Browse Issues:

HIGHLIGHTED ARTICLES

Emergence of ferroelectricity and spin-valley properties in two-dimensional honeycomb binary compounds

Domenico Di Sante, Alessandro Stroppa, Paolo Barone, Myung-Hwan Whangbo, and Silvia Picozzi

Phys. Rev. B 91, 161401(R) (2015) - Published 6 April, 2015

First-principles calculations presented in this Rapid Communication suggest that a number of AB binary honeycomb monolayers should be ferroelectric. Dipoles arise from the buckled structure, and the polarization reversal occurs via switching the structural buckling which can be triggered by an external electric field. The authors address the emerging valley-dependent properties arising from the ferroelectric bistability and explore the intimate link between ferroelectricity, spin-valley physics, and Rashba spin-splitting phenomena.

Tunable terahertz frequency comb generation using time-dependent graphene sheets

Vincent Ginis, Philippe Tassin, Thomas Koschny, and Costas M. Soukoulis

Phys. Rev. B 91, 161403(R) (2015) - Published 8 April, 2015

In addition to its extraordinary mechanical, thermal and electrical properties, graphene shows great potential in manipulating electromagnetic fields. One of the main advantages of graphene compared to other materials is the extraordinary tunability of its conductivity, which can be achieved electrically by means of a back gate, or optically through the excitation of photocarriers. Scientists from Belgium, Sweden and the United States demonstrate that this tunability of graphene can be used in a novel setup for the generation of frequency combs. Traditionally, frequency combs are generated using nonlinear materials. The researchers studied the interaction between light and time-dependent graphene sheets, including both dispersion and explicit time-dependence of the conductivity. Based on this model, they demonstrated that frequency combs can be generated without material nonlinearities. Indeed, at terahertz frequencies it is possible to modulate the linear, time-dependent conductivity of graphene to obtain a large variety of frequency combs.

Surface band structure of Bi1xSbx(111)

Hadj M. Benia, Carola Straßer, Klaus Kern, and Christian R. Ast

Phys. Rev. B 91, 161406(R) (2015) - Published 13 April, 2015

The much debated topology of Bi1-xSbx has been resolved in this very careful and thorough experiment. The authors optimized the Bi1-xSbx growth method and minimized surface imperfections. They performed direct measurements of the surface band structure and followed its evolution within a large window of Sb concentration. They did not detect a third surface band seen in previous experiments. Thus, they conclude that the experimental surface band structure of B1-xSbx in the topologically insulating regime now agrees well with the theoretical predictions.

Weyl semimetal from spontaneous inversion symmetry breaking in pyrochlore oxides

Tomáš Bzdušek, Andreas Rüegg, and Manfred Sigrist

Phys. Rev. B 91, 165105 (2015) - Published 6 April, 2015

Most of the previously suggested scenarios for the realization of Weyl semimetal on a pyrochlore lattice require breaking of time-reversal symmetry. In this study the authors show that spontaneous deformations of the crystal that break the inversion symmetry can stabilize this phase as well. They demonstrate that in the temperature-elasticity phase diagram Weyl semimetal shows a reentrant behavior.

Topological invariants for gauge theories and symmetry-protected topological phases

Chenjie Wang and Michael Levin

Phys. Rev. B 91, 165119 (2015) - Published 15 April, 2015

According to a recent theoretical conjecture for a classification of symmetry protected topological (SPT) phases which can arise in a collection of lattice boson models called group cohomology models, each model belongs to a distinct SPT phase, and each SPT phase can be realized by a model. Here the authors show that for SPT phases with symmetry groups that are finite, Abelian, and unitary, each group cohomology model can be characterized by a unique set of topological invariants and therefore belongs to a distinct SPT phase. In two dimensions it is further shown that the complete set of group cohomology models accounts for all SPT phases, while in three dimensions evidence pointing toward such a proof is found.

Topology of density matrices

Jan Carl Budich and Sebastian Diehl

Phys. Rev. B 91, 165140 (2015) - Published 30 April, 2015

Can topologically non-trivial states, such as those in topological insulators and superconductors, arise in the mixed states of open quantum systems? By imposing special constraints on the gauge structure of the density matrices which describe open quantum systems, the authors find non-trivial topological invariants showing that topological phenomena can be generalized to mixed states. The method is illustrated with an analysis of Chern insulators at finite temperature.

State-selective intersystem crossing in nitrogen-vacancy centers

M. L. Goldman, M. W. Doherty, A. Sipahigil, N. Y. Yao, S. D. Bennett, N. B. Manson, A. Kubanek, and M. D. Lukin

Phys. Rev. B 91, 165201 (2015) - Published 8 April, 2015

Motivated by recent measurements of state-selective intersystem crossing (ISC) in the nitrogen-vacancy (NV) center in diamond (see companion PRL), a new microscopic model is developed of the key ISC mechanism. These nonradiative transitions between states of different spin multiplicity are pivotal in the optical initialization and readout of the NV center’s electronic spin, which has created a diverse range of room-temperature applications in metrology and quantum information science.

Topological central charge from Berry curvature: Gravitational anomalies in trial wave functions for topological phases

Barry Bradlyn and N. Read

Phys. Rev. B 91, 165306 (2015) - Published 20 April, 2015

The topological central charge is a property that takes the same value throughout a topological phase of matter. In this work authors show how to compute topological central charge as a Berry curvature associated with position-dependent changes in the spatial metric in the bulk of the system.

RAPID COMMUNICATIONS

Electronic structure and strongly correlated systems

Analysis of the optical conductivity for A2IrO3(A=Na, Li) from first principles

Ying Li, Kateryna Foyevtsova, Harald O. Jeschke, and Roser Valentí

Phys. Rev. B 91, 161101(R) (2015) - Published 10 April, 2015

Spontaneous currents in a superconductor with s+is symmetry

Saurabh Maiti, Manfred Sigrist, and Andrey Chubukov

Phys. Rev. B 91, 161102(R) (2015) - Published 13 April, 2015

Comparative analysis of models for the αγ phase transition in cerium: A DFT+DMFT study using Wannier orbitals

Bernard Amadon and Alexis Gerossier

Phys. Rev. B 91, 161103(R) (2015) - Published 13 April, 2015

Jahn-Teller versus quantum effects in the spin-orbital material LuVO3

M. Skoulatos, S. Toth, B. Roessli, M. Enderle, K. Habicht, D. Sheptyakov, A. Cervellino, P. G. Freeman, M. Reehuis, A. Stunault, G. J. McIntyre, L. D. Tung, C. Marjerrison, E. Pomjakushina, P. J. Brown, D. I. Khomskii, Ch. Rüegg, A. Kreyssig, A. I. Goldman, and J. P. Goff

Phys. Rev. B 91, 161104(R) (2015) - Published 13 April, 2015

New classes of three-dimensional topological crystalline insulators: Nonsymmorphic and magnetic

Chen Fang and Liang Fu

Phys. Rev. B 91, 161105(R) (2015) - Published 15 April, 2015

Spin-orbital liquid and quantum critical point in Y1xLaxTiO3

Z. Y. Zhao, O. Khosravani, M. Lee, L. Balicas, X. F. Sun, J. G. Cheng, J. Brooks, H. D. Zhou, and E. S. Choi

Phys. Rev. B 91, 161106(R) (2015) - Published 21 April, 2015

Magnetic-order-driven topological transition in the Haldane-Hubbard model

Wei Zheng, Huitao Shen, Zhong Wang, and Hui Zhai

Phys. Rev. B 91, 161107(R) (2015) - Published 23 April, 2015

Cooper pairing in the insulating valence band in iron-based superconductors

Lun-Hui Hu, Wei-Qiang Chen, and Fu-Chun Zhang

Phys. Rev. B 91, 161108(R) (2015) - Published 23 April, 2015

Quantum quenches and many-body localization in the thermodynamic limit

Baoming Tang, Deepak Iyer, and Marcos Rigol

Phys. Rev. B 91, 161109(R) (2015) - Published 23 April, 2015

Anisotropic energy scale for degenerate Fermi and non-Fermi liquids near a quantum critical phase transition in YbRh2Si2

S. Kambe, H. Sakai, Y. Tokunaga, G. Lapertot, T. D. Matsuda, G. Knebel, J. Flouquet, and R. E. Walstedt

Phys. Rev. B 91, 161110(R) (2015) - Published 24 April, 2015

Preparation of magnetic tips for spin-polarized scanning tunneling microscopy on Fe1+yTe

Udai Raj Singh, Ramakrishna Aluru, Yong Liu, Chengtian Lin, and Peter Wahl

Phys. Rev. B 91, 161111(R) (2015) - Published 24 April, 2015

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

Transport studies of electron-hole and spin-orbit interaction in GaSb/InAsSb core-shell nanowire quantum dots

Bahram Ganjipour, Martin Leijnse, Lars Samuelson, H. Q. Xu, and Claes Thelander

Phys. Rev. B 91, 161301(R) (2015) - Published 8 April, 2015

Phonon-assisted robust and deterministic two-photon biexciton preparation in a quantum dot

S. Bounouar, M. Müller, A. M. Barth, M. Glässl, V. M. Axt, and P. Michler

Phys. Rev. B 91, 161302(R) (2015) - Published 9 April, 2015

Image excitons and plasmon-exciton strong coupling in two-dimensional perovskite semiconductors

Wendy Niu, Lindsey A. Ibbotson, David Leipold, Erich Runge, G. Vijaya Prakash, and Jeremy J. Baumberg

Phys. Rev. B 91, 161303(R) (2015) - Published 10 April, 2015

Controlling the Schottky barrier at MoS2/metal contacts by inserting a BN monolayer

Mojtaba Farmanbar and Geert Brocks

Phys. Rev. B 91, 161304(R) (2015) - Published 17 April, 2015

Spin correlations in quantum wires

Chen Sun and Valery L. Pokrovsky

Phys. Rev. B 91, 161305(R) (2015) - Published 24 April, 2015

Spin-polarized quantum well states on Bi2xFexSe3

Michael M. Yee, Z.-H. Zhu, Anjan Soumyanarayanan, Yang He, Can-Li Song, Ekaterina Pomjakushina, Zaher Salman, Amit Kanigel, Kouji Segawa, Yoichi Ando, and Jennifer E. Hoffman

Phys. Rev. B 91, 161306(R) (2015) - Published 24 April, 2015

Spin waves in semiconductor microcavities

M. M. Glazov and A. V. Kavokin

Phys. Rev. B 91, 161307(R) (2015) - Published 29 April, 2015

Surface physics, nanoscale physics, low-dimensional systems

Emergence of ferroelectricity and spin-valley properties in two-dimensional honeycomb binary compounds

Domenico Di Sante, Alessandro Stroppa, Paolo Barone, Myung-Hwan Whangbo, and Silvia Picozzi

Phys. Rev. B 91, 161401(R) (2015) - Published 6 April, 2015

First-principles calculations presented in this Rapid Communication suggest that a number of AB binary honeycomb monolayers should be ferroelectric. Dipoles arise from the buckled structure, and the polarization reversal occurs via switching the structural buckling which can be triggered by an external electric field. The authors address the emerging valley-dependent properties arising from the ferroelectric bistability and explore the intimate link between ferroelectricity, spin-valley physics, and Rashba spin-splitting phenomena.

Vibronic spectroscopy using current noise

Yoshihiro Asai

Phys. Rev. B 91, 161402(R) (2015) - Published 7 April, 2015

Tunable terahertz frequency comb generation using time-dependent graphene sheets

Vincent Ginis, Philippe Tassin, Thomas Koschny, and Costas M. Soukoulis

Phys. Rev. B 91, 161403(R) (2015) - Published 8 April, 2015

In addition to its extraordinary mechanical, thermal and electrical properties, graphene shows great potential in manipulating electromagnetic fields. One of the main advantages of graphene compared to other materials is the extraordinary tunability of its conductivity, which can be achieved electrically by means of a back gate, or optically through the excitation of photocarriers. Scientists from Belgium, Sweden and the United States demonstrate that this tunability of graphene can be used in a novel setup for the generation of frequency combs. Traditionally, frequency combs are generated using nonlinear materials. The researchers studied the interaction between light and time-dependent graphene sheets, including both dispersion and explicit time-dependence of the conductivity. Based on this model, they demonstrated that frequency combs can be generated without material nonlinearities. Indeed, at terahertz frequencies it is possible to modulate the linear, time-dependent conductivity of graphene to obtain a large variety of frequency combs.

Strain-induced metal-semiconductor transition in monolayers and bilayers of gray arsenic: A computational study

Zhen Zhu, Jie Guan, and David Tománek

Phys. Rev. B 91, 161404(R) (2015) - Published 9 April, 2015

Analytical approach to swift nonleaky entangling gates in superconducting qubits

Sophia E. Economou and Edwin Barnes

Phys. Rev. B 91, 161405(R) (2015) - Published 9 April, 2015

Surface band structure of Bi1xSbx(111)

Hadj M. Benia, Carola Straßer, Klaus Kern, and Christian R. Ast

Phys. Rev. B 91, 161406(R) (2015) - Published 13 April, 2015

The much debated topology of Bi1-xSbx has been resolved in this very careful and thorough experiment. The authors optimized the Bi1-xSbx growth method and minimized surface imperfections. They performed direct measurements of the surface band structure and followed its evolution within a large window of Sb concentration. They did not detect a third surface band seen in previous experiments. Thus, they conclude that the experimental surface band structure of B1-xSbx in the topologically insulating regime now agrees well with the theoretical predictions.

Local sublattice symmetry breaking for graphene with a centrosymmetric deformation

M. Schneider, D. Faria, S. Viola Kusminskiy, and N. Sandler

Phys. Rev. B 91, 161407(R) (2015) - Published 15 April, 2015

Why graphene growth is very different on the C face than on the Si face of SiC: Insights from surface equilibria and the (3×3)3CSiC(1¯1¯1¯) reconstruction

Lydia Nemec, Florian Lazarevic, Patrick Rinke, Matthias Scheffler, and Volker Blum

Phys. Rev. B 91, 161408(R) (2015) - Published 17 April, 2015

Investigation of electron-phonon coupling in epitaxial silicene by in situ Raman spectroscopy

Jincheng Zhuang, Xun Xu, Yi Du, Kehui Wu, Lan Chen, Weichang Hao, Jiaou Wang, Wai Kong Yeoh, Xiaolin Wang, and Shi Xue Dou

Phys. Rev. B 91, 161409(R) (2015) - Published 23 April, 2015

Excited states at interfaces of a metal-supported ultrathin oxide film

T. Jaouen, E. Razzoli, C. Didiot, G. Monney, B. Hildebrand, F. Vanini, M. Muntwiler, and P. Aebi

Phys. Rev. B 91, 161410(R) (2015) - Published 23 April, 2015

Surface states in lightly hole-doped sodium cobaltate Na1yCoO2

Meng-Yu Yao, Lin Miao, N. L. Wang, J. H. Dil, M. Z. Hasan, D. D. Guan, C. L. Gao, Canhua Liu, Dong Qian, and Jin-feng Jia

Phys. Rev. B 91, 161411(R) (2015) - Published 24 April, 2015

Incipient triple point for adsorbed xenon monolayers: Pt(111) versus graphite substrates

Anthony D. Novaco, L. W. Bruch, and Jessica Bavaresco

Phys. Rev. B 91, 161412(R) (2015) - Published 27 April, 2015

Topological polaritons and excitons in garden-variety systems

Charles-Edouard Bardyn, Torsten Karzig, Gil Refael, and Timothy C. H. Liew

Phys. Rev. B 91, 161413(R) (2015) - Published 29 April, 2015

ARTICLES

Electronic structure and strongly correlated systems

Electronic structure of Ce2RhIn8: A two-dimensional heavy-fermion system studied by angle-resolved photoemission spectroscopy

Rui Jiang, Daixing Mou, Chang Liu, Xin Zhao, Yongxin Yao, Hyejin Ryu, C. Petrovic, Kai-Ming Ho, and Adam Kaminski

Phys. Rev. B 91, 165101 (2015) - Published 1 April, 2015

Fractionalization, entanglement, and separation: Understanding the collective excitations in a spin-orbital chain

Cheng-Chien Chen, Michel van Veenendaal, Thomas P. Devereaux, and Krzysztof Wohlfeld

Phys. Rev. B 91, 165102 (2015) - Published 2 April, 2015

Stoichiometry dependence of potential screening at La(1δ)Al(1+δ)O3/SrTiO3 interfaces

Conan Weiland, George E. Sterbinsky, Abdul K. Rumaiz, C. Stephen Hellberg, Joseph C. Woicik, Shaobo Zhu, and Darrell G. Schlom

Phys. Rev. B 91, 165103 (2015) - Published 3 April, 2015

Theoretical limits of thermoelectric figure of merit in n-type TiO2 polymorphs

Dylan Bayerl and Emmanouil Kioupakis

Phys. Rev. B 91, 165104 (2015) - Published 3 April, 2015

Weyl semimetal from spontaneous inversion symmetry breaking in pyrochlore oxides

Tomáš Bzdušek, Andreas Rüegg, and Manfred Sigrist

Phys. Rev. B 91, 165105 (2015) - Published 6 April, 2015

Most of the previously suggested scenarios for the realization of Weyl semimetal on a pyrochlore lattice require breaking of time-reversal symmetry. In this study the authors show that spontaneous deformations of the crystal that break the inversion symmetry can stabilize this phase as well. They demonstrate that in the temperature-elasticity phase diagram Weyl semimetal shows a reentrant behavior.

Spontaneous layer polarization and conducting domain walls in the quantum Hall regime of bilayer graphene

Kusum Dhochak, Efrat Shimshoni, and Erez Berg

Phys. Rev. B 91, 165107 (2015) - Published 6 April, 2015

Fermionic quantum criticality in honeycomb and π-flux Hubbard models: Finite-size scaling of renormalization-group-invariant observables from quantum Monte Carlo

Francesco Parisen Toldin, Martin Hohenadler, Fakher F. Assaad, and Igor F. Herbut

Phys. Rev. B 91, 165108 (2015) - Published 6 April, 2015

Superconducting properties of sulfur-doped iron selenide

Mahmoud Abdel-Hafiez, Yuan-Yuan Zhang, Zi-Yu Cao, Chun-Gang Duan, G. Karapetrov, V. M. Pudalov, V. A. Vlasenko, A. V. Sadakov, D. A. Knyazev, T. A. Romanova, D. A. Chareev, O. S. Volkova, A. N. Vasiliev, and Xiao-Jia Chen

Phys. Rev. B 91, 165109 (2015) - Published 6 April, 2015

Static correlation and electron localization in molecular dimers from the self-consistent RPA and GW approximation

Maria Hellgren, Fabio Caruso, Daniel R. Rohr, Xinguo Ren, Angel Rubio, Matthias Scheffler, and Patrick Rinke

Phys. Rev. B 91, 165110 (2015) - Published 7 April, 2015

X-ray magnetic circular dichroism study of the magnetic anisotropy on TbMnO3

V. Cuartero, S. Lafuerza, G. Subías, J. García, E. Schierle, J. Blasco, and J. Herrero-Albillos

Phys. Rev. B 91, 165111 (2015) - Published 7 April, 2015

Time-evolving a matrix product state with long-ranged interactions

Michael P. Zaletel, Roger S. K. Mong, Christoph Karrasch, Joel E. Moore, and Frank Pollmann

Phys. Rev. B 91, 165112 (2015) - Published 7 April, 2015

Variational Monte Carlo simulations using tensor-product projected states

Olga Sikora, Hsueh-Wen Chang, Chung-Pin Chou, Frank Pollmann, and Ying-Jer Kao

Phys. Rev. B 91, 165113 (2015) - Published 8 April, 2015

Valence fluctuations and electric reconstruction in the extended Anderson model on the two-dimensional Penrose lattice

Shinichi Takemura, Nayuta Takemori, and Akihisa Koga

Phys. Rev. B 91, 165114 (2015) - Published 9 April, 2015

Band mapping of the weakly off-stoichiometric Heusler alloy Ni49.7Mn29.1Ga21.2 in the austenitic phase

Y. Polyak, V. Drchal, J. Kudrnovský, O. Heczko, J. Honolka, V. Cháb, J. Kopeček, and J. Lančok

Phys. Rev. B 91, 165115 (2015) - Published 9 April, 2015

Numerical subgap spectroscopy of double quantum dots coupled to superconductors

Rok Žitko

Phys. Rev. B 91, 165116 (2015) - Published 9 April, 2015

Efficient linear scaling approach for computing the Kubo Hall conductivity

Frank Ortmann, Nicolas Leconte, and Stephan Roche

Phys. Rev. B 91, 165117 (2015) - Published 10 April, 2015

Band bending and alignment at the spinel/perovskite γAl2O3/SrTiO3 heterointerface

P. Schütz, F. Pfaff, P. Scheiderer, Y. Z. Chen, N. Pryds, M. Gorgoi, M. Sing, and R. Claessen

Phys. Rev. B 91, 165118 (2015) - Published 10 April, 2015

Topological invariants for gauge theories and symmetry-protected topological phases

Chenjie Wang and Michael Levin

Phys. Rev. B 91, 165119 (2015) - Published 15 April, 2015

According to a recent theoretical conjecture for a classification of symmetry protected topological (SPT) phases which can arise in a collection of lattice boson models called group cohomology models, each model belongs to a distinct SPT phase, and each SPT phase can be realized by a model. Here the authors show that for SPT phases with symmetry groups that are finite, Abelian, and unitary, each group cohomology model can be characterized by a unique set of topological invariants and therefore belongs to a distinct SPT phase. In two dimensions it is further shown that the complete set of group cohomology models accounts for all SPT phases, while in three dimensions evidence pointing toward such a proof is found.

Kondo effect in a topological insulator quantum dot

Xianhao Xin and Di Zhou

Phys. Rev. B 91, 165120 (2015) - Published 17 April, 2015

Comparison between exact and semilocal exchange potentials: An all-electron study for solids

Fabien Tran, Peter Blaha, Markus Betzinger, and Stefan Blügel

Phys. Rev. B 91, 165121 (2015) - Published 17 April, 2015

Biquadratic and ring exchange interactions in orthorhombic perovskite manganites

Natalya S. Fedorova, Claude Ederer, Nicola A. Spaldin, and Andrea Scaramucci

Phys. Rev. B 91, 165122 (2015) - Published 17 April, 2015

Enhanced electron correlations at the SrxCa1xVO3 surface

J. Laverock, J. Kuyyalil, B. Chen, R. P. Singh, B. Karlin, J. C. Woicik, G. Balakrishnan, and K. E. Smith

Phys. Rev. B 91, 165123 (2015) - Published 20 April, 2015

First-principles calculation of the bulk photovoltaic effect in KNbO3 and (K,Ba)(Ni,Nb)O3δ

Fenggong Wang and Andrew M. Rappe

Phys. Rev. B 91, 165124 (2015) - Published 21 April, 2015

Separation of transport lifetimes in SrTiO3-based two-dimensional electron liquids

Evgeny Mikheev, Christopher R. Freeze, Brandon J. Isaac, Tyler A. Cain, and Susanne Stemmer

Phys. Rev. B 91, 165125 (2015) - Published 21 April, 2015

First-principles study of the Kondo physics of a single Pu impurity in a Th host

Jian-Xin Zhu, R. C. Albers, K. Haule, and J. M. Wills

Phys. Rev. B 91, 165126 (2015) - Published 23 April, 2015

Renormalization of spectra by phase competition in the half-filled Hubbard-Holstein model

E. A. Nowadnick, S. Johnston, B. Moritz, and T. P. Devereaux

Phys. Rev. B 91, 165127 (2015) - Published 23 April, 2015

Spin dynamics of the bilinear-biquadratic S=1 Heisenberg model on the triangular lattice: A quantum Monte Carlo study

Annika Völl and Stefan Wessel

Phys. Rev. B 91, 165128 (2015) - Published 23 April, 2015

Multiscale entanglement renormalization ansatz for spin chains with continuously varying criticality

Jacob C. Bridgeman, Aroon O'Brien, Stephen D. Bartlett, and Andrew C. Doherty

Phys. Rev. B 91, 165129 (2015) - Published 24 April, 2015

Phonon softenings and the charge density wave instability in R2O2Sb (R=rareearth element)

Heejung Kim, Chang-Jong Kang, Kyoo Kim, J. H. Shim, and B. I. Min

Phys. Rev. B 91, 165130 (2015) - Published 24 April, 2015

Model for overscreened Kondo effect in ultracold Fermi gas

I. Kuzmenko, T. Kuzmenko, Y. Avishai, and K. Kikoin

Phys. Rev. B 91, 165131 (2015) - Published 27 April, 2015

Calculating linear-response functions for finite temperatures on the basis of the alloy analogy model

H. Ebert, S. Mankovsky, K. Chadova, S. Polesya, J. Minár, and D. Ködderitzsch

Phys. Rev. B 91, 165132 (2015) - Published 27 April, 2015

Breakdown of three-dimensional Dirac semimetal state in pressurized Cd3As2

Shan Zhang et al.

Phys. Rev. B 91, 165133 (2015) - Published 27 April, 2015

Hidden physics in the dual-fermion approach: A special case of a nonlocal expansion scheme

Gang Li

Phys. Rev. B 91, 165134 (2015) - Published 28 April, 2015

Gap scaling at Berezinskii-Kosterlitz-Thouless quantum critical points in one-dimensional Hubbard and Heisenberg models

M. Dalmonte, J. Carrasquilla, L. Taddia, E. Ercolessi, and M. Rigol

Phys. Rev. B 91, 165136 (2015) - Published 29 April, 2015

Robust flat bands in RCo5 (R=rare earth) compounds

Masayuki Ochi, Ryotaro Arita, Munehisa Matsumoto, Hiori Kino, and Takashi Miyake

Phys. Rev. B 91, 165137 (2015) - Published 29 April, 2015

Fermi arcs, pseudogap, and collective excitations in doped Sr2IrO4: A generalized fluctuation exchange study

Hu Wang, Shun-Li Yu, and Jian-Xin Li

Phys. Rev. B 91, 165138 (2015) - Published 30 April, 2015

Pinball liquid phase from Hund's coupling in frustrated transition-metal oxides

Arnaud Ralko, Jaime Merino, and Simone Fratini

Phys. Rev. B 91, 165139 (2015) - Published 30 April, 2015

Topology of density matrices

Jan Carl Budich and Sebastian Diehl

Phys. Rev. B 91, 165140 (2015) - Published 30 April, 2015

Can topologically non-trivial states, such as those in topological insulators and superconductors, arise in the mixed states of open quantum systems? By imposing special constraints on the gauge structure of the density matrices which describe open quantum systems, the authors find non-trivial topological invariants showing that topological phenomena can be generalized to mixed states. The method is illustrated with an analysis of Chern insulators at finite temperature.

Lattice distortion associated with Fermi-surface reconstruction in Sr3Rh4Sn13

C. N. Kuo, C. W. Tseng, C. M. Wang, C. Y. Wang, Y. R. Chen, L. M. Wang, C. F. Lin, K. K. Wu, Y. K. Kuo, and C. S. Lue

Phys. Rev. B 91, 165141 (2015) - Published 30 April, 2015

Multiple scattering theory for superconducting heterostructures

Gábor Csire, Balázs Újfalussy, József Cserti, and Balázs Győrffy

Phys. Rev. B 91, 165142 (2015) - Published 30 April, 2015

Semiconductors I: bulk

State-selective intersystem crossing in nitrogen-vacancy centers

M. L. Goldman, M. W. Doherty, A. Sipahigil, N. Y. Yao, S. D. Bennett, N. B. Manson, A. Kubanek, and M. D. Lukin

Phys. Rev. B 91, 165201 (2015) - Published 8 April, 2015

Motivated by recent measurements of state-selective intersystem crossing (ISC) in the nitrogen-vacancy (NV) center in diamond (see companion PRL), a new microscopic model is developed of the key ISC mechanism. These nonradiative transitions between states of different spin multiplicity are pivotal in the optical initialization and readout of the NV center’s electronic spin, which has created a diverse range of room-temperature applications in metrology and quantum information science.

Infrared probe of the bulk insulating response in Bi2xSbxTe3ySey topological insulator alloys

K. W. Post, Y. S. Lee, B. C. Chapler, A. A. Schafgans, Mario Novak, A. A. Taskin, Kouji Segawa, M. D. Goldflam, H. T. Stinson, Yoichi Ando, and D. N. Basov

Phys. Rev. B 91, 165202 (2015) - Published 16 April, 2015

Effect of the Pauli principle on photoelectron spin transport in p+ GaAs

F. Cadiz, D. Paget, A. C. H. Rowe, T. Amand, P. Barate, and S. Arscott

Phys. Rev. B 91, 165203 (2015) - Published 17 April, 2015

Radiative properties of multicarrier bound excitons in GaAs

Todd Karin, Russell J. Barbour, Charles Santori, Yoshihisa Yamamoto, Yoshiro Hirayama, and Kai-Mei C. Fu

Phys. Rev. B 91, 165204 (2015) - Published 20 April, 2015

ΔB mechanism for fringe-field organic magnetoresistance

M. Cox, S. P. Kersten, J. M. Veerhoek, P. Bobbert, and B. Koopmans

Phys. Rev. B 91, 165205 (2015) - Published 23 April, 2015

First-principles study of codoping in lanthanum bromide

Paul Erhart, Babak Sadigh, André Schleife, and Daniel Åberg

Phys. Rev. B 91, 165206 (2015) - Published 30 April, 2015

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

Coulomb interaction effects in a two-dimensional quantum well with spin-orbit interaction

Jeremy Capps, D. C. Marinescu, and Andrei Manolescu

Phys. Rev. B 91, 165301 (2015) - Published 7 April, 2015

Effects of Coulomb interaction on photon-assisted current noise through a quantum dot

Takafumi J. Suzuki and Takeo Kato

Phys. Rev. B 91, 165302 (2015) - Published 13 April, 2015

Low-strain Si/O superlattices with tunable electronic properties: Ab initio calculations

Kengo Nishio, Anh Khoa Augustin Lu, and Geoffrey Pourtois

Phys. Rev. B 91, 165303 (2015) - Published 16 April, 2015

Electrically tunable hole g factor of an optically active quantum dot for fast spin rotations

Jonathan H. Prechtel, Franziska Maier, Julien Houel, Andreas V. Kuhlmann, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Richard J. Warburton

Phys. Rev. B 91, 165304 (2015) - Published 20 April, 2015

Topological central charge from Berry curvature: Gravitational anomalies in trial wave functions for topological phases

Barry Bradlyn and N. Read

Phys. Rev. B 91, 165306 (2015) - Published 20 April, 2015

The topological central charge is a property that takes the same value throughout a topological phase of matter. In this work authors show how to compute topological central charge as a Berry curvature associated with position-dependent changes in the spatial metric in the bulk of the system.

One-dimensional spin texture of Bi(441): Quantum spin Hall properties without a topological insulator

M. Bianchi, F. Song, S. Cooil, Å. F. Monsen, E. Wahlström, J. A. Miwa, E. D. L. Rienks, D. A. Evans, A. Strozecka, J. I. Pascual, M. Leandersson, T. Balasubramanian, Ph. Hofmann, and J. W. Wells

Phys. Rev. B 91, 165307 (2015) - Published 21 April, 2015

Frenkel-like Wannier-Mott excitons in few-layer PbI2

Alexis S. Toulouse, Benjamin P. Isaacoff, Guangsha Shi, Marie Matuchová, Emmanouil Kioupakis, and Roberto Merlin

Phys. Rev. B 91, 165308 (2015) - Published 24 April, 2015

Band-gap engineering of functional perovskites through quantum confinement and tunneling

Ivano E. Castelli, Mohnish Pandey, Kristian S. Thygesen, and Karsten W. Jacobsen

Phys. Rev. B 91, 165309 (2015) - Published 24 April, 2015

Optical phonon production by upconversion: Heterojunction-transmitted versus native phonons

Seungha Shin and Massoud Kaviany

Phys. Rev. B 91, 165310 (2015) - Published 27 April, 2015

Interatomic Coulombic decay in two coupled quantum wells

Tamar Goldzak, Liron Gantz, Ido Gilary, Gad Bahir, and Nimrod Moiseyev

Phys. Rev. B 91, 165312 (2015) - Published 29 April, 2015

Downconversion of terahertz radiation due to intrinsic hydrodynamic nonlinearity of a two-dimensional electron plasma

Valeria Giliberti, Alessandra Di Gaspare, Ennio Giovine, Michele Ortolani, Lucia Sorba, Giorgio Biasiol, Vyacheslav V. Popov, Denis V. Fateev, and Florestano Evangelisti

Phys. Rev. B 91, 165313 (2015) - Published 30 April, 2015

Surface physics, nanoscale physics, low-dimensional systems

Theory of nanorod antenna resonances including end-reflection phase

Wei Su, Xiangyin Li, Jens Bornemann, and Reuven Gordon

Phys. Rev. B 91, 165401 (2015) - Published 1 April, 2015

Strongly interacting Majorana fermions

Ching-Kai Chiu, D. I. Pikulin, and M. Franz

Phys. Rev. B 91, 165402 (2015) - Published 2 April, 2015

Observation of interlayer phonon modes in van der Waals heterostructures

C. H. Lui, Zhipeng Ye, Chao Ji, Kuan-Chang Chiu, Cheng-Tse Chou, Trond I. Andersen, Casie Means-Shively, Heidi Anderson, Jenn-Ming Wu, Tim Kidd, Yi-Hsien Lee, and Rui He

Phys. Rev. B 91, 165403 (2015) - Published 8 April, 2015

Electron transport in extended carbon-nanotube/metal contacts: Ab initio based Green function method

Artem Fediai, Dmitry A. Ryndyk, and Gianaurelio Cuniberti

Phys. Rev. B 91, 165404 (2015) - Published 8 April, 2015

Revealing the flux: Using processed Husimi maps to visualize dynamics of bound systems and mesoscopic transport

Douglas J. Mason, Mario F. Borunda, and Eric J. Heller

Phys. Rev. B 91, 165405 (2015) - Published 8 April, 2015

Chen's derivative rule revisited: Role of tip-orbital interference in STM

Gábor Mándi and Krisztián Palotás

Phys. Rev. B 91, 165406 (2015) - Published 9 April, 2015

Symmetry-breaking effects on spin and electronic transport in graphene

Mahmoud M. Asmar and Sergio E. Ulloa

Phys. Rev. B 91, 165407 (2015) - Published 10 April, 2015

Spin excitations of weakly coupled magnetic atoms

E. C. Goldberg and F. Flores

Phys. Rev. B 91, 165408 (2015) - Published 10 April, 2015

Evidence of the charge-density wave state in polypyrrole nanotubes

Abhisakh Sarma, Milan K. Sanyal, and Peter B. Littlewood

Phys. Rev. B 91, 165409 (2015) - Published 13 April, 2015

Low-dimensional phonon transport effects in ultranarrow disordered graphene nanoribbons

Hossein Karamitaheri, Mahdi Pourfath, Hans Kosina, and Neophytos Neophytou

Phys. Rev. B 91, 165410 (2015) - Published 13 April, 2015

Fast exciton annihilation by capture of electrons or holes by defects via Auger scattering in monolayer metal dichalcogenides

Haining Wang, Jared H. Strait, Changjian Zhang, Weimin Chan, Christina Manolatou, Sandip Tiwari, and Farhan Rana

Phys. Rev. B 91, 165411 (2015) - Published 13 April, 2015

Electron transport nonlocality in monolayer graphene modified with hydrogen silsesquioxane polymerization

A. A. Kaverzin and B. J. van Wees

Phys. Rev. B 91, 165412 (2015) - Published 13 April, 2015

Adhesion and material transfer between contacting Al and TiN surfaces from first principles

G. Feldbauer, M. Wolloch, P. O. Bedolla, P. Mohn, J. Redinger, and A. Vernes

Phys. Rev. B 91, 165413 (2015) - Published 14 April, 2015

Evidence of power law decay of superexchange coupling in a disordered two-dimensional π-electron system

K. Bagani, M. K. Ray, M. Sardar, and S. Banerjee

Phys. Rev. B 91, 165414 (2015) - Published 14 April, 2015

Mass-profile quantum dots in graphene and artificial periodic structures

A. Gutiérrez-Rubio and T. Stauber

Phys. Rev. B 91, 165415 (2015) - Published 14 April, 2015

Solitons in a one-dimensional Wigner crystal

M. Pustilnik and K. A. Matveev

Phys. Rev. B 91, 165416 (2015) - Published 16 April, 2015

Thermoelectric properties of silicene in the topological- and band-insulator states

Michał Wierzbicki, Józef Barnaś, and Renata Swirkowicz

Phys. Rev. B 91, 165417 (2015) - Published 17 April, 2015

Sputter yield of curved surfaces

Herbert M. Urbassek, R. Mark Bradley, Maureen L. Nietiadi, and Wolfhard Möller

Phys. Rev. B 91, 165418 (2015) - Published 20 April, 2015

First-principles calculation of the thermoelectric figure of merit for [2,2]paracyclophane-based single-molecule junctions

Marius Bürkle, Thomas J. Hellmuth, Fabian Pauly, and Yoshihiro Asai

Phys. Rev. B 91, 165419 (2015) - Published 20 April, 2015

Tri-Dirac surface modes in topological superconductors

Chen Fang, B. Andrei Bernevig, and Matthew J. Gilbert

Phys. Rev. B 91, 165421 (2015) - Published 20 April, 2015

Delayed-response quantum back action in nanoelectromechanical systems

S. N. Shevchenko, D. G. Rubanov, and Franco Nori

Phys. Rev. B 91, 165422 (2015) - Published 22 April, 2015

Exciton-polariton condensate induced by evaporative cooling in a three-dimensionally confined microcavity

Jian Wang, Wei Xie, Long Zhang, Dan Xu, Wenhui Liu, Jian Lu, Yinglei Wang, Jie Gu, Yan Chen, Xuechu Shen, and Zhanghai Chen

Phys. Rev. B 91, 165423 (2015) - Published 22 April, 2015

Size and dopant-concentration dependence of photoluminescence properties of ion-implanted phosphorus- and boron-codoped Si nanocrystals

Toshihiro Nakamura, Sadao Adachi, Minoru Fujii, Hiroshi Sugimoto, Kenta Miura, and Shunya Yamamoto

Phys. Rev. B 91, 165424 (2015) - Published 22 April, 2015

Interaction effects on proximity-induced superconductivity in semiconducting nanowires

J. Danon and K. Flensberg

Phys. Rev. B 91, 165425 (2015) - Published 23 April, 2015

Formation, stability, and atomic structure of the Si(111)(6×6)Au surface reconstruction: A quantitative study using synchrotron radiation

R. Daudin, T. Nogaret, A. Vaysset, T. U. Schülli, A. Pasturel, and G. Renaud

Phys. Rev. B 91, 165426 (2015) - Published 23 April, 2015

Divacancy-induced ferromagnetism in graphene nanoribbons

W. Jaskólski, Leonor Chico, and A. Ayuela

Phys. Rev. B 91, 165427 (2015) - Published 24 April, 2015

Density-functional calculation of static screening in two-dimensional materials: The long-wavelength dielectric function of graphene

Thibault Sohier, Matteo Calandra, and Francesco Mauri

Phys. Rev. B 91, 165428 (2015) - Published 27 April, 2015

Band alignment switching and the interaction between neighboring silicon nanocrystals embedded in a SiC matrix

V. Kocevski, O. Eriksson, and J. Rusz

Phys. Rev. B 91, 165429 (2015) - Published 27 April, 2015

Valley-polarized quantum anomalous Hall phases and tunable topological phase transitions in half-hydrogenated Bi honeycomb monolayers

Cheng-Cheng Liu, Jin-Jian Zhou, and Yugui Yao

Phys. Rev. B 91, 165430 (2015) - Published 27 April, 2015

Heat asymmetries in nanoscale conductors: The role of decoherence and inelasticity

Javier Argüello-Luengo, David Sánchez, and Rosa López

Phys. Rev. B 91, 165431 (2015) - Published 27 April, 2015

Microscopic models for charge-noise-induced dephasing of solid-state qubits

Félix Beaudoin and W. A. Coish

Phys. Rev. B 91, 165432 (2015) - Published 29 April, 2015

Relative stability and local curvature analysis in carbon nanotori

Chern Chuang, Jie Guan, David Witalka, Zhen Zhu, Bih-Yaw Jin, and David Tománek

Phys. Rev. B 91, 165433 (2015) - Published 29 April, 2015

Electronic properties of B-C-N ternary kagome lattices

Yuki Sakai, Susumu Saito, and Marvin L. Cohen

Phys. Rev. B 91, 165434 (2015) - Published 29 April, 2015

Spin texture and mirror Chern number in Hg-based chalcogenides

Qing-Ze Wang, Shu-Chun Wu, Claudia Felser, Binghai Yan, and Chao-Xing Liu

Phys. Rev. B 91, 165435 (2015) - Published 30 April, 2015

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