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THIRD SERIES, VOLUME 83, NUMBER 4 CONTENTS JANUARY 2011-15(II)

RAPID COMMUNICATIONS

Electronic structure and strongly correlated systems

Signatures of Wigner localization in epitaxially grown nanowires (4 pages) ...... 041101(R) L. H. Kristinsdottir,´ J. C. Cremon, H. A. Nilsson, H. Q. Xu, L. Samuelson, H. Linke, A. Wacker, and S. M. Reimann Suppression of metal- transition at high pressure and pressure-induced magnetic ordering in pyrochlore oxide Nd2Ir2O7 (4 pages) ...... 041102(R) Masafumi Sakata, Tomoko Kagayama, Katsuya Shimizu, Kazuyuki Matsuhira, Seishi Takagi, Makoto Wakeshima, and Yukio Hinatsu

LDA + DMFT study of Ru-based perovskite SrRuO3 and CaRuO3 (4 pages) ...... 041103(R) E. Jakobi, S. Kanungo, S. Sarkar, S. Schmitt, and T. Saha-Dasgupta √ √ Geometrical frustration and the competing phases of the Sn/Si(111) 3 × 3R30◦ surface systems (4 pages) . . . 041104(R) Gang Li, Manuel Laubach, Andrzej Fleszar, and Werner Hanke

Relativistic effects in a phosphorescent Ir(III) complex (4 pages) ...... 041105(R) A. R. G. Smith, M. J. Riley, S.-C. Lo, P. L. Burn, I. R. Gentle, and B. J. Powell Impurity scattering in a Luttinger with electron- coupling (4 pages) ...... 041106(R) Alexey Galda, Igor V. Yurkevich, and Igor V. Lerner

Semiconductors I: bulk Persistent polarization memory in sexithiophene nanostructures (4 pages) ...... 041201(R) Benoit Gosselin, Vincent Cardin, Alexandre Favron, Jelissa De Jonghe, Laura-Isabelle Dion-Bertrand, Carlos Silva, and Richard Leonelli Candidates for topological insulators: Pb-based chalcogenide series (4 pages) ...... 041202(R) Hosub Jin, Jung-Hwan Song, Arthur J. Freeman, and Mercouri G. Kanatzidis

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

Spin-orbit fields in asymmetric (001)-oriented GaAs/Alx Ga1−x As quantum wells (4 pages)...... 041301(R) P. S. Eldridge, J. Hubner,¨ S. Oertel, R. T. Harley, M. Henini, and M. Oestreich One-dimensional ZnO with negligible thermal broadening at room temperature (4 pages) . . . . . 041302(R) A. Trichet, L. Sun, G. Pavlovic, N.A. Gippius, G. Malpuech, W. Xie, Z. Chen, M. Richard, and Le Si Dang

Copyright 2011 by American Physical Society

(Continued) 1098-0121(20110115)83:4;1-Q The editors and referees of PRB find these papers to be of particular interest, importance, or clarity. Please see our Announcement Phys. Rev. B 77, 130001 (2008). CONTENTS - Continued

PHYSICAL REVIEW B THIRD SERIES, VOLUME 83, NUMBER 4 JANUARY 2011-15(II)

Interaction-induced corrections to conductance and thermopower in quantum wires (4 pages) ...... 041303(R) Alex Levchenko, Zoran Ristivojevic, and Tobias Micklitz Acoustic and optical phonon scattering in a single In(Ga)As quantum dot (4 pages) ...... 041304(R) Erik Stock, Matthias-Rene Dachner, Till Warming, Andrei Schliwa, Anatol Lochmann, Axel Hoffmann, Aleksandr I. Toropov, Askhat K. Bakarov, Ilya A. Derebezov, Marten Richter, Vladimir A. Haisler, Andreas Knorr, and Dieter Bimberg

Spatial gradient of dynamic nuclear spin polarization induced by breakdown of the quantum (4 pages) 041305(R) M. Kawamura, K. Kono, Y. Hashimoto, S. Katsumoto, and T. Machida Evidence for zero-differential resistance states in electronic bilayers (4 pages) ...... 041306(R) G. M. Gusev, S. Wiedmann, O. E. Raichev, A. K. Bakarov, and J. C. Portal g-factor anisotropy in a GaAs/Alx Ga1−x As quantum well probed by electron spin resonance (4 pages) ...... 041307(R) Yu. A. Nefyodov, A. V. Shchepetilnikov, I. V. Kukushkin, W. Dietsche, and S. Schmult

Surface physics, nanoscale physics, low-dimensional systems

Engineering carbon chains from mechanically stretched graphene-based materials (4 pages) ...... 041401(R) E. Erdogan, I. Popov, C. G. Rocha, G. Cuniberti, S. Roche, and G. Seifert Magnetic field enhancement at optical frequencies through diffraction coupling of magnetic resonances in metamaterials (4 pages)...... 041402(R) C. J. Tang, P. Zhan, Z. S. Cao, J. Pan, Z. Chen, and Z. L. Wang Formation of hydrogenated graphene nanoripples by strain engineering and directed surface self-assembly (4 pages) 041403(R) Z. F. Wang, Yu Zhang, and Feng Liu Seebeck coefficients in nanoscale junctions: Effects of electron-vibration scattering and local heating (4 pages) ...... 041404(R) Bailey C. Hsu, Yu-Shen Liu, Sheng Hsien Lin, and Yu-Chang Chen

Quantized Landau level spectrum and its density dependence in graphene (4 pages) ...... 041405(R) Adina Luican, Guohong Li, and Eva Y. Andrei Persistent Rabi oscillations probed via low-frequency noise correlation (4 pages) ...... 041406(R) Alexander N. Korotkov ARTICLES

Electronic structure and strongly correlated systems

Observation of dd excitations in NiO and NiCl2 using K-edge resonant inelastic x-ray scattering (6 pages) ...... 045101 Michel van Veenendaal, Xiaosong Liu, Matthew H. Carpenter, and Stephen P. Cramer

Iterative variational approach to finite many-body systems (8 pages) ...... 045102 M. Sambataro, D. Gambacurta, and L. Lo Monaco

Orbital-selective Mott transition and heavy-fermion behavior in a bilayer Hubbard model for 3He (7 pages) ..... 045103 K. S. D. Beach and F. F. Assaad Perturbation theory of the mass enhancement for a coupled to acoustic (8 pages) ...... 045104 Zhou Li, Carl J. Chandler, and F. Marsiglio

(Continued)

The editors and referees of PRB find these papers to be of particular interest, importance, or clarity. Please see our Announcement Phys. Rev. B 77, 130001 (2008). CONTENTS - Continued

PHYSICAL REVIEW B THIRD SERIES, VOLUME 83, NUMBER 4 JANUARY 2011-15(II)

Local exact exchange potentials within the all-electron FLAPW method and a comparison with pseudopotential results (11 pages) ...... 045105 Markus Betzinger, Christoph Friedrich, Stefan Blugel,¨ and Andreas Gorling¨

Quantum critical metamagnetism of Sr3Ru2O7 under hydrostatic pressure (7 pages) ...... 045106 W. Wu, A. McCollam, S. A. Grigera, R. S. Perry, A. P. Mackenzie, and S. R. Julian

Surface plasmon driven electric and magnetic resonators for metamaterials (5 pages) ...... 045107 Durdu O.¨ Guney,¨ Thomas Koschny, and Costas M. Soukoulis

Isentropic curves at magnetic transitions (7 pages) ...... 045108 J. D. Cone, A. Zujev, and R. T. Scalettar Symmetry breaking for transmission in a photonic waveguide coupled with two off-channel nonlinear defects (14 pages) ...... 045109 Evgeny Bulgakov, Konstantin Pichugin, and Almas Sadreev

Entanglement spectrum of random-singlet quantum critical points (10 pages) ...... 045110 Maurizio Fagotti, Pasquale Calabrese, and Joel E. Moore

Hydrogen-induced interactions in vanadium from first-principles calculations (7 pages) ...... 045111 Chuying Ouyang and Young-Su Lee

NaAlH4 doped with Ti or Sc: Bulk and surface investigation from first principles (6 pages) ...... 045112 Hao Wang, Akinori Tezuka, Hiroshi Ogawa, and Tamio Ikeshoji Violation of the continuity equation in the Krieger-Li-Iafrate approximation for current-density functional theory (7 pages) ...... 045113 Marc Siegmund and Oleg Pankratov

Quantum spin Hall effect induced by nonmagnetic and magnetic staggered potentials (6 pages) ...... 045114 Huaiming Guo, Shiping Feng, and Shun-Qing Shen

Semiconductors I: bulk Urbach tails of amorphous silicon (6 pages)...... 045201 D. A. Drabold, Y. Li, B. Cai, and M. Zhang

Transport, electronic, and structural properties of nanocrystalline CuAlO2 delafossites (10 pages) ...... 045202 O. J. Dura,´ R. Boada, A. Rivera-Calzada, C. Leon,´ E. Bauer, M. A. Lopez´ de la Torre, and J. Chaboy Correlation between morphology, chemical environment, and in the intrinsic-vacancy dilute magnetic Cr-doped Ga2Se3/Si(001) (9 pages) ...... 045203 E. N. Yitamben, T. C. Lovejoy, A. B. Pakhomov, S. M. Heald, E. Negusse, D. Arena, F. S. Ohuchi, and M. A. Olmstead Reconfiguration and dissociation of bonded hydrogen in silicon by energetic ions (6 pages) ...... 045204 S. V. S. Nageswara Rao, S. K. Dixit, G. Lupke,¨ N. H. Tolk, and L. C. Feldman Spin-dependent resonant quantum tunneling between magnetic nanoparticles on a macroscopic length scale (7 pages) ...... 045205 J. Varalda, C. A. Dartora, A. J. A. de Oliveira, W. A. Ortiz, B. Vodungbo, M. Marangolo, F. Vidal, Y. Zheng, G. G. Cabrera, and D. H. Mosca

(Continued)

The editors and referees of PRB find these papers to be of particular interest, importance, or clarity. Please see our Announcement Phys. Rev. B 77, 130001 (2008). CONTENTS - Continued

PHYSICAL REVIEW B THIRD SERIES, VOLUME 83, NUMBER 4 JANUARY 2011-15(II)

Energetics of intrinsic defects and their complexes in ZnO investigated by density functional calculations (12 pages)...... 045206 R. Vidya, P. Ravindran, H. Fjellvag,˚ B. G. Svensson, E. Monakhov, M. Ganchenkova, and R. M. Nieminen

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

Substitutional and surface Mn2+ centers in cubic ZnS:Mn nanocrystals. A correlated EPR and photoluminescence study (11 pages) ...... 045301 M. Stefan, S. V. Nistor, D. Ghica, C. D. Mateescu, M. Nikl, and R. Kucerkova Rectification in Y-junctions of wires (13 pages) ...... 045302 Chenjie Wang and D. E. Feldman Direct correlation of crystal structure and optical properties in wurtzite/zinc-blende GaAs nanowire heterostructures (10 pages) ...... 045303 Martin Heiss, Sonia Conesa-Boj, Jun Ren, Hsiang-Han Tseng, Adam Gali, Andreas Rudolph, Emanuele Uccelli, Francesca Peiro,´ Joan Ramon Morante, Dieter Schuh, Elisabeth Reiger, Efthimios Kaxiras, Jordi Arbiol, and Anna Fontcuberta i Morral

+ Electrostatic modulation of anisotropic magnetotransport in Ar -irradiated SrTiO3: Effects of boundary scattering (4 pages)...... 045304 J. H. Ngai, Y. Segal, F. J. Walker, and C. H. Ahn

Light squeezing via a biexciton in a semiconductor microcavity (5 pages) ...... 045305 Hisaki Oka and Hiroshi Ajiki Convergence of band structures of Si and Ge nanowires in the GW approximation and the validity of scissor shifts (6 pages) ...... 045306 H. Peelaers, B. Partoens, M. Giantomassi, T. Rangel, E. Goossens, G.-M. Rignanese, X. Gonze, and F. M. Peeters Adsorbate-induced modification of the surface electronic structure at GaAs(001) surfaces (5 pages) ...... 045307 Thomas Bruhn, Bjørn-Ove Fimland, Michael Kneissl, Norbert Esser, and Patrick Vogt

Si nanocrystals embedded in SiO2: Optical studies in the vacuum ultraviolet range (5 pages)...... 045308 V. Pankratov, V. Osinniy, A. Kotlov, A. Nylandsted Larsen, and B. Bech Nielsen

Magnetotransport and spin dynamics in an electron formed at oxide interfaces (5 pages) ...... 045309 Chenglong Jia and Jamal Berakdar

Surface physics, nanoscale physics, low-dimensional systems

Graphene-based biosensor using transport properties (8 pages) ...... 045401 R. Chowdhury, S. Adhikari, P. Rees, S. P. Wilks, and F. Scarpa

Low-energy coherent transport in metallic carbon nanotube junctions (8 pages) ...... 045402 A. A. Maarouf and E. J. Mele Metal-layer-assisted coalescence of Au nanoparticles and its effect on diameter control in vapor-liquid- growth of oxide nanowires (8 pages) ...... 045403 Dong Lai Guo, Xiao Huang, Guo Zhong Xing, Zhou Zhang, Gong Ping Li, Mi He, Hua Zhang, Hongyu Chen, and Tom Wu

(Continued)

The editors and referees of PRB find these papers to be of particular interest, importance, or clarity. Please see our Announcement Phys. Rev. B 77, 130001 (2008). CONTENTS - Continued

PHYSICAL REVIEW B THIRD SERIES, VOLUME 83, NUMBER 4 JANUARY 2011-15(II)

Broadband-infrared assessment of phonon resonance in scattering-type near-field microscopy (9 pages) ...... 045404 S. Amarie and F. Keilmann

Orientational properties of C70 and C80 fullerenes in carbon nanotubes (8 pages) ...... 045405 B. Verberck Disorder-induced magneto-oscillations in bilayer graphene at high bias (5 pages) ...... 045406 V. V. Mkhitaryan and M. E. Raikh Mechanism for optical activation of dark spin-triplet in hydrogenated single-walled carbon nanotubes (4 pages) ...... 045407 S. Konabe and K. Watanabe Anomalous thermal transport in disordered harmonic chains and carbon nanotubes (6 pages) ...... 045408 Xiaoxi Ni, Meng Lee Leek, Jian-Sheng Wang, Yuan Ping Feng, and Baowen Li

Graphene adhesion on mica: Role of surface morphology (6 pages) ...... 045409 A. N. Rudenko, F. J. Keil, M. I. Katsnelson, and A. I. Lichtenstein

Atomic force microscope measurements and LCAO-S2 + vdW calculations of contact length between a carbon nanotube and a graphene surface (6 pages)...... 045410 M. Seydou, Y. J. Dappe, S. Marsaudon, J.-P. Aime,´ X. Bouju, and A.-M. Bonnot

Bromination of graphene and graphite (5 pages) ...... 045411 A. Yaya, C. P. Ewels , I. Suarez-Martinez, Ph. Wagner, S. Lefrant, A. Okotrub, L. Bulusheva, and P. R. Briddon Bloch oscillations of an exciton- Bose-Einstein condensate (6 pages) ...... 045412 H. Flayac, D. D. Solnyshkov, and G. Malpuech

First-principles studies of hydrogen interaction with ultrathin Mg and Mg-based alloy films (6 pages) ...... 045413 Mina Yoon, Hanno H. Weitering, and Zhenyu Zhang

Stability of edge states and edge in graphene nanoribbons (8 pages) ...... 045414 Jens Kunstmann, Cem Ozdo¨ gan,˘ Alexander Quandt, and Holger Fehske

Landau level states on a thin film (7 pages) ...... 045415 Zhihua Yang and Jung Hoon Han

Analytic model of plasmonic coupling: Surface relief gratings (11 pages) ...... 045416 Nir Rotenberg and J. E. Sipe

Thermal conductance in a spin-boson model: Cotunneling and low-temperature properties (6 pages) ...... 045417 Tomi Ruokola and Teemu Ojanen

Structures of small Au clusters on MgO(001) studied by density-functional calculations (6 pages) ...... 045418 R. Ferrando, G. Barcaro, and A. Fortunelli Diffusion-induced dephasing in nanomechanical resonators (9 pages) ...... 045419 J. Atalaya, A. Isacsson, and M. I. Dykman

Effects of flavor-symmetry violation from staggered fermion lattice simulations of graphene (9 pages) ...... 045420 Joel Giedt, Andrew Skinner, and Saroj Nayak

(Continued)

The editors and referees of PRB find these papers to be of particular interest, importance, or clarity. Please see our Announcement Phys. Rev. B 77, 130001 (2008). CONTENTS - Continued

PHYSICAL REVIEW B THIRD SERIES, VOLUME 83, NUMBER 4 JANUARY 2011-15(II)

Unique nature of the lowest Landau level in finite graphene samples with zigzag edges: Dirac electrons with mixed bulk-edge character (11 pages) ...... 045421 Igor Romanovsky, Constantine Yannouleas, and Uzi Landman

Comparative study of scattering by shallow ridges and grooves (11 pages)...... 045422 Giovanni Brucoli and L. Mart´ın-Moreno

Surface reactivity of V2O5(001): Effects of vacancies, protonation, hydroxylation, and chlorination (14 pages) . . . 045423 Ana Suarez Negreira, Shela Aboud, and Jennifer Wilcox

Epitaxial europium oxide on Ni(100) with single-crystal quality (11 pages) ...... 045424 Daniel F. Forster,¨ Jurgen¨ Klinkhammer, Carsten Busse, Simone G. Altendorf, Thomas Michely, Zhiwei Hu, Yi-Ying Chin, L. H. Tjeng, Johann Coraux, and Daniel Bourgault

Local sublattice-symmetry breaking in rotationally faulted multilayer graphene (6 pages) ...... 045425 M. Kindermann and P. N. First Piezoconductivity of gated suspended graphene (13 pages)...... 045426 M. V. Medvedyeva and Ya. M. Blanter

Chiral tunneling in metallic carbon nanotubes (5 pages) ...... 045427 A. V. Parafilo, I. V. Krive, E. N. Bogachek, U. Landman, R. I. Shekhter, and M. Jonson

The editors and referees of PRB find these papers to be of particular interest, importance, or clarity. Please see our Announcement Phys. Rev. B 77, 130001 (2008).