J. Bätge, Y. Ke, C. Kaspar, and M. Thoss

Phys. Rev. B 103, 235413 (2021) - Published 8 June, 2021

Two-dimensional Bose-Hubbard model for helium on graphene

Jiangyong Yu, Ethan Lauricella, Mohamed Elsayed, Kenneth Shepherd, Jr., Nathan S. Nichols, Todd Lombardi, Sang Wook Kim, Carlos Wexler, Juan M. Vanegas, Taras Lakoba, Valeri N. Kotov, and Adrian Del Maestro

Phys. Rev. B 103, 235414 (2021) - Published 9 June, 2021

Near-field thermal transport between two identical twisted bilayer graphene sheets separated by a vacuum gap

Fuwei Yang and Bai Song

Phys. Rev. B 103, 235415 (2021) - Published 9 June, 2021

Dynamical leakage of Majorana mode into side-attached quantum dot

J. Barański, M. Barańska, T. Zienkiewicz, R. Taranko, and T. Domański

Phys. Rev. B 103, 235416 (2021) - Published 11 June, 2021

Oscillations of the electron energy loss rate in two-dimensional transition-metal dichalcogenides in the presence of a quantizing magnetic field

Tran N. Bich, S. S. Kubakaddi, Le Dinh, Nguyen N. Hieu, and Huynh V. Phuc

Phys. Rev. B 103, 235417 (2021) - Published 11 June, 2021

Quantitative study of the response of a single NV defect in diamond to magnetic noise

Maxime Rollo, Aurore Finco, Rana Tanos, Florentin Fabre, Thibaut Devolder, Isabelle Robert-Philip, and Vincent Jacques

Phys. Rev. B 103, 235418 (2021) - Published 15 June, 2021

Unconventional topological transitions in a self-organized magnetic ladder

Maciej M. Maśka, Nicholas Sedlmayr, Aksel Kobiałka, and Tadeusz Domański

Phys. Rev. B 103, 235419 (2021) - Published 15 June, 2021

Graphene quantum dots with a Stone-Wales defect as a topologically tunable platform for visible-light harvesting

Tista Basak, Tushima Basak, and Alok Shukla

Phys. Rev. B 103, 235420 (2021) - Published 16 June, 2021

Quasiperiodic modulation of electronic states at edges of tellurium nanoribbons on graphene/6HSiC(0001)

Guangyao Miao, Jingsi Qiao, Xiaochun Huang, Bing Liu, Weiliang Zhong, Weihua Wang, Wei Ji, and Jiandong Guo

Phys. Rev. B 103, 235421 (2021) - Published 16 June, 2021

Generalized electromagnetic theorems for nonlocal plasmonics

Émilie Sakat, Antoine Moreau, and Jean-Paul Hugonin

Phys. Rev. B 103, 235422 (2021) - Published 16 June, 2021

Resonant enhancement of grazing incidence neutron scattering for the characterization of thin films

Adrien Perrichon, Anton Devishvili, Kristina Komander, Gunnar K. Pálsson, Alexei Vorobiev, Rasmus Lavén, Maths Karlsson, and Max Wolff

Phys. Rev. B 103, 235423 (2021) - Published 17 June, 2021

Phenomenological model for long-wavelength optical modes in transition metal dichalcogenide monolayer

C. Trallero-Giner, E. Menéndez-Proupin, E. Suárez Morell, R. Pérez-Álvarez, and Darío G. Santiago-Pérez

Phys. Rev. B 103, 235424 (2021) - Published 21 June, 2021

One-dimensional 2n-root topological insulators and superconductors

A. M. Marques, L. Madail, and R. G. Dias

Phys. Rev. B 103, 235425 (2021) - Published 21 June, 2021

Importance of quadratic dispersion in acoustic flexural phonons for thermal transport of two-dimensional materials

Armin Taheri, Simone Pisana, and Chandra Veer Singh

Phys. Rev. B 103, 235426 (2021) - Published 22 June, 2021

Electromagnetic response of topological superconductors

M. Stålhammar, M. Stone, Masatoshi Sato, and T. H. Hansson

Phys. Rev. B 103, 235427 (2021) - Published 23 June, 2021

Characterization of Shapiro steps in the presence of a 4π-periodic Josephson current

Jinho Park, Yong-Bin Choi, Gil-Ho Lee, and Hu-Jong Lee

Phys. Rev. B 103, 235428 (2021) - Published 24 June, 2021

Current induced by a tilted magnetic field in phosphorene under terahertz laser radiation

Narjes Kheirabadi

Phys. Rev. B 103, 235429 (2021) - Published 25 June, 2021

Relativity and diversity of strong coupling in coupled plasmon-exciton systems

Renming Liu, Zeyang Liao, Yi-Cong Yu, and Xue-Hua Wang

Phys. Rev. B 103, 235430 (2021) - Published 25 June, 2021

Chemical sensing with graphene: A quantum field theory perspective

Horacio Falomir, Marcelo Loewe, and Enrique Muñoz

Phys. Rev. B 103, 235431 (2021) - Published 28 June, 2021

Surface and volume photoeffect from metal nanoparticles with electron mass discontinuity

Igor E. Protsenko, Alexander V. Uskov, and Nikolay V. Nikonorov

Phys. Rev. B 103, 235432 (2021) - Published 28 June, 2021

Role of defects in ultrafast charge recombination in monolayer MoS2

Raquel Esteban-Puyuelo and Biplab Sanyal

Phys. Rev. B 103, 235433 (2021) - Published 28 June, 2021

Nonlocal thermoelectric engines in hybrid topological Josephson junctions

Gianmichele Blasi, Fabio Taddei, Liliana Arrachea, Matteo Carrega, and Alessandro Braggio

Phys. Rev. B 103, 235434 (2021) - Published 28 June, 2021

Valley current generation using biased bilayer graphene dots

Fionnuala Solomon and Stephen R. Power

Phys. Rev. B 103, 235435 (2021) - Published 28 June, 2021

Spin dynamics from a constrained magnetic tight-binding model

Ramon Cardias, Cyrille Barreteau, Pascal Thibaudeau, and Chu Chun Fu

Phys. Rev. B 103, 235436 (2021) - Published 28 June, 2021

Coupling of Yu-Shiba-Rusinov states in one-dimensional chains of Fe atoms on Nb(110)

Felix Friedrich, Robin Boshuis, Matthias Bode, and Artem Odobesko

Phys. Rev. B 103, 235437 (2021) - Published 28 June, 2021

Emergence of exceptional points and their spectroscopic signature in a Dirac semimetal–dirty superconductor heterojunction

Sayan Jana, Debashree Chowdhury, and Arijit Saha

Phys. Rev. B 103, 235438 (2021) - Published 29 June, 2021

COMMENTS

Comment on “Nonequilibrium steady state phases of the interacting Aubry-André-Harper model”

Marko Žnidarič

Phys. Rev. B 103, 237101 (2021) - Published 21 June, 2021

Reply to “Comment on ‘Nonequilibrium steady state phases of the interacting Aubry-André-Harper model' ”

Yongchan Yoo, Junhyun Lee, and Brian Swingle

Phys. Rev. B 103, 237102 (2021) - Published 21 June, 2021

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