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HIGHLIGHTED ARTICLES

Beam engineering for selective and enhanced coupling to multipolar resonances

Tanya Das, Prasad P. Iyer, Ryan A. DeCrescent, and Jon A. Schuller

Phys. Rev. B 92, 241110(R) (2015) - Published 14 December, 2015

The ability to control multipolar light-matter interactions in metamaterials and other photonic systems has traditionally relied on engineering the physical properties of the resonators. In this paper, the authors follow the reverse approach. By tailoring the optical beam that illuminates a spherical nanoparticle, they demonstrate selective and enhanced coupling to the optical modes excited on the nanoparticle.

Pressure-induced quantum phase transitions in a YbB6 single crystal

Yazhou Zhou, Dae-Jeong Kim, Priscila Ferrari Silveira Rosa, Qi Wu, Jing Guo, Shan Zhang, Zhe Wang, Defen Kang, Wei Yi, Yanchun Li, Xiaodong Li, Jing Liu, Peiquan Duan, Ming Zi, Xiangjun Wei, Zheng Jiang, Yuying Huang, Yi-feng Yang, Zachary Fisk, Liling Sun, and Zhongxian Zhao

Phys. Rev. B 92, 241118(R) (2015) - Published 29 December, 2015

The first observation of two pressure-induced quantum phase transitions in a YbB6 single crystal is reported. This material is currently of much interest as there is conflicting experimental support for it belonging to a new class of topological insulators. Based on the results here the authors conclude that while at ambient-pressure YbB6 is topologically trivial, a newly found high-pressure gapped phase could be topologically nontrivial, although a partially gapped semimetal state has also been suggested. This interesting phase deserves further investigation.

Efficient formation of excitons in a dense electron-hole plasma at room temperature

Andreas Hangleiter, Zuanming Jin, Marina Gerhard, Dimitry Kalincev, Torsten Langer, Heiko Bremers, Uwe Rossow, Martin Koch, Mischa Bonn, and Dmitry Turchinovich

Phys. Rev. B 92, 241305(R) (2015) - Published 28 December, 2015

Room-temperature electronic properties of semiconductors, especially in the case of higher charge densities, are commonly discussed in terms of single-particle excitations – free electrons and holes. Many-particle effects, such as the formation of excitons (Coulomb-bound electron-hole pairs), are usually seen as low-temperature and low-density phenomena. In this paper, using ultrafast terahertz and photoluminescence measurements, the authors find that under certain conditions typical for wide-band-gap semiconductors, the radiative excitons can be efficiently formed at high charge density and at room temperature. This effect is believed to contribute to the extraordinarily high quantum efficiency of group III nitride light emitters.

Ab initio downfolding for electron-phonon-coupled systems: Constrained density-functional perturbation theory

Yusuke Nomura and Ryotaro Arita

Phys. Rev. B 92, 245108 (2015) - Published 7 December, 2015

The problem of electron-phonon interactions in strongly correlated systems is addressed by a new method which establishes a rigorous link between \textit{ab initio} density functional perturbation theory and low-energy model Hamiltonians. This allows the construction of model Hamiltonians for strongly correlated systems in a predictable and quantitative way, with respect to material oriented applications, especially where both electron-electron and electron-phonon couplings have the same magnitude. This could lead either to a competition or a cooperation between the two interactions, and stabilize interesting phases such as superconductivity in fullerenes.

Quantifying electronic correlation strength in a complex oxide: A combined DMFT and ARPES study of LaNiO3

E. A. Nowadnick, J. P. Ruf, H. Park, P. D. C. King, D. G. Schlom, K. M. Shen, and A. J. Millis

Phys. Rev. B 92, 245109 (2015) - Published 7 December, 2015

The electronic correlation strength – which is a defining property of correlated materials such as LaNiO3 – is studied in this manuscript experimentally, using angle-resolved photoemission spectroscopy, and theoretically, via density functional and dynamical mean field theory calculations. By carefully comparing the experiment and theory, the authors aim to quantify how accurately the DFT+DMFT approach can describe the correlated physics in LaNiO3. This is important because a precise knowledge of the predictive capabilities of the theory will aid in engineering new emergent properties in the nickelates.

Interaction correction to the magnetoelectric polarizability of Z2 topological insulators

Karin Everschor-Sitte, Matthias Sitte, and Allan H. MacDonald

Phys. Rev. B 92, 245118 (2015) - Published 10 December, 2015

It is usually assumed that the magnetoelectric polarizability, which belongs to a broad family of topological magnetoelectric effects, is exactly quantized based on general topological arguments. By evaluating the Hall conductivity of surface states described by a massive Dirac model, the authors show that there is in fact a nonuniversal interaction correction to the quantized magnetoelectric coefficient of thin films formed from topological insulators.

Excitons in van der Waals heterostructures: The important role of dielectric screening

S. Latini, T. Olsen, and K. S. Thygesen

Phys. Rev. B 92, 245123 (2015) - Published 17 December, 2015

van der Waals heterostructures, created by stacking two-dimensional materials, represent a novel and largely unexplored class of materials with very interesting optoelectronic properties. Excitons, strongly bound electron-hole pairs, play a crucial role in determining these properties, especially in 2D materials where the electron-hole binding is strong. However, a complete understanding of excitonic effects in 2D layered materials, i.e., when the electronic system transitions from a 2D geometry to a 3D one, is still missing. Here, the authors present a first-principles based multiscale method that attempts to fill this gap. With the help of their framework, one can predict the optoelectronics properties of van der Waals heterostructures and make a closer connection between the available theoretical models and experimental measurements in these materials.

Enhanced light emission from top-emitting organic light-emitting diodes by optimizing surface plasmon polariton losses

Cornelius Fuchs, Paul-Anton Will, Martin Wieczorek, Malte C. Gather, Simone Hofmann, Sebastian Reineke, Karl Leo, and Reinhard Scholz

Phys. Rev. B 92, 245306 (2015) - Published 11 December, 2015

Increasing the external quantum efficiency is currently an important goal in organic light-emitting diodes (OLED) research. Utilizing an altered optical design that involves a low refractive index hole transport layer in a monochrome green top-emitting OLED, the authors have managed to shift the surface plasmon polariton dispersion relation, which in turn decreases the power dissipated into lost evanescent excitations, thus enhancing the external quantum efficiency.

Landau-Zener interference at bichromatic driving

Florian Forster, Max Mühlbacher, Ralf Blattmann, Dieter Schuh, Werner Wegscheider, Stefan Ludwig, and Sigmund Kohler

Phys. Rev. B 92, 245422 (2015) - Published 15 December, 2015

The current through a driven two-level system, here realized in a double quantum dot, is determined by the phases acquired between avoided crossings. As a function of the detuning and the driving amplitude, it exhibits a characteristic interference pattern both in real space and in Fourier space. The authors demonstrate theoretically and experimentally the case of bichromatic driving creating fundamental relations between commensurability and symmetry properties.

RAPID COMMUNICATIONS

Electronic structure and strongly correlated systems

Non-Fermi-liquid nature and exotic thermoelectric power in the heavy-fermion superconductor UBe13

Yusei Shimizu, Alexandre Pourret, Georg Knebel, Alexandra Palacio-Morales, and Dai Aoki

Phys. Rev. B 92, 241101(R) (2015) - Published 2 December, 2015

Characterizing featureless Mott insulating state by quasiparticle interference: A dynamical mean field theory view

Shantanu Mukherjee and Wei-Cheng Lee

Phys. Rev. B 92, 241102(R) (2015) - Published 3 December, 2015

RKKY interaction of magnetic impurities in Dirac and Weyl semimetals

Hao-Ran Chang, Jianhui Zhou, Shi-Xiong Wang, Wen-Yu Shan, and Di Xiao

Phys. Rev. B 92, 241103(R) (2015) - Published 3 December, 2015

Interface between heavy fermions and normal electrons investigated by spatially resolved nuclear magnetic resonance

Takayoshi Yamanaka, Masaaki Shimozawa, Ryota Endo, Yuta Mizukami, Hiroaki Shishido, Takahito Terashima, Takasada Shibauchi, Yuji Matsuda, and Kenji Ishida

Phys. Rev. B 92, 241105(R) (2015) - Published 8 December, 2015

Matrix-product-state method with a dynamical local basis optimization for bosonic systems out of equilibrium

C. Brockt, F. Dorfner, L. Vidmar, F. Heidrich-Meisner, and E. Jeckelmann

Phys. Rev. B 92, 241106(R) (2015) - Published 9 December, 2015

Local representation of the electronic dielectric response function

Xiaochuan Ge and Deyu Lu

Phys. Rev. B 92, 241107(R) (2015) - Published 11 December, 2015

Optical evidence for a Weyl semimetal state in pyrochlore Eu2Ir2O7

A. B. Sushkov, J. B. Hofmann, G. S. Jenkins, J. Ishikawa, S. Nakatsuji, S. Das Sarma, and H. D. Drew

Phys. Rev. B 92, 241108(R) (2015) - Published 14 December, 2015

Unidirectional transport in electronic and photonic Weyl materials by Dirac mass engineering

Ren Bi and Zhong Wang

Phys. Rev. B 92, 241109(R) (2015) - Published 14 December, 2015

Beam engineering for selective and enhanced coupling to multipolar resonances

Tanya Das, Prasad P. Iyer, Ryan A. DeCrescent, and Jon A. Schuller

Phys. Rev. B 92, 241110(R) (2015) - Published 14 December, 2015

The ability to control multipolar light-matter interactions in metamaterials and other photonic systems has traditionally relied on engineering the physical properties of the resonators. In this paper, the authors follow the reverse approach. By tailoring the optical beam that illuminates a spherical nanoparticle, they demonstrate selective and enhanced coupling to the optical modes excited on the nanoparticle.

Efficient and long-lived Zeeman-sublevel atomic population storage in an erbium-doped glass fiber

Erhan Saglamyurek, Thomas Lutz, Lucile Veissier, Morgan P. Hedges, Charles W. Thiel, Rufus L. Cone, and Wolfgang Tittel

Phys. Rev. B 92, 241111(R) (2015) - Published 14 December, 2015

Control of exciton transport using quantum interference

Mark T. Lusk, Charles A. Stafford, Jeramy D. Zimmerman, and Lincoln D. Carr

Phys. Rev. B 92, 241112(R) (2015) - Published 15 December, 2015

Electron spin resonance modes in a strong-leg ladder in the Tomonaga-Luttinger liquid phase

M. Ozerov, M. Maksymenko, J. Wosnitza, A. Honecker, C. P. Landee, M. M. Turnbull, S. C. Furuya, T. Giamarchi, and S. A. Zvyagin

Phys. Rev. B 92, 241113(R) (2015) - Published 16 December, 2015

Glass-ferroic composite caused by the crystallization of ferroic glass

Yuanchao Ji, Xiangdong Ding, Dong Wang, Kazuhiro Otsuka, and Xiaobing Ren

Phys. Rev. B 92, 241114(R) (2015) - Published 22 December, 2015

Proposed platform to study interaction-enabled topological phases with fermionic particles

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

Phys. Rev. B 92, 241115(R) (2015) - Published 23 December, 2015

Vector optical activity in the Weyl semimetal TaAs

M. R. Norman

Phys. Rev. B 92, 241116(R) (2015) - Published 28 December, 2015

Local probing of nuclear bath polarization with a single electronic spin

P. London, R. Fischer, I. Alvizu, J. R. Maze, and D. Gershoni

Phys. Rev. B 92, 241117(R) (2015) - Published 28 December, 2015

Pressure-induced quantum phase transitions in a YbB6 single crystal

Yazhou Zhou, Dae-Jeong Kim, Priscila Ferrari Silveira Rosa, Qi Wu, Jing Guo, Shan Zhang, Zhe Wang, Defen Kang, Wei Yi, Yanchun Li, Xiaodong Li, Jing Liu, Peiquan Duan, Ming Zi, Xiangjun Wei, Zheng Jiang, Yuying Huang, Yi-feng Yang, Zachary Fisk, Liling Sun, and Zhongxian Zhao

Phys. Rev. B 92, 241118(R) (2015) - Published 29 December, 2015

The first observation of two pressure-induced quantum phase transitions in a YbB6 single crystal is reported. This material is currently of much interest as there is conflicting experimental support for it belonging to a new class of topological insulators. Based on the results here the authors conclude that while at ambient-pressure YbB6 is topologically trivial, a newly found high-pressure gapped phase could be topologically nontrivial, although a partially gapped semimetal state has also been suggested. This interesting phase deserves further investigation.

Semiconductors I: bulk

Direct observation of the E− resonant state in GaAs1−xBix

K. Alberi, D. A. Beaton, and A. Mascarenhas

Phys. Rev. B 92, 241201(R) (2015) - Published 14 December, 2015

Stress effects on the Raman spectrum of an amorphous material: Theory and experiment on a-Si:H

David A. Strubbe, Eric C. Johlin, Timothy R. Kirkpatrick, Tonio Buonassisi, and Jeffrey C. Grossman

Phys. Rev. B 92, 241202(R) (2015) - Published 18 December, 2015

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

Edge-state transport in graphene p−n junctions in the quantum Hall regime

Nikolai N. Klimov, Son T. Le, J. Yan, Pratik Agnihotri, Everett Comfort, Ji Ung Lee, David B. Newell, and Curt A. Richter

Phys. Rev. B 92, 241301(R) (2015) - Published 7 December, 2015

Polarization anisotropy of the emission from type-II quantum dots

P. Klenovský, D. Hemzal, P. Steindl, M. Zíková, V. Křápek, and J. Humlíček

Phys. Rev. B 92, 241302(R) (2015) - Published 15 December, 2015

Hydrogenation-induced atomic stripes on the 2H−MoS2 surface

Sang Wook Han, Won Seok Yun, J. D. Lee, Y. H. Hwang, J. Baik, H. J. Shin, Wang G. Lee, Young S. Park, and Kwang S. Kim

Phys. Rev. B 92, 241303(R) (2015) - Published 22 December, 2015

Spin chemical potential bias induced surface current evidenced by spin pumping into the topological insulator Bi2Te3

Faris Basheer Abdulahad, Jin-Han Lin, Yung Liou, Wen-Kai Chiu, Liang-Juan Chang, Ming-Yi Kao, Jun-Zhi Liang, Dung-Shing Hung, and Shang-Fan Lee

Phys. Rev. B 92, 241304(R) (2015) - Published 23 December, 2015

Efficient formation of excitons in a dense electron-hole plasma at room temperature

Andreas Hangleiter, Zuanming Jin, Marina Gerhard, Dimitry Kalincev, Torsten Langer, Heiko Bremers, Uwe Rossow, Martin Koch, Mischa Bonn, and Dmitry Turchinovich

Phys. Rev. B 92, 241305(R) (2015) - Published 28 December, 2015

Room-temperature electronic properties of semiconductors, especially in the case of higher charge densities, are commonly discussed in terms of single-particle excitations – free electrons and holes. Many-particle effects, such as the formation of excitons (Coulomb-bound electron-hole pairs), are usually seen as low-temperature and low-density phenomena. In this paper, using ultrafast terahertz and photoluminescence measurements, the authors find that under certain conditions typical for wide-band-gap semiconductors, the radiative excitons can be efficiently formed at high charge density and at room temperature. This effect is believed to contribute to the extraordinarily high quantum efficiency of group III nitride light emitters.

Contrasting influence of charged impurities on transport and gain in terahertz quantum cascade lasers

Thomas Grange

Phys. Rev. B 92, 241306(R) (2015) - Published 29 December, 2015

Surface physics, nanoscale physics, low-dimensional systems

Direct transition resonance in atomically uniform topological Sb(111) thin films

Guang Bian, Caizhi Xu, Tay-Rong Chang, Xiaoxiong Wang, Saavanth Velury, Jie Ren, Hao Zheng, Horng-Tay Jeng, T. Miller, M. Zahid Hasan, and T.-C. Chiang

Phys. Rev. B 92, 241401(R) (2015) - Published 2 December, 2015

Conductivity corrections for topological insulators with spin-orbit impurities: Hikami-Larkin-Nagaoka formula revisited

P. Adroguer, Weizhe E. Liu, D. Culcer, and E. M. Hankiewicz

Phys. Rev. B 92, 241402(R) (2015) - Published 4 December, 2015

Strongly hybridized plasmon-photon modes in optoplasmonic microtubular cavities

Y. Yin, S. L. Li, S. Giudicatti, C. Y. Jiang, L. B. Ma, and O. G. Schmidt

Phys. Rev. B 92, 241403(R) (2015) - Published 7 December, 2015

Valley-based Cooper pair splitting via topologically confined channels in bilayer graphene

Alexander Schroer, Peter G. Silvestrov, and Patrik Recher

Phys. Rev. B 92, 241404(R) (2015) - Published 7 December, 2015

Intermolecular artifacts in probe microscope images of C60 assemblies

Samuel Paul Jarvis, Mohammad Abdur Rashid, Adam Sweetman, Jeremy Leaf, Simon Taylor, Philip Moriarty, and Janette Dunn

Phys. Rev. B 92, 241405(R) (2015) - Published 9 December, 2015

Polarization-dependent photocurrents in polar stacks of van der Waals solids

Y. B. Lyanda-Geller, Songci Li, and A. V. Andreev

Phys. Rev. B 92, 241406(R) (2015) - Published 9 December, 2015

Gapped excitations of unconventional fractional quantum Hall effect states in the second Landau level

U. Wurstbauer, A. L. Levy, A. Pinczuk, K. W. West, L. N. Pfeiffer, M. J. Manfra, G. C. Gardner, and J. D. Watson

Phys. Rev. B 92, 241407(R) (2015) - Published 11 December, 2015

Vibrational spectrum renormalization by enforced coupling across the van der Waals gap between MoS2 and WS2 monolayers

Wen Fan, Xi Zhu, Feng Ke, Yabin Chen, Kaichen Dong, Jie Ji, Bin Chen, Sefaattin Tongay, Joel W. Ager, Kai Liu, Haibin Su, and Junqiao Wu

Phys. Rev. B 92, 241408(R) (2015) - Published 18 December, 2015

Tunneling in graphene–topological insulator hybrid devices

H. Steinberg, L. A. Orona, V. Fatemi, J. D. Sanchez-Yamagishi, K. Watanabe, T. Taniguchi, and P. Jarillo-Herrero

Phys. Rev. B 92, 241409(R) (2015) - Published 28 December, 2015

Self-stabilizing temperature-driven crossover between topological and nontopological ordered phases in one-dimensional conductors

Bernd Braunecker and Pascal Simon

Phys. Rev. B 92, 241410(R) (2015) - Published 28 December, 2015

Measurement of electronic heat dissipation in highly disordered graphene

N. Hemsworth, F. Mahvash, P. L. Lévesque, M. Siaj, R. Martel, and T. Szkopek

Phys. Rev. B 92, 241411(R) (2015) - Published 28 December, 2015

Mimicking localized surface plasmons with dielectric particles

Alexis Devilez, Xavier Zambrana-Puyalto, Brian Stout, and Nicolas Bonod

Phys. Rev. B 92, 241412(R) (2015) - Published 28 December, 2015

ARTICLES

Electronic structure and strongly correlated systems

Precise all-electron dynamical response functions: Application to COHSEX and the RPA correlation energy

Markus Betzinger, Christoph Friedrich, Andreas Görling, and Stefan Blügel

Phys. Rev. B 92, 245101 (2015) - Published 1 December, 2015

Interaction-driven capacitance in graphene electron-hole double layer in strong magnetic fields

Bahman Roostaei

Phys. Rev. B 92, 245102 (2015) - Published 3 December, 2015

From Jeff=1/2 insulator to p-wave superconductor in single-crystal Sr2Ir1−xRuxO4 (0≤x≤1)

S. J. Yuan, S. Aswartham, J. Terzic, H. Zheng, H. D. Zhao, P. Schlottmann, and G. Cao

Phys. Rev. B 92, 245103 (2015) - Published 3 December, 2015

Magnetic and electronic states in (LaMnO3)2(SrMnO3)2 superlattice exhibiting a large negative magnetoresistance

Hironori Nakao, Takaaki Sudayama, Masato Kubota, Jun Okamoto, Yuichi Yamasaki, Youichi Murakami, Hiroyuki Yamada, Akihito Sawa, and Kazuaki Iwasa

Phys. Rev. B 92, 245104 (2015) - Published 7 December, 2015

Many-body effects in graphene beyond the Dirac model with Coulomb interaction

N. Yu. Astrakhantsev, V. V. Braguta, and M. I. Katsnelson

Phys. Rev. B 92, 245105 (2015) - Published 7 December, 2015

Time-dependent many-variable variational Monte Carlo method for nonequilibrium strongly correlated electron systems

Kota Ido, Takahiro Ohgoe, and Masatoshi Imada

Phys. Rev. B 92, 245106 (2015) - Published 7 December, 2015

Quantum phase transition triggering magnetic bound states in the continuum in graphene

L. H. Guessi, Y. Marques, R. S. Machado, K. Kristinsson, L. S. Ricco, I. A. Shelykh, M. S. Figueira, M. de Souza, and A. C. Seridonio

Phys. Rev. B 92, 245107 (2015) - Published 7 December, 2015

Ab initio downfolding for electron-phonon-coupled systems: Constrained density-functional perturbation theory

Yusuke Nomura and Ryotaro Arita

Phys. Rev. B 92, 245108 (2015) - Published 7 December, 2015

The problem of electron-phonon interactions in strongly correlated systems is addressed by a new method which establishes a rigorous link between \textit{ab initio} density functional perturbation theory and low-energy model Hamiltonians. This allows the construction of model Hamiltonians for strongly correlated systems in a predictable and quantitative way, with respect to material oriented applications, especially where both electron-electron and electron-phonon couplings have the same magnitude. This could lead either to a competition or a cooperation between the two interactions, and stabilize interesting phases such as superconductivity in fullerenes.

Quantifying electronic correlation strength in a complex oxide: A combined DMFT and ARPES study of LaNiO3

E. A. Nowadnick, J. P. Ruf, H. Park, P. D. C. King, D. G. Schlom, K. M. Shen, and A. J. Millis

Phys. Rev. B 92, 245109 (2015) - Published 7 December, 2015

The electronic correlation strength – which is a defining property of correlated materials such as LaNiO3 – is studied in this manuscript experimentally, using angle-resolved photoemission spectroscopy, and theoretically, via density functional and dynamical mean field theory calculations. By carefully comparing the experiment and theory, the authors aim to quantify how accurately the DFT+DMFT approach can describe the correlated physics in LaNiO3. This is important because a precise knowledge of the predictive capabilities of the theory will aid in engineering new emergent properties in the nickelates.

Gauge fields in graphene with nonuniform elastic deformations: A quantum field theory approach

Enrique Arias, Alexis R. Hernández, and Caio Lewenkopf

Phys. Rev. B 92, 245110 (2015) - Published 8 December, 2015

Edge states for the Kalmeyer-Laughlin wave function

Benedikt Herwerth, Germán Sierra, Hong-Hao Tu, J. Ignacio Cirac, and Anne E. B. Nielsen

Phys. Rev. B 92, 245111 (2015) - Published 8 December, 2015

Current correlations in a Majorana beam splitter

Arbel Haim, Erez Berg, Felix von Oppen, and Yuval Oreg

Phys. Rev. B 92, 245112 (2015) - Published 8 December, 2015

Covalency effects reflected in the magnetic form factor of low-dimensional cuprates

V. V. Mazurenko, I. V. Solovyev, and A. A. Tsirlin

Phys. Rev. B 92, 245113 (2015) - Published 9 December, 2015

Gapped and gapless short-range-ordered magnetic states with (12,12,12) wave vectors in the pyrochlore magnet Tb2+xTi2−xO7+δ

E. Kermarrec, D. D. Maharaj, J. Gaudet, K. Fritsch, D. Pomaranski, J. B. Kycia, Y. Qiu, J. R. D. Copley, M. M. P. Couchman, A. O. R. Morningstar, H. A. Dabkowska, and B. D. Gaulin

Phys. Rev. B 92, 245114 (2015) - Published 10 December, 2015

Impact of short-range order on transport properties of the two-dimensional metal PdCrO2

Ramzy Daou, Raymond Frésard, Sylvie Hébert, and Antoine Maignan

Phys. Rev. B 92, 245115 (2015) - Published 10 December, 2015

Interaction between x-ray and magnetic vortices

Michel van Veenendaal

Phys. Rev. B 92, 245116 (2015) - Published 10 December, 2015

Ab initio many-body Green's function calculations of optical properties of LiF at high pressures

Catalin D. Spataru, Luke Shulenburger, and Lorin X. Benedict

Phys. Rev. B 92, 245117 (2015) - Published 10 December, 2015

Interaction correction to the magnetoelectric polarizability of Z2 topological insulators

Karin Everschor-Sitte, Matthias Sitte, and Allan H. MacDonald

Phys. Rev. B 92, 245118 (2015) - Published 10 December, 2015

It is usually assumed that the magnetoelectric polarizability, which belongs to a broad family of topological magnetoelectric effects, is exactly quantized based on general topological arguments. By evaluating the Hall conductivity of surface states described by a massive Dirac model, the authors show that there is in fact a nonuniversal interaction correction to the quantized magnetoelectric coefficient of thin films formed from topological insulators.

Fractional Chern insulator phase at the transition between checkerboard and Lieb lattices

Błażej Jaworowski, Andrei Manolescu, and Paweł Potasz

Phys. Rev. B 92, 245119 (2015) - Published 14 December, 2015

Transport and magnetotransport in three-dimensional Weyl semimetals

Navneeth Ramakrishnan, Mirco Milletari, and Shaffique Adam

Phys. Rev. B 92, 245120 (2015) - Published 14 December, 2015

Synthetic helical liquids with ultracold atoms in optical lattices

J. C. Budich, C. Laflamme, F. Tschirsich, S. Montangero, and P. Zoller

Phys. Rev. B 92, 245121 (2015) - Published 14 December, 2015

Bosonic symmetry-protected topological phases with reflection symmetry

Tsuneya Yoshida, Takahiro Morimoto, and Akira Furusaki

Phys. Rev. B 92, 245122 (2015) - Published 14 December, 2015

Excitons in van der Waals heterostructures: The important role of dielectric screening

S. Latini, T. Olsen, and K. S. Thygesen

Phys. Rev. B 92, 245123 (2015) - Published 17 December, 2015

van der Waals heterostructures, created by stacking two-dimensional materials, represent a novel and largely unexplored class of materials with very interesting optoelectronic properties. Excitons, strongly bound electron-hole pairs, play a crucial role in determining these properties, especially in 2D materials where the electron-hole binding is strong. However, a complete understanding of excitonic effects in 2D layered materials, i.e., when the electronic system transitions from a 2D geometry to a 3D one, is still missing. Here, the authors present a first-principles based multiscale method that attempts to fill this gap. With the help of their framework, one can predict the optoelectronics properties of van der Waals heterostructures and make a closer connection between the available theoretical models and experimental measurements in these materials.

Flat-band ferromagnetism and spin waves in topological Hubbard models

R. L. Doretto and M. O. Goerbig

Phys. Rev. B 92, 245124 (2015) - Published 18 December, 2015

Transport through a correlated interface: Auxiliary master equation approach

Irakli Titvinidze, Antonius Dorda, Wolfgang von der Linden, and Enrico Arrigoni

Phys. Rev. B 92, 245125 (2015) - Published 21 December, 2015

Electrochemical phase diagrams for Ti oxides from density functional calculations

Liang-Feng Huang and James M. Rondinelli

Phys. Rev. B 92, 245126 (2015) - Published 21 December, 2015

Evidence for a diamondlike electronic band structure of Si multilayers on Ag(111)

S. K. Mahatha, P. Moras, P. M. Sheverdyaeva, R. Flammini, K. Horn, and C. Carbone

Phys. Rev. B 92, 245127 (2015) - Published 22 December, 2015

Fermion loops and improved power-counting in two-dimensional critical metals with singular forward scattering

Tobias Holder and Walter Metzner

Phys. Rev. B 92, 245128 (2015) - Published 22 December, 2015

Optical properties of TlNi2Se2: Observation of pseudogap formation

X. B. Wang, H. P. Wang, Hangdong Wang, Minghu Fang, and N. L. Wang

Phys. Rev. B 92, 245129 (2015) - Published 23 December, 2015

All-dielectric reciprocal bianisotropic nanoparticles

Rasoul Alaee, Mohammad Albooyeh, Aso Rahimzadegan, Mohammad S. Mirmoosa, Yuri S. Kivshar, and Carsten Rockstuhl

Phys. Rev. B 92, 245130 (2015) - Published 23 December, 2015

Ab initio computation of the transition temperature of the charge density wave transition in TiSe2

Dinh Loc Duong, Marko Burghard, and J. Christian Schön

Phys. Rev. B 92, 245131 (2015) - Published 28 December, 2015

Finite-size effects in Luther-Emery phases of Holstein and Hubbard models

J. Greitemann, S. Hesselmann, S. Wessel, F. F. Assaad, and M. Hohenadler

Phys. Rev. B 92, 245132 (2015) - Published 28 December, 2015

Optical study of BaFe2As2 under pressure: Coexistence of spin-density-wave gap and superconductivity

E. Uykur, T. Kobayashi, W. Hirata, S. Miyasaka, S. Tajima, and C. A. Kuntscher

Phys. Rev. B 92, 245133 (2015) - Published 28 December, 2015

Entanglement spectrum and entangled modes of highly excited states in random XX spin chains

Mohammad Pouranvari and Kun Yang

Phys. Rev. B 92, 245134 (2015) - Published 28 December, 2015

Valence fluctuations and empty-state resonance for Fe adatom on a surface

S. N. Iskakov, V. V. Mazurenko, M. V. Valentyuk, and A. I. Lichtenstein

Phys. Rev. B 92, 245135 (2015) - Published 28 December, 2015

Spin-lattice coupling across the singular magnetostructural transition in Pr0.5Sr0.5CoO3 by x-ray magnetic circular dichroism

J. Padilla-Pantoja, J. Herrero-Martín, E. Pellegrin, P. Gargiani, S. M. Valvidares, A. Barla, and J. L. García-Muñoz

Phys. Rev. B 92, 245136 (2015) - Published 28 December, 2015

Dynamical structure factors and excitation modes of the bilayer Heisenberg model

M. Lohöfer, T. Coletta, D. G. Joshi, F. F. Assaad, M. Vojta, S. Wessel, and F. Mila

Phys. Rev. B 92, 245137 (2015) - Published 29 December, 2015

Gauge-discontinuity contributions to Chern-Simons orbital magnetoelectric coupling

Jianpeng Liu and David Vanderbilt

Phys. Rev. B 92, 245138 (2015) - Published 30 December, 2015

Demonstrating non-Abelian statistics of Majorana fermions using twist defects

Huaixiu Zheng, Arpit Dua, and Liang Jiang

Phys. Rev. B 92, 245139 (2015) - Published 31 December, 2015

Interplay between unidirectional and bidirectional charge-density-wave orders in underdoped cuprates

Yuxuan Wang and Andrey V. Chubukov

Phys. Rev. B 92, 245140 (2015) - Published 31 December, 2015

Many-body localization proximity effect

Rahul Nandkishore

Phys. Rev. B 92, 245141 (2015) - Published 31 December, 2015

Semiconductors I: bulk

Manganese spin dephasing mechanisms in ferromagnetic (Ga,Mn)As

I. V. Krainov, V. F. Sapega, N. S. Averkiev, G. S. Dimitriev, K. H. Ploog, and E. Lähderanta

Phys. Rev. B 92, 245201 (2015) - Published 1 December, 2015

Difference in linear polarization of biaxially strained InxGa1−xN alloys on nonpolar a-plane and m-plane GaN

Siyuan Zhang, Ying Cui, James T. Griffiths, Wai Y. Fu, Christoph Freysoldt, Jörg Neugebauer, Colin J. Humphreys, and Rachel A. Oliver

Phys. Rev. B 92, 245202 (2015) - Published 1 December, 2015

Bipolar polaron pair recombination in polymer/fullerene solar cells

Alexander J. Kupijai, Konstantin M. Behringer, Florian G. Schaeble, Natalie E. Galfe, Michael Corazza, Suren A. Gevorgyan, Frederik C. Krebs, Martin Stutzmann, and Martin S. Brandt

Phys. Rev. B 92, 245203 (2015) - Published 17 December, 2015

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

Early stages of the Schottky barrier formation in submonolayer Pt on SrTiO3 (001)

Hosung Seo and Alexander A. Demkov

Phys. Rev. B 92, 245301 (2015) - Published 4 December, 2015

Observation of unconventional splitting of Landau levels in strained graphene

Si-Yu Li, Ke-Ke Bai, Long-Jing Yin, Jia-Bin Qiao, Wen-Xiao Wang, and Lin He

Phys. Rev. B 92, 245302 (2015) - Published 7 December, 2015

Multistability and spin diffusion enhanced lifetimes in dynamic nuclear polarization in a double quantum dot

F. Forster, M. Mühlbacher, D. Schuh, W. Wegscheider, G. Giedke, and S. Ludwig

Phys. Rev. B 92, 245303 (2015) - Published 7 December, 2015

Electron-electron interactions, topological phase, and optical properties of a charged artificial benzene ring

Isil Ozfidan, Milos Vladisavljevic, Marek Korkusinski, and Pawel Hawrylak

Phys. Rev. B 92, 245304 (2015) - Published 8 December, 2015

Phase diagram of a quantum Coulomb wire

G. Ferré, G. E. Astrakharchik, and J. Boronat

Phys. Rev. B 92, 245305 (2015) - Published 9 December, 2015

Enhanced light emission from top-emitting organic light-emitting diodes by optimizing surface plasmon polariton losses

Cornelius Fuchs, Paul-Anton Will, Martin Wieczorek, Malte C. Gather, Simone Hofmann, Sebastian Reineke, Karl Leo, and Reinhard Scholz

Phys. Rev. B 92, 245306 (2015) - Published 11 December, 2015

Increasing the external quantum efficiency is currently an important goal in organic light-emitting diodes (OLED) research. Utilizing an altered optical design that involves a low refractive index hole transport layer in a monochrome green top-emitting OLED, the authors have managed to shift the surface plasmon polariton dispersion relation, which in turn decreases the power dissipated into lost evanescent excitations, thus enhancing the external quantum efficiency.

Andreev transport in a correlated ferromagnet-quantum-dot-superconductor device

I. Weymann and K. P. Wójcik

Phys. Rev. B 92, 245307 (2015) - Published 14 December, 2015

Optical properties of surfaces with supercell ab initio calculations: Local-field effects

Nicolas Tancogne-Dejean, Christine Giorgetti, and Valérie Véniard

Phys. Rev. B 92, 245308 (2015) - Published 23 December, 2015

Optical spin readout method in a quantum dot using the ac Stark effect

Edward B. Flagg and Glenn S. Solomon

Phys. Rev. B 92, 245309 (2015) - Published 28 December, 2015

Oxygen-stabilized triangular defects in hexagonal boron nitride

S. P. Huber, E. Gullikson, R. W. E. van de Kruijs, F. Bijkerk, and D. Prendergast

Phys. Rev. B 92, 245310 (2015) - Published 29 December, 2015

Surface physics, nanoscale physics, low-dimensional systems

Fractional quantum Hall states versus Wigner crystals in wide quantum wells in the half-filled lowest and second Landau levels

N. Thiebaut, N. Regnault, and M. O. Goerbig

Phys. Rev. B 92, 245401 (2015) - Published 1 December, 2015

Electromagnetic energy sink

C. A. Valagiannopoulos, J. Vehmas, C. R. Simovski, S. A. Tretyakov, and S. I. Maslovski

Phys. Rev. B 92, 245402 (2015) - Published 1 December, 2015

Compensation of phonon-induced renormalization of vacuum Rabi splitting in large quantum dots: Towards temperature-stable strong coupling in the solid state with quantum dot-micropillars

C. Hopfmann, A. Musiał, M. Strauß, A. M. Barth, M. Glässl, A. Vagov, M. Strauß, C. Schneider, S. Höfling, M. Kamp, V. M. Axt, and S. Reitzenstein

Phys. Rev. B 92, 245403 (2015) - Published 3 December, 2015

Langevin dynamics of a heavy particle and orthogonality effects

Mark Thomas, Torsten Karzig, and Silvia Viola Kusminskiy

Phys. Rev. B 92, 245404 (2015) - Published 3 December, 2015

C60-induced Devil's Staircase transformation on a Pb/Si(111) wetting layer

Lin-Lin Wang, Duane D. Johnson, and Michael C. Tringides

Phys. Rev. B 92, 245405 (2015) - Published 3 December, 2015

Theoretical studies of graphene nanoribbon quantum dot qubits

Chih-Chieh Chen and Yia-Chung Chang

Phys. Rev. B 92, 245406 (2015) - Published 7 December, 2015

Atomic structure and electronic properties of the two-dimensional (Au,Al)/Si(111)2×2 compound

D. V. Gruznev, L. V. Bondarenko, A. V. Matetskiy, A. Y. Tupchaya, E. N. Chukurov, C. R. Hsing, C. M. Wei, S. V. Eremeev, A. V. Zotov, and A. A. Saranin

Phys. Rev. B 92, 245407 (2015) - Published 7 December, 2015

Exploiting hydrogenation for thermal rectification in graphene nanoribbons

Claudio Melis, Giuliana Barbarino, and Luciano Colombo

Phys. Rev. B 92, 245408 (2015) - Published 7 December, 2015

Effects of dephasing on quantum adiabatic pumping with nonequilibrium initial states

Longwen Zhou, Da Yang Tan, and Jiangbin Gong

Phys. Rev. B 92, 245409 (2015) - Published 7 December, 2015

Hall quantization and optical conductivity evolution with variable Berry phase in the α−T3 model

E. Illes, J. P. Carbotte, and E. J. Nicol

Phys. Rev. B 92, 245410 (2015) - Published 7 December, 2015

Nonequilibrium phonon mean free paths in anharmonic chains

K. Sääskilahti, J. Oksanen, S. Volz, and J. Tulkki

Phys. Rev. B 92, 245411 (2015) - Published 9 December, 2015

Conductance, valley and spin polarizations, and tunneling magnetoresistance in ferromagnetic-normal-ferromagnetic junctions of silicene

Ruchi Saxena, Arijit Saha, and Sumathi Rao

Phys. Rev. B 92, 245412 (2015) - Published 9 December, 2015

Self-complementary metasurfaces for linear-to-circular polarization conversion

J. D. Baena, J. P. del Risco, A. P. Slobozhanyuk, S. B. Glybovski, and P. A. Belov

Phys. Rev. B 92, 245413 (2015) - Published 10 December, 2015

Anomalous behavior in the magneto-optics of a gapped topological insulator

C. J. Tabert and J. P. Carbotte

Phys. Rev. B 92, 245414 (2015) - Published 10 December, 2015

Li adsorption versus graphene intercalation on Ir(111): From quenching to restoration of the Ir surface state

P. Pervan, P. Lazić, M. Petrović, I. Šrut Rakić, I. Pletikosić, M. Kralj, M. Milun, and T. Valla

Phys. Rev. B 92, 245415 (2015) - Published 10 December, 2015

Cold spots in quantum systems far from equilibrium: Local entropies and temperatures near absolute zero

Abhay Shastry and Charles A. Stafford

Phys. Rev. B 92, 245417 (2015) - Published 11 December, 2015

Full counting statistics of vibrationally assisted electronic conduction: Transport and fluctuations of thermoelectric efficiency

Bijay Kumar Agarwalla, Jian-Hua Jiang, and Dvira Segal

Phys. Rev. B 92, 245418 (2015) - Published 14 December, 2015

Resonant unidirectional and elastic scattering of surface plasmon polaritons by high refractive index dielectric nanoparticles

Andrey B. Evlyukhin and Sergey I. Bozhevolnyi

Phys. Rev. B 92, 245419 (2015) - Published 14 December, 2015

Lowering the lasing threshold of distributed feedback lasers with loss

V. Yu. Shishkov, A. A. Zyablovsky, E. S. Andrianov, A. A. Pukhov, A. P. Vinogradov, A. V. Dorofeenko, and A. A. Lisyansky

Phys. Rev. B 92, 245420 (2015) - Published 14 December, 2015

High-field response of gated graphene at terahertz frequencies

Hadi Razavipour, Wayne Yang, Abdeladim Guermoune, Michael Hilke, David G. Cooke, Ibraheem Al-Naib, Marc M. Dignam, François Blanchard, Hassan A. Hafez, Xin Chai, Denis Ferachou, Tsuneyuki Ozaki, Pierre L. Lévesque, and Richard Martel

Phys. Rev. B 92, 245421 (2015) - Published 15 December, 2015

Landau-Zener interference at bichromatic driving

Florian Forster, Max Mühlbacher, Ralf Blattmann, Dieter Schuh, Werner Wegscheider, Stefan Ludwig, and Sigmund Kohler

Phys. Rev. B 92, 245422 (2015) - Published 15 December, 2015

The current through a driven two-level system, here realized in a double quantum dot, is determined by the phases acquired between avoided crossings. As a function of the detuning and the driving amplitude, it exhibits a characteristic interference pattern both in real space and in Fourier space. The authors demonstrate theoretically and experimentally the case of bichromatic driving creating fundamental relations between commensurability and symmetry properties.

Tuning of the electron g factor in defect-free GaAs nanodisks

Li-Wei Yang, Yi-Chia Tsai, Yiming Li, Akio Higo, Akihiro Murayama, S. Samukawa, and O. Voskoboynikov

Phys. Rev. B 92, 245423 (2015) - Published 15 December, 2015

Merging of the Dirac points in electronic artificial graphene

J. Feilhauer, W. Apel, and L. Schweitzer

Phys. Rev. B 92, 245424 (2015) - Published 15 December, 2015

Mechanistic transition of heat conduction in two-dimensional solids: A study of silica bilayers

Yanlei Wang, Zhigong Song, and Zhiping Xu

Phys. Rev. B 92, 245427 (2015) - Published 17 December, 2015

AA-stacked bilayer square ice between graphene layers

M. Sobrino Fernandez Mario, M. Neek-Amal, and F. M. Peeters

Phys. Rev. B 92, 245428 (2015) - Published 17 December, 2015

Collapsed armchair single-walled carbon nanotubes as an analog of closed-edged bilayer graphene nanoribbons

Masayuki Hasegawa, Kazume Nishidate, and Noriyuki Yoshimoto

Phys. Rev. B 92, 245429 (2015) - Published 18 December, 2015

Spectral properties of superconductors with ferromagnetically ordered magnetic impurities

Daniel Persson, Oleksii Shevtsov, Tomas Löfwander, and Mikael Fogelström

Phys. Rev. B 92, 245430 (2015) - Published 18 December, 2015

Excitonic and nematic instabilities on the surface of topological Kondo insulators

Bitan Roy, Johannes Hofmann, Valentin Stanev, Jay D. Sau, and Victor Galitski

Phys. Rev. B 92, 245431 (2015) - Published 21 December, 2015

Cavity quantum electrodynamics with mesoscopic topological superconductors

Olesia Dmytruk, Mircea Trif, and Pascal Simon

Phys. Rev. B 92, 245432 (2015) - Published 21 December, 2015

Dynamical Coulomb blockade of tunnel junctions driven by alternating voltages

Hermann Grabert

Phys. Rev. B 92, 245433 (2015) - Published 21 December, 2015

Rigid unit modes in sp−sp2 hybridized carbon systems: Origin of negative thermal expansion

Cheol-Woon Kim, Seoung-Hun Kang, and Young-Kyun Kwon

Phys. Rev. B 92, 245434 (2015) - Published 22 December, 2015

Exciton polaritons in two-dimensional dichalcogenide layers placed in a planar microcavity: Tunable interaction between two Bose-Einstein condensates

Mikhail I. Vasilevskiy, Darío G. Santiago-Pérez, Carlos Trallero-Giner, Nuno M. R. Peres, and Alexey Kavokin

Phys. Rev. B 92, 245435 (2015) - Published 22 December, 2015

Quantum fluctuations stabilize skyrmion textures

A. Roldán-Molina, M. J. Santander, A. S. Nunez, and J. Fernández-Rossier

Phys. Rev. B 92, 245436 (2015) - Published 23 December, 2015

Topological dephasing in the ν=2/3 fractional quantum Hall regime

Jinhong Park, Yuval Gefen, and H.-S. Sim

Phys. Rev. B 92, 245437 (2015) - Published 23 December, 2015

Quantum transport properties of graphene in the presence of randomly distributed spin-orbit coupling impurities

Zhe Liu, Mingfeng Zhu, and Yisong Zheng

Phys. Rev. B 92, 245438 (2015) - Published 23 December, 2015

An artificial Rb atom in a semiconductor with lifetime-limited linewidth

Jan-Philipp Jahn, Mathieu Munsch, Lucas Béguin, Andreas V. Kuhlmann, Martina Renggli, Yongheng Huo, Fei Ding, Rinaldo Trotta, Marcus Reindl, Oliver G. Schmidt, Armando Rastelli, Philipp Treutlein, and Richard J. Warburton

Phys. Rev. B 92, 245439 (2015) - Published 28 December, 2015

Chiral separation and chiral magnetic effects in a slab: The role of boundaries

E. V. Gorbar, V. A. Miransky, I. A. Shovkovy, and P. O. Sukhachov

Phys. Rev. B 92, 245440 (2015) - Published 28 December, 2015

Inhomogeneous nuclear spin polarization induced by helicity-modulated optical excitation of fluorine-bound electron spins in ZnSe

F. Heisterkamp, A. Greilich, E. A. Zhukov, E. Kirstein, T. Kazimierczuk, V. L. Korenev, I. A. Yugova, D. R. Yakovlev, A. Pawlis, and M. Bayer

Phys. Rev. B 92, 245441 (2015) - Published 28 December, 2015

Growth and electronic structure of epitaxial single-layer WS2 on Au(111)

Maciej Dendzik, Matteo Michiardi, Charlotte Sanders, Marco Bianchi, Jill A. Miwa, Signe S. Grønborg, Jeppe V. Lauritsen, Albert Bruix, Bjørk Hammer, and Philip Hofmann

Phys. Rev. B 92, 245442 (2015) - Published 28 December, 2015

Boundary conditions for transition-metal dichalcogenide monolayers in the continuum model

Csaba G. Péterfalvi, Andor Kormányos, and Guido Burkard

Phys. Rev. B 92, 245443 (2015) - Published 29 December, 2015

Simulation of supersymmetric quantum mechanics in a Cooper-pair box shunted by a Josephson rhombus

Jascha Ulrich, Daniel Otten, and Fabian Hassler

Phys. Rev. B 92, 245444 (2015) - Published 31 December, 2015

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