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THIRD SERIES, VOLUME 74, NUMBER 17 CONTENTS NOVEMBER 2006-1(I)

BRIEF REPORTS

Structure, structural phase transitions, mechanical properties, defects

Hypothetical hard structures of carbon with cubic symmetry (4 pages) ...... 172101 Filipe J. Ribeiro, Paul Tangney, Steven G. Louie, and Marvin L. Cohen Phase imaging and the evolution of a gold-vacuum interface at atomic resolution (4 pages) ...... 172102 A. V. Martin, K. Ishizuka, C. Kisielowski, and L. J. Allen

Electronic structures and magnetic properties of spinel ZnMn2O4 under high pressure (4 pages) ...... 172103 H. C. Choi, J. H. Shim, and B. I. Min Complexity and Fermi surface deformation in compressed lithium (4 pages) ...... 172104 A. Rodriguez-Prieto, A. Bergara, V. M. Silkin, and P. M. Echenique

Electrostatic potential of ferroelectric PbTiO3: Visualized electron polarization of Pb ion (4 pages) ...... 172105 Hiroshi Tanaka, Yoshihiro Kuroiwa, and Masaki Takata Stress relaxation effect on transport properties of strained vanadium dioxide epitaxial thin films (4 pages) .... 172106 Kazuki Nagashima, Takeshi Yanagida, Hidekazu Tanaka, and Tomoji Kawai Generation of deformation twins in nanocrystalline metals: Theoretical model (4 pages) ...... 172107 M. Yu. Gutkin, I. A. Ovid’ko, and N. V. Skiba

Inhomogeneous, disordered, and partially ordered systems

Electron-phonon dephasing time due to the quasistatic scattering potential in metallic glass CuZrAl (4 pages) ...... 172201 L. Li, S. T. Lin, C. Dong, and J. J. Lin Collective excitations in an early molten transition metal (4 pages) ...... 172202 A. H. Said, H. Sinn, A. Alatas, C. A. Burns, D. L. Price, M. L. Saboungi, and W. Schirmacher

Dynamics, dynamical systems, lattice effects, quantum solids

Effect of the electric field mode on the dynamic process of a polaron (4 pages) ...... 172301 Xiaojing Liu, Kun Gao, Jiyong Fu, Yuan Li, Jianhua Wei, and Shijie Xie Linear chain of weakly coupled defects in a three-dimensional phononic crystal: A model acoustic waveguide (4 pages) ...... 172302 R. Sainidou, N. Stefanou, and A. Modinos

Copyright 2006 by The American Physical Society

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 74, NUMBER 17 NOVEMBER 2006-1(I)

Physical momentum versus crystal momentum of acoustic phonons in a crystal lattice (4 pages) ...... 172303 Y. C. Lee and W. Z. Lee Dynamics of a hydrogenated silica xerogel: A neutron scattering study (3 pages) ...... 172304 A. Fontana, L. Orsingher, F. Rossi, and U. Buchenau Unified description of Zitterbewegung for spintronic, graphene, and superconducting systems (4 pages) ...... 172305 József Cserti and Gyula Dávid

Magnetism

Competing magnetic interactions in the extended Kagomé system YBaCo4O7 (4 pages) ...... 172401 L. C. Chapon, P. G. Radaelli, H. Zheng, and J. F. Mitchell

Anomalous positive magnetoresistance in Fe0.75Mn1.35As (4 pages) ...... 172402 N. K. Sun, Y. B. Li, D. Li, Q. Zhang, W. J. Feng, and Z. D. Zhang Small-angle interband scattering as the origin of the T3/2 resistivity in MnSi (4 pages) ...... 172403 M. F. Smith Tetrahedrally coordinated half-metallic antiferromagnets (4 pages) ...... 172404 Masao Nakao

Experimental observation of charge ordering in nanocrystalline Pr0.65Ca0.35MnO3 (4 pages) ...... 172405 Anis Biswas and I. Das Specific-heat evidence of strong electron correlations and thermoelectric properties of the ferromagnetic perovskite SrCoO3−␦ (4 pages) ...... 172406 S. Balamurugan, K. Yamaura, A. B. Karki, D. P. Young, M. Arai, and E. Takayama-Muromachi Spectral properties of alternating antiferromagnetic-ferromagnetic spin-half chains and the emergence of composite spin-one behavior (4 pages) ...... 172407 Weihong Zheng, Chris J. Hamer, and Rajiv R. P. Singh Thickness-dependent magnetic anisotropy in ultrathin Fe/Co/Cu͑001͒ films (4 pages) ...... 172408 Jisang Hong Large magnetic circular dichroism in resonant inelastic x-ray scattering at the Mn L-edge of Mn-Zn ferrite (4 pages) ...... 172409 M. Magnuson, L.-C. Duda, S. M. Butorin, P. Kuiper, and J. Nordgren NMR relaxation of quantum spin chains in magnetic fields (4 pages) ...... 172410 Takahumi Suzuki and Sei-ichiro Suga Ferromagnetic state in ultrathin orthorhombic CrAs films: Thickness, lattice distortion, and half-metallic contributions (4 pages) ...... 172411 Alexandre A. Araújo, Bernardo Laks, and P. C. de Camargo

Doping and disorder in the Co2MnAl and Co2MnGa half-metallic Heusler alloys (4 pages) ...... 172412 K. Özdoğan, E. Şaşıoğlu, B. Aktaş, and I. Galanakis 1 ␤ Ferromagnetic ordering of S= 2 Heisenberg ferromagnetic chains in organic magnet -BBDTA·GaBr4 (4 pages) ...... 172413 Kengo Shimizu, Tomotaka Gotohda, Taku Matsushita, Nobuo Wada, Wataru Fujita, Kunio Awaga, Yasuhiro Saiga, and Dai S. Hirashima Quantum dynamics of an Ising spin chain in a random transverse field (4 pages) ...... 172414 Xun Jia and Sudip Chakravarty

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 74, NUMBER 17 NOVEMBER 2006-1(I)

Superfluidity and superconductivity Josephson plasmon versus amplitude modes in a superconducting tunnel junction (4 pages) ...... 172501 S. E. Shafranjuk and J. B. Ketterson Impact of the transport supercurrent on the density of states in the weak link (3 pages) ...... 172502 S. N. Shevchenko Fermi-liquid behavior and spin-charge separation in underdoped cuprates: Gaussian fluctuations in the U͑1͒ slave-boson mean-field theory of the t-J model (4 pages) ...... 172503 Ching-Kit Chan and Tai-Kai Ng Fermi-liquid effects in the Fulde-Ferrell-Larkin-Ovchinnikov state of two-dimensional d-wave superconductors (4 pages) ...... 172504 Anton B. Vorontsov and Matthias J. Graf Switchable resonant coupling of flux qubits (4 pages) ...... 172505 M. Grajcar, Yu-xi Liu, Franco Nori, and A. M. Zagoskin Evidence for two fluids in cuprate superconductors from a nuclear resonance study of ͑ ͒͑ ͒ CaxLa1−x Ba1.75−xLa0.25+x Cu3Oy (4 pages) ...... 172506 Amit Keren, Amit Kanigel, and Galina Bazalitsky ͑ ͒ Anisotropic magnetoresistance in charge-ordered Na0.34 H3O 0.15CoO2: Strong spin-charge coupling and spin ordering (4 pages) ...... 172507 C. H. Wang, X. H. Chen, G. Wu, T. Wu, H. T. Zhang, J. L. Luo, G. T. Liu, and N. L. Wang

Reversible magnetization of the layered high-Tc superconductors (4 pages) ...... 172508 Madhuparna Karmakar and Bishwajyoti Dey

Unadulterated spectral function of low-energy quasiparticles in Bi2Sr2CaCu2O8+␦ (4 pages) ...... 172509 D. V. Evtushinsky, A. A. Kordyuk, S. V. Borisenko, V. B. Zabolotnyy, M. Knupfer, J. Fink, B. Büchner, A. V. Pan, A. Erb, C. T. Lin, and H. Berger Surface term for the capillary condensation transitions in a slit geometry (4 pages) ...... 172510 Ignacio Urrutia and Leszek Szybisz

ARTICLES

Structure, structural phase transitions, mechanical properties, defects First-principles study of the intrinsic defects in PbFCl (8 pages) ...... 174101 Bo Liu, Zeming Qi, and Chaoshu Shi Disorder effects on the charge-density waves structure in V- and W-doped blue bronzes: Friedel oscillations and charge-density wave pinning (26 pages) ...... 174102 S. Ravy, S. Rouzière, J.-P. Pouget, S. Brazovskii, J. Marcus, J.-F. Bérar, and E. Elkaim ͓ ͔͓͑ ͒ ͔ X-ray study of the ferroelectric Ba0.6Sr0.4 YTa 0.03Ti0.94 O3 (10 pages) ...... 174103 P. Shanthakumar, M. Balasubramanian, D. M. Pease, A. I. Frenkel, D. M. Potrepka, V. Kraizman, J. I. Budnick, and W. A. Hines Carbon films obtained from fullerenes deposited on germanium: Experimental and simulated results (7 pages) ...... 174104 E. B. Halac, A. G. Dall’Asén, E. Burgos, and M. Reinoso First-principles Landau potential for the rocksalt to KOH to TlI-type phase transitions of AgI (9 pages) ..... 174105 Michele Catti

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 74, NUMBER 17 NOVEMBER 2006-1(I)

Model for phase transition based on statistical disassembly of nuclei at intermediate energies (7 pages) ...... 174106 G. Chaudhuri, S. Das Gupta, and M. Sutton Analysis of switching properties of porous ferroelectric ceramics by means of first-order reversal curve diagrams (12 pages) ...... 174107 Laurentiu Stoleriu, Alexandru Stancu, Liliana Mitoseriu, Daniele Piazza, and Carmen Galassi First-principles study of the structural, defect, and mechanical properties of B2 FeCo alloys (8 pages) ...... 174108 C. L. Fu and Maja Krčmar Synergy between thermal spike and exciton decay mechanisms for ion damage and amorphization by electronic excitation (6 pages) ...... 174109 F. Agulló-López, A. Mendez, G. García, J. Olivares, and J. M. Cabrera

Effect of transition metal additives on electronic structure and elastic properties of TiAl and Ti3Al (5 pages) ...... 174110 Denis Music and Jochen M. Schneider

Ab initio density functional theory study of strain effects on ferroelectricity at PbTiO3 surfaces (9 pages) .... 174111 Yoshitaka Umeno, Takahiro Shimada, Takayuki Kitamura, and Christian Elsässer

Atomistic deformation modes and intrinsic brittleness of Al4SiC4:Afirst-principles investigation (7 pages) ...... 174112 Ting Liao, Jingyang Wang, and Yanchun Zhou

3+ High-pressure-induced ferroelectric phase transition in the Yb :Sr0.6Ba0.4Nb2O6 crystal at liquid helium temperature (8 pages) ...... 174113 M. O Ramírez, L. E. Bausá, J. García Solé, A. Kaminska, S. Kobyakov, and A. Suchocki 3+ ͑ ͒ Structural, spectroscopic, and tunable laser properties of Yb -doped NaGd WO4 2 (15 pages) ...... 174114 C. Cascales, M. D. Serrano, F. Esteban-Betegón, C. Zaldo, R. Peters, K. Petermann, G. Huber, L. Ackermann, D. Rytz, C. Dupré, M. Rico, J. Liu, U. Griebner, and V. Petrov Modeling of damage generation mechanisms in silicon at energies below the displacement threshold (5 pages) ...... 174115 Iván Santos, Luis A. Marqués, and Lourdes Pelaz

Pressure-induced structural transitions and phase decomposition in the Cd2Nb2O7 pyrochlore (6 pages) ...... 174116 F. X. Zhang, J. Lian, U. Becker, R. C. Ewing, L. M. Wang, L. A. Boatner, Jingzhu Hu, and S. K. Saxena Valence-dependent analytic bond-order potential for transition metals (14 pages) ...... 174117 Ralf Drautz and D. G. Pettifor Intermetallics in the Mg-Ca-Sn ternary system: Structural, vibrational, and thermodynamic properties from first principles (15 pages) ...... 174118 Raymundo Arróyave and Zi-Kui Liu Phase transitions in tellurium at high pressure and temperature (7 pages) ...... 174119 C. Hejny, S. Falconi, L. F. Lundegaard, and M. I. McMahon Single-crystal silicon coimplanted by helium and hydrogen: Evolution of decorated vacancylike defects with thermal treatments (12 pages) ...... 174120 C. Macchi, S. Mariazzi, G. P. Karwasz, R. S. Brusa, P. Folegati, S. Frabboni, and G. Ottaviani

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18 Raman spectra of the ferroelectric phase of SrTi O3: Symmetry and domains below Tc and the origin of the phase transition (19 pages) ...... 174121 Takeshi Shigenari, Kohji Abe, Tomohiko Takemoto, Osamu Sanaka, Takashi Akaike, Yoshihide Sakai, Ruiping Wang, and Mitsuru Itoh

Lithium colloids and color center creation in electron-irradiated Li2NH observed by electron-spin resonance (4 pages) ...... 174122 F. Beuneu, P. Vajda, Y. Nakamori, and S. Orimo

Inhomogeneous, disordered, and partially ordered systems Hopping conductivity of a suspension of flexible wires in an insulator (5 pages) ...... 174201 Tao Hu and B. I. Shklovskii First-principles study of bulk ordering and surface segregation in Pt-Rh binary alloys (13 pages) ...... 174202 Koretaka Yuge, Atsuto Seko, Akihide Kuwabara, Fumiyasu Oba, and Isao Tanaka Photoinduced volume change in arsenic chalcogenides by band-gap light (9 pages) ...... 174203 Gang Chen, Himanshu Jain, Miroslav Vlcek, and Ashtosh Ganjoo Enhancement of nearest-neighbor entanglement in one-dimensional disordered systems (8 pages) ...... 174204 RománLópez-Sandoval and Martin E. Garcia Comparative study of ion conducting pathways in borate glasses (10 pages) ...... 174205 Andreas Hall, Stefan Adams, and Jan Swenson

Nuclear quadrupole resonance study of local bonding in glassy AsxSe1−x (9 pages) ...... 174206 Eungho Ahn, G. A. Williams, and P. C. Taylor

Dynamics, dynamical systems, lattice effects, quantum solids ␤ First-principles study of vibrational and dielectric properties of -Si3N4 (4 pages) ...... 174301 Yongqing Cai, Litong Zhang, Qingfeng Zeng, Laifei Cheng, and Yongdong Xu Polarization transport of transverse acoustic waves: Berry phase and spin Hall effect of phonons (11 pages) ...... 174302 K. Yu. Bliokh and V. D. Freilikher ͑ ͒ Dynamical properties of guest ions in the type-I clathrate compounds X8Ga16Ge30 X=Eu,Sr,Ba investigated by Raman scattering (5 pages) ...... 174303 Y. Takasu, T. Hasegawa, N. Ogita, M. Udagawa, M. A. Avila, K. Suekuni, I. Ishii, T. Suzuki, and T. Takabatake Influence of local electron interactions on phonon spectrum in iron (6 pages) ...... 174304 Jan Łażewski, Przemysław Piekarz, Andrzej M. Oleś, and Krzysztof Parlinski Propagation of surface acoustic waves through sharply bent two-dimensional phononic crystal waveguides using a finite-difference time-domain method (7 pages) ...... 174305 Jia-Hong Sun and Tsung-Tsong Wu

Magnetism

Structure-dependent ferromagnetism in Au4V studied under high pressure (8 pages) ...... 174401 D. D. Jackson, J. R. Jeffries, Wei Qiu, Joel D. Griffith, S. McCall, C. Aracne, M. Fluss, M. B. Maple, S. T. Weir, and Y. K. Vohra

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Noncollinear interface magnetism and ballistic transport in Fe/FeO/MgO/Fe tunnel junctions: Ab initio calculations using the KKR method (6 pages) ...... 174402 B. Yu. Yavorsky and I. Mertig ͑ ͒ Spin resonance in the ordered magnetic state of Ni5 TeO3 4Cl2 (9 pages) ...... 174403 L. Mihály, T. Fehér, B. Dóra, B. Náfrádi, H. Berger, and L. Forró 3 Spin-quadrupole ordering of spin-2 ultracold fermionic atoms in optical lattices in the one-band Hubbard model (11 pages) ...... 174404 Hong-Hao Tu, Guang-Ming Zhang, and Lu Yu

Electron-doped colossal magnetoresistance in the sintered La1−xTxMnO3 lanthanum-deficient phase (7 pages) ...... 174405 Hsiung Chou, C. B. Wu, S. G. Hsu, and C. Y. Wu Effect of electric field doping on the anisotropic magnetoresistance in doped manganites (5 pages) ...... 174406 X. Hong, J.-B. Yau, J. D. Hoffman, C. H. Ahn, Y. Bason, and L. Klein ͑ ͒ Superexchange in dilute magnetic dielectrics: Application to Ti,Co O2 (9 pages) ...... 174407 K. Kikoin and V. Fleurov

Metastable diamagnetism in the manganite Sm0.1Ca0.84Sr0.06MnO3 (6 pages) ...... 174408 V. Markovich, I. Fita, R. Puzniak, C. Martin, K. Kikoin, A. Wisniewski, S. Hebert, A. Maignan, and G. Gorodetsky Magnetic properties of Fe/Co͑001͒ superlattices from first-principles theory (7 pages) ...... 174409 Anders Bergman, Till Burkert, Biplab Sanyal, Sonia Frota-Pessôa, Lars Nordström, Andrei V. Ruban, Sergei I. Simak, and Olle Eriksson Spin dynamics in the pulsed spin locking of nuclear quadrupole resonance (11 pages) ...... 174410 K. L. Sauer and C. A. Klug Reversal processes and domain wall pinning in polycrystalline Co-nanowires (6 pages) ...... 174411 M. Brands, R. Wieser, C. Hassel, D. Hinzke, and G. Dumpich Reversal modes in arrays of interacting magnetic Ni nanowires: Monte Carlo simulations and scaling technique (5 pages) ...... 174412 M. Bahiana, F. S. Amaral, S. Allende, and D. Altbir

Magnetic-field-induced structural transformation in Er5Si4 (8 pages) ...... 174413 C. Magen, C. Ritter, L. Morellon, P. A. Algarabel, M. R. Ibarra, A. O. Tsokol, K. A. Gschneidner, Jr., and V. K. Pecharsky

Pressure-induced ferromagnet to spin-glass transition in Gd2Mo2O7 (11 pages) ...... 174414 I. Mirebeau, A. Apetrei, I. Goncharenko, D. Andreica, P. Bonville, J. P. Sanchez, A. Amato, E. Suard, W. A. Crichton, A. Forget, and D. Colson Effects of long-wave inhomogeneities of the exchange and elastic force constants in the framework of the coherent potential approximation (9 pages) ...... 174415 V. A. Ignatchenko and V. A. Felk Collinear versus noncollinear magnetic order in Pd atomic clusters: Ab initio calculations (5 pages) ...... 174416 F. Aguilera-Granja, J. Ferrer, and A. Vega ͑ ഛ ഛ ͒ Local defect structure of Sr3Co2Ox 5.64 x 6.60 : Evolution of crystallographic and magnetic states (9 pages) ...... 174417 J. M. Hill, B. Dabrowski, J. F. Mitchell, and J. D. Jorgensen

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Competition between intragranular and intergranular tunneling magnetoresistance in polycrystalline Sr2FeMoO6 (6 pages) ...... 174418 Yun-Hui Huang, Hisao Yamauchi, and Maarit Karppinen

Structural and magnetic properties of spin chain compounds Ca3Co2−xFexO6 (11 pages) ...... 174419 A. Jain, Sher Singh, and S. M. Yusuf Spin-polaron excitations in a doped Shastry-Sutherland model (5 pages) ...... 174420 S. El Shawish and J. Bonča

Structural and magnetic dimers in the spin-gapped system CuTe2O5 (8 pages) ...... 174421 J. Deisenhofer, R. M. Eremina, A. Pimenov, T. Gavrilova, H. Berger, M. Johnsson, P. Lemmens, H.-A. Krug von Nidda, A. Loidl, K.-S. Lee, and M.-H. Whangbo Field-induced quantum criticality in low-dimensional Heisenberg spin systems (12 pages) ...... 174422 Mohamed Azzouz Spin-liquid states on the triangular and Kagomé lattices: A projective-symmetry-group analysis of Schwinger boson states (20 pages) ...... 174423 Fa Wang and Ashvin Vishwanath Exact ground state and elementary excitations of the spin tetrahedron chain (8 pages) ...... 174424 Shu Chen, Yupeng Wang, W. Q. Ning, Congjun Wu, and H. Q. Lin Grain boundary magnetoresistance in the strong-disorder limit: A field-dependent critical path analysis (8 pages) ...... 174425 Hua Sun, Jianchun Wu, and Zhenya Li

Epitaxial film growth and magnetic properties of Co2FeSi (9 pages) ...... 174426 H. Schneider, G. Jakob, M. Kallmayer, H. J. Elmers, M. Cinchetti, B. Balke, S. Wurmehl, C. Felser, M. Aeschlimann, and H. Adrian Quantum dissipation theory of slow magnetic relaxation mediated by domain-wall motion in the one- ͓ ͑ ͒ ͔ dimensional chain compound Mn hfac 2BNOH (10 pages) ...... 174427 A. S. Ovchinnikov, I. G. Bostrem, V. E. Sinitsyn, A. S. Boyarchenkov, N. V. Baranov, and K. Inoue One-particle dispersion and spectral weights in the transverse Ising model (10 pages) ...... 174428 C. J. Hamer, J. Oitmaa, and Weihong Zheng Effect of dimensionality on transition-metal elements of groups 3–7 (5 pages) ...... 174429 Anu Bala, Tashi Nautiyal, and Kwang S. Kim

Colossal electroresistance mechanism in a Au/Pr0.7Ca0.3MnO3 /Pt sandwich structure: Evidence for a Mott transition (6 pages) ...... 174430 D. S. Kim, Y. H. Kim, C. E. Lee, and Y. T. Kim Electronic structures of normal and inverse spinel ferrites from first principles (12 pages) ...... 174431 Z. Szotek, W. M. Temmerman, D. Ködderitzsch, A. Svane, L. Petit, and H. Winter Magnetic polarization of Cu layers in exchange-coupled Co/Cu multilayers (9 pages) ...... 174432 K. Ishiji, H. Hashizume, Y. Suzuki, and E. Tamura Ab initio x-ray absorption study of the manganese K-edge XANES spectra in Mn- and Zn-related hexagonal perovskites (11 pages) ...... 174433 J. Chaboy, C. Prieto, M. Hernando, M. Parras, and J. González-Calbet

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͑ ͒ Spontaneous magnetization and resistivity steps in the bilayered manganite La0.5Nd0.5 1.2Sr1.8Mn2O7 (6 pages) ...... 174434 Da-qian Liao, Young Sun, Ren-fu Yang, Qing-an Li, and Zhao-hua Cheng ͑ ͒ Sr2Cu PO4 2: A real material realization of the one-dimensional nearest neighbor Heisenberg chain (6 pages) ...... 174435 M. D. Johannes, J. Richter, S.-L. Drechsler, and H. Rosner

Superfluidity and superconductivity

Electron-phonon coupling in Mn+1AXn-phase carbides (5 pages) ...... 174501 S. E. Lofland, J. D. Hettinger, T. Meehan, A. Bryan, P. Finkel, S. Gupta, M. W. Barsoum, and G. Hug Quantum Monte Carlo study of the superconducting Kosterlitz-Thouless transition of the attractive Hubbard model on a triangular lattice (5 pages) ...... 174502 Tsuguhito Nakano and Kazuhiko Kuroki Proximity effect in Nb/Cu/CoFe trilayers (4 pages) ...... 174503 Kyungmoon Kim, Jun Hyung Kwon, Jinho Kim, K. Char, Hyeonjin Doh, and Han-Yong Choi Decoherence and recoherence in a vibrating rf SQUID (8 pages) ...... 174504 Eyal Buks and M. P. Blencowe

Microscopic theories for cubic and tetrahedral superconductors: Application to PrOs4Sb12 (9 pages) ...... 174505 S. Mukherjee and D. F. Agterberg Single-particle density of states of a superconductor with a spatially varying gap and phase fluctuations (14 pages) ...... 174506 Daniel Valdez-Balderas and David Stroud Dynamics of vortex shells in mesoscopic superconducting Corbino disks (5 pages) ...... 174507 V. R. Misko and F. M. Peeters Single-particle versus pair condensation of hard-core bosons with correlated hopping (7 pages) ...... 174508 K. P. Schmidt, J. Dorier, A. Läuchli, and F. Mila Transverse vortex dynamics in superconductors (4 pages) ...... 174509 J. Lefebvre, M. Hilke, R. Gagnon, and Z. Altounian Full control of qubit rotations in a voltage-biased superconducting flux qubit (13 pages) ...... 174510 Luca Chirolli and Guido Burkard

Enhancement of flux pinning and high-field critical current density in carbon-alloyed MgB2 thin films (6 pages) ...... 174511 J. Chen, V. Ferrando, P. Orgiani, A. V. Pogrebnyakov, R. H. T. Wilke, J. B. Betts, C. H. Mielke, J. M. Redwing, X. X. Xi, and Qi Li Vortex configurations and critical parameters in superconducting thin films containing antidot arrays: Nonlinear Ginzburg-Landau theory (14 pages) ...... 174512 G. R. Berdiyorov, M. V. Milošević, and F. M. Peeters Dichotomy between the nodal and antinodal excitations in high-temperature superconductors (5 pages) ...... 174513 Henry Fu and Dung-Hai Lee

Oxygen phonon branches in overdoped La1.7Sr0.3Cu3O4 (5 pages) ...... 174514 L. Pintschovius, D. Reznik, and K. Yamada

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Doping of Ce in T-La2CuO4: Rigorous test for electron-hole symmetry for high-Tc superconductivity (8 pages) ...... 174515 A. Tsukada, H. Yamamoto, and M. Naito

Intraband optical spectral weight in the presence of a van Hove singularity: Application to Bi2Sr2CaCu2O8+␦ (10 pages) ...... 174516 F. Marsiglio, F. Carbone, A. B. Kuzmenko, and D. van der Marel

Quasiparticle spectrum of the cuprate Bi2Sr2CaCu2O8+␦: Possible connection to the phase diagram (15 pages) ...... 174517 W. Sacks, T. Cren, D. Roditchev, and B. Douçot Influence of quenched disorder on the square-to-rhombohedral structural transformation of the vortex lattice of type-II superconductors (11 pages) ...... 174518 D. P. Li, P.-J. Lin, B. Rosenstein, B. Ya. Shapiro, and I. Shapiro 11 Point-contact spectroscopy in neutron-irradiated Mg B2 (11 pages) ...... 174519 D. Daghero, A. Calzolari, G. A. Ummarino, M. Tortello, R. S. Gonnelli, V. A. Stepanov, C. Tarantini, P. Manfrinetti, and E. Lehmann Transverse Meissner physics of planar superconductors with columnar pins (20 pages) ...... 174520 Gil Refael, Walter Hofstetter, and David R. Nelson Inferring effective interactions from the local density of states: Application to STM data from Bi2Sr2CaCu2O8+␦ (8 pages) ...... 174521 R. Jamei, J. Robertson, E-A. Kim, A. Fang, A. Kapitulnik, and S. A. Kivelson Local superfluidity in inhomogeneous quantum fluids (10 pages) ...... 174522 Yongkyung Kwon, Francesco Paesani, and K. Birgitta Whaley Antiferromagnetic fluctuations, symmetry, and shape of the gap function in the electron-doped superconductors: Functional renormalization-group analysis (5 pages) ...... 174523 A. A. Katanin Calculation of overdamped c-axis charge dynamics and the coupling to polar phonons in cuprate superconductors (6 pages) ...... 174524 W. Meevasana, T. P. Devereaux, N. Nagaosa, Z.-X. Shen, and J. Zaanen

COMMENTS

Comment on “Charge order in Fe2OBO3: An LSDA+U study” (4 pages) ...... 176401 Joaquín García and Gloria Subías

Reply to “Comment on ‘Charge order in Fe2OBO3: An LSDA+U study’” (3 pages) ...... 176402 I. Leonov, A. N. Yaresko, V. N. Antonov, J. P. Attfield, and V. I. Anisimov

ERRATA

Erratum: Tunable interactions between vortices and a magnetic dipole ͓Phys. Rev. B 72, 144514 ͑2005͔͒ (1 page) ...... 179901͑E͒ Gilson Carneiro ͑ ͒ Erratum: Spin-phonon coupling in orthorhombic RMnO3 R=Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Y : A Raman study ͓Phys. Rev. B 73, 214301 ͑2006͔͒ (1 page) ...... 179902͑E͒ J. Laverdière, S. Jandl, A. A. Mukhin, V. Yu. Ivanov, V. G. Ivanov, and M. N. Iliev

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 74, NUMBER 17 NOVEMBER 2006-1(I)

Publisher’s Note: X-ray investigation, high-resolution electron holography, and density functional calculations ͓ ͑ ͔͒ ͑ ͒ of single-crystalline BaTiO3 Phys. Rev. B 74, 134116 2006 (1 page) ...... 179903 E A. Rother, M. Reibold, H. Lichte, T. Leisegang, A. A. Levin, P. Paufler, D. C. Meyer, S. Gemming, I. Chaplygin, G. Seifert, A. Ormeci, and H. Rosner