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PROLA » Phys. Rev. B » Volume 70 » Issue 2
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Physical Review B – 1 July 2004
Volume 70, Issue 2

RAPID COMMUNICATIONS

Structure, structural phase transitions, mechanical properties, defects, etc.

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Charge separation and polymerization of hydrocarbons at an ultrahigh pressure
Martina Mugnai, Gianni Cardini, and Vincenzo Schettino
Published 26 July 2004 (4 pages)
020101(R) [View PDF (314 kB)]

Magnetism

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Magnetic phase separation in EuB6 detected by muon spin rotation
M. L. Brooks, T. Lancaster, S. J. Blundell, W. Hayes, F. L. Pratt, and Z. Fisk
Published 13 July 2004 (4 pages)
020401(R) [View PDF (63 kB)]
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Coherence scale of the two-dimensional Kondo lattice model
F. F. Assaad
Published 15 July 2004 (4 pages)
020402(R) [View PDF (59 kB)]
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Dynamics of an anisotropic spin dimer system in a strong magnetic field
A. K. Kolezhuk, V. N. Glazkov, H. Tanaka, and A. Oosawa
Published 16 July 2004 (4 pages)
020403(R) [View PDF (228 kB)]
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Induced spin currents in alkali films
Gerd Bergmann, Funing Song, and Doug Garrett
Published 21 July 2004 (4 pages)
020404(R) [View PDF (44 kB)]
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Chiral mixed phase in disordered 3d Heisenberg models
S. Bekhechi and B. W. Southern
Published 22 July 2004 (4 pages)
020405(R) [View PDF (64 kB)]
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NMR and local-density-approximation evidence for spiral magnetic order in the chain cuprate LiCu2O2
A. A. Gippius, E. N. Morozova, A. S. Moskvin, A. V. Zalessky, A. A. Bush, M. Baenitz, H. Rosner, and S.-L. Drechsler
Published 26 July 2004 (4 pages)
020406(R) [View PDF (356 kB)]

Superfluidity and superconductivity

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Pseudogap, competing order, and the coexistence of staggered flux and d-wave pairing in high-temperature superconductors
Sen Zhou and Ziqiang Wang
Published 8 July 2004 (4 pages)
020501(R) [View PDF (194 kB)]
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Kondo effect and Josephson current through a quantum dot between two superconductors
Mahn-Soo Choi, Minchul Lee, Kicheon Kang, and W. Belzig
Published 9 July 2004 (4 pages)
020502(R) [View PDF (240 kB)]
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Superconductivity in the geometrically frustrated pyrochlore RbOs2O6
M. Brühwiler, S. M. Kazakov, N. D. Zhigadlo, J. Karpinski, and B. Batlogg
Published 15 July 2004 (4 pages)
020503(R) [View PDF (154 kB)]
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Order and disorder in the triangular-lattice t-J-V model at 2/3 electron density
Weihong Zheng, Jaan Oitmaa, Chris J. Hamer, and Rajiv R. P. Singh
Published 15 July 2004 (4 pages)
020504(R) [View PDF (67 kB)]
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Two superconducting phases in CeRh1−xIrxIn5
M. Nicklas, V. A. Sidorov, H. A. Borges, P. G. Pagliuso, J. L. Sarrao, and J. D. Thompson
Published 15 July 2004 (4 pages)
020505(R) [View PDF (232 kB)]
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High-field state of the flux-line lattice in the unconventional superconductor CeCoIn5
T. Watanabe, Y. Kasahara, K. Izawa, T. Sakakibara, Y. Matsuda, C. J. van der Beek, T. Hanaguri, H. Shishido, R. Settai, and Y. Onuki
Published 21 July 2004 (4 pages)
020506(R) [View PDF (252 kB)]

ARTICLES

Structure, structural phase transitions, mechanical properties, defects, etc.

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Sodium ion ordering in NaxCoO2: Electron diffraction study
H. W. Zandbergen, M. Foo, Q. Xu, V. Kumar, and R. J. Cava
Published 2 July 2004 (8 pages)
024101 [View PDF (994 kB)]
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Origin of second-harmonic generation in the incommensurate phase of K2SeO4
T. A. Aslanyan
Published 7 July 2004 (5 pages)
024102 [View PDF (68 kB)]
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Thermodynamics from ab initio computations
W. Zhang, J. R. Smith, and X.-G. Wang
Published 9 July 2004 (8 pages)
024103 [View PDF (167 kB)]
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Quantum paraelectricity versus ferroelectricity: Nonlinear polarizability model
A. Bussmann-Holder and A. R. Bishop
Published 20 July 2004 (5 pages)
024104 [View PDF (68 kB)]
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X- and Q-band ENDOR study of the Fe+(II) center in chlorinated SrCl2:Fe crystals
D. Ghica, S. V. Nistor, H. Vrielinck, F. Callens, and D. Schoemaker
Published 28 July 2004 (7 pages)
024105 [View PDF (122 kB)]
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Dynamic dislocation modeling by combining Peierls Nabarro and Galerkin methods
Christophe Denoual
Published 30 July 2004 (5 pages)
024106 [View PDF (318 kB)]
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Grain-size effects on the ferroelectric behavior of dense nanocrystalline BaTiO3 ceramics
Zhe Zhao, Vincenzo Buscaglia, Massimo Viviani, Maria Teresa Buscaglia, Liliana Mitoseriu, Andrea Testino, Mats Nygren, Mats Johnsson, and Paolo Nanni
Published 30 July 2004 (8 pages)
024107 [View PDF (177 kB)]

Inhomogeneous, disordered, and partially ordered systems

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ac conductivity of a Coulomb glass from computer simulations
S. A. Basylko, V. A. Onischouk, and A. Rosengren
Published 2 July 2004 (5 pages)
024201 [View PDF (66 kB)]
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Composition-driven changes in lattice sites occupied by indium solutes in Ni2Al3 phases
Matthew O. Zacate and Gary S. Collins
Published 6 July 2004 (17 pages)
024202 [View PDF (388 kB)]
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Atomic structure of an Al–Co–Ni decagonal quasicrystalline surface
J. Yuhara, J. Klikovits, M. Schmid, P. Varga, Y. Yokoyama, T. Shishido, and K. Soda
Published 7 July 2004 (7 pages)
024203 [View PDF (1,002 kB)]
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Emergence of conduction channels in lithium silicate
Heiko Lammert and Andreas Heuer
Published 9 July 2004 (5 pages)
024204 [View PDF (96 kB)]
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Mean-field theory of collective transport with phase slips
Karl Saunders, J. M. Schwarz, M. Cristina Marchetti, and A. Alan Middleton
Published 14 July 2004 (29 pages)
024205 [View PDF (717 kB)]
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First-principles description of phonons in Ni50Pt50 disordered alloys: The role of relaxation
Subhradip Ghosh, J. B. Neaton, Armin H. Antons, Morrel H. Cohen, and P. L. Leath
Published 22 July 2004 (6 pages)
024206 [View PDF (309 kB)]
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Solution of local-field equations for self-generated glasses
Sangwook Wu, Jörg Schmalian, Gabriel Kotliar, and Peter G. Wolynes
Published 22 July 2004 (11 pages)
024207 [View PDF (174 kB)]
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Scattering theories of the one-dimensional multilayer
N. J. de Lautour, C. T. Tindle, and S. M. Tan
Published 23 July 2004 (11 pages)
024208 [View PDF (148 kB)]
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Electronic transport properties in amorphous and crystalline FeZr2 examined via the density of states
M. Dikeakos, Z. Altounian, and M. Fradkin
Published 23 July 2004 (6 pages)
024209 [View PDF (111 kB)]
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Orbital hybridizations versus the Fermi surface–Brillouin zone interaction in strongly hybridizing Al-Li-Cu 1∕1-1∕1-1∕1 approximant
Hirokazu Sato, Tsunehiro Takeuchi, and Uichiro Mizutani
Published 30 July 2004 (12 pages)
024210 [View PDF (603 kB)]

Dynamics, dynamical systems, lattice effects, quantum solids, etc.

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Quasi-Mössbauer effect in two dimensions
Dennis D. Dietrich and Lester L. Hirst
Published 19 July 2004 (9 pages)
024301 [View PDF (103 kB)]
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Nonequilibrium transfer and decoherence in quantum impurity problems
Holger Baur, Andrea Fubini, and Ulrich Weiss
Published 21 July 2004 (14 pages)
024302 [View PDF (263 kB)]
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Elastic wave propagation through a random array of dislocations
Agnes Maurel, Jean-François Mercier, and Fernando Lund
Published 26 July 2004 (15 pages)
024303 [View PDF (166 kB)]

Magnetism

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Disorder effects near a magnetic instability in CePtSi1−xGex (x=0, 0.1)
Ben-Li Young, D. E. MacLaughlin, M. S. Rose, K. Ishida, O. O. Bernal, H. G. Lukefahr, K. Heuser, G. R. Stewart, N. P. Butch, P.-C. Ho, and M. B. Maple
Published 1 July 2004 (14 pages)
024401 [View PDF (285 kB)]
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Switching-field distribution in amorphous magnetic bistable microwires
R. Varga, K. L. García, M. Vázquez, A. Zhukov, and P. Vojtanik
Published 2 July 2004 (5 pages)
024402 [View PDF (116 kB)]
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Effect of pressure on magnetic and transport properties of CaMn1−xRuxO3 (x=0–0.15): Collapse of ferromagnetic phase in CaMn0.9Ru0.1O3
V. Markovich, I. Fita, R. Puzniak, E. Rozenberg, C. Martin, A. Wisniewski, A. Maignan, B. Raveau, Y. Yuzhelevskii, and G. Gorodetsky
Published 7 July 2004 (5 pages)
024403 [View PDF (90 kB)]
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Theory of phonon-assisted forbidden optical transitions in spin-gap systems
O. Cépas and T. Ziman
Published 9 July 2004 (8 pages)
024404 [View PDF (129 kB)]
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Instability of planar vortices in the two-dimensional easy-plane Heisenberg model with distance-dependent interactions
Myoung Won Cho and Seunghwan Kim
Published 12 July 2004 (8 pages)
024405 [View PDF (439 kB)]
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Impurity effects at finite temperature in the two-dimensional S=1∕2 Heisenberg antiferromagnet
Kaj H. Höglund and Anders W. Sandvik
Published 12 July 2004 (14 pages)
024406 [View PDF (191 kB)]
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Theoretical and experimental study of the magnetic structure of TlCo2Se2
Raquel Lizárraga, Sabina Ronneteg, Rolf Berger, Anders Bergman, Peter Mohn, Olle Eriksson, and Lars Nordström
Published 12 July 2004 (7 pages)
024407 [View PDF (222 kB)]
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Structural origin of dipole x-ray resonant scattering in the low-temperature phase of Nd0.5Sr0.5MnO3
Javier Herrero-Martín, Joaquín García, Gloria Subías, Javier Blasco, and Maria Concepción Sánchez
Published 12 July 2004 (10 pages)
024408 [View PDF (491 kB)]
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Mesoscopic phase separation in NaxCoO2 (0.65⩽x⩽0.75)
P. Carretta, M. Mariani, C. B. Azzoni, M. C. Mozzati, I. Bradarić, I. Savić, A. Feher, and J. Šebek
Published 13 July 2004 (9 pages)
024409 [View PDF (251 kB)]
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Magnetic field melting of the charge-ordered state of La1∕2Ca1∕2MnO3: A local structure perspective
T. A. Tyson, M. Deleon, M. Croft, V. G. Harris, C.-C. Kao, J. Kirkland, and S-W. Cheong
Published 15 July 2004 (7 pages)
024410 [View PDF (95 kB)]
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Electronic and magnetic properties of bulk and (100) and (111) surfaces of MnPt3: An ab initio study
M. P. J. Punkkinen, L. Vitos, K. Kokko, K. Laaksonen, and I. J. Väyrynen
Published 19 July 2004 (6 pages)
024411 [View PDF (69 kB)]
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Anisotropic property of magnetic dipole in bulk, surface, and overlayer systems
Tamio Oguchi and Tatsuya Shishidou
Published 21 July 2004 (6 pages)
024412 [View PDF (130 kB)]
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Stripe order and magnetic transitions in La2−xSrxNiO4
P. G. Freeman, A. T. Boothroyd, D. Prabhakaran, M. Enderle, and C. Niedermayer
Published 21 July 2004 (6 pages)
024413 [View PDF (171 kB)]
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Complex interplay of 3d and 4f magnetism in La1−xGdxMnO3
J. Hemberger, S. Lobina, H.-A. Krug von Nidda, N. Tristan, V. Yu. Ivanov, A. A. Mukhin, A. M. Balbashov, and A. Loidl
Published 22 July 2004 (8 pages)
024414 [View PDF (266 kB)]
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Cooperative Jahn-Teller distortion in PrO2
C. H. Gardiner, A. T. Boothroyd, P. Pattison, M. J. McKelvy, G. J. McIntyre, and S. J. S. Lister
Published 27 July 2004 (11 pages)
024415 [View PDF (335 kB)]
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Field-induced magnetic and structural domain alignment in PrO2
C. H. Gardiner, A. T. Boothroyd, M. J. McKelvy, G. J. McIntyre, and K. Prokeš
Published 27 July 2004 (11 pages)
024416 [View PDF (283 kB)]
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Domain-wall dynamics driven by adiabatic spin-transfer torques
Z. Li and S. Zhang
Published 27 July 2004 (10 pages)
024417 [View PDF (162 kB)]
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Dissociation of spin objects in geometrically frustrated CdFe2O4
K. Kamazawa, S. Park, S.-H. Lee, T. J. Sato, and Y. Tsunoda
Published 27 July 2004 (5 pages)
024418 [View PDF (306 kB)]
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Evidence of two different Mn states in CaCu3Mn4O12 derivatives with colossal magnetoresistance
J. Sánchez-Benítez, C. Prieto, A. de Andrés, J. A. Alonso, M. J. Martínez-Lope, and M. T. Casais
Published 28 July 2004 (6 pages)
024419 [View PDF (489 kB)]
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Spin dynamics in an ultrathin Fe film in the vicinity of the superparamagnetic/ferromagnetic phase transition
S. J. Steinmuller, M. Tselepi, G. Wastlbauer, V. Strom, D. M. Gillingham, A. Ionescu, and J. A. C. Bland
Published 29 July 2004 (4 pages)
024420 [View PDF (242 kB)]
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NMR and dc susceptibility studies of NaVGe2O6
B. Pedrini, J. L. Gavilano, D. Rau, H. R. Ott, S. M. Kazakov, J. Karpinski, and S. Wessel
Published 29 July 2004 (10 pages)
024421 [View PDF (503 kB)]
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Effects of dissipation on disordered quantum spin models
L. F. Cugliandolo, D. R. Grempel, G. Lozano, and H. Lozza
Published 30 July 2004 (12 pages)
024422 [View PDF (133 kB)]
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Magnetic phase transition and spin-reorientation transition of Cu∕Ni∕Fe∕Cu(001) studied by photoemission electron microscopy
H. W. Zhao, C. Won, Y. Z. Wu, A. Scholl, A. Doran, and Z. Q. Qiu
Published 30 July 2004 (6 pages)
024423 [View PDF (402 kB)]
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Antiferromagnetic phase transitions in an ordered Pt3Fe(111) film studied by neutron diffraction
V. V. Krishnamurthy, I. Zoto, G. J. Mankey, J. L. Robertson, S. Maat, Eric E. Fullerton, I. Nwagwu, and J. K. Akujieze
Published 30 July 2004 (5 pages)
024424 [View PDF (63 kB)]
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Magnetization and magnetotransport of LBaCo2O5.5 (L=Gd,Eu) single crystals
Z. X. Zhou, S. McCall, C. S. Alexander, J. E. Crow, P. Schlottmann, S. N. Barilo, S. V. Shiryaev, G. L. Bychkov, and R. P. Guertin
Published 30 July 2004 (8 pages)
024425 [View PDF (628 kB)]
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Interface structure and magnetism of magnetic tunnel junctions with a Co2MnSi electrode
J. Schmalhorst, S. Kämmerer, M. Sacher, G. Reiss, A. Hütten, and A. Scholl
Published 30 July 2004 (7 pages)
024426 [View PDF (253 kB)]
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First-principles calculation of the intersublattice exchange interactions and Curie temperatures of the full Heusler alloys Ni2MnX (X=Ga,In,Sn,Sb)
E. Şaşıoğlu, L. M. Sandratskii, and P. Bruno
Published 30 July 2004 (5 pages)
024427 [View PDF (533 kB)]

Superfluidity and superconductivity

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Flux melting in Bi2Sr2CaCu2O8+δ: Incorporating both electromagnetic and Josephson couplings
Sandeep Tyagi and Yadin Y. Goldschmidt
Published 6 July 2004 (14 pages)
024501 [View PDF (247 kB)]
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Influence of twin boundaries on the flux-line-lattice structure in YBa2Cu3O7−δ : A small-angle neutron scattering
Ch. Simon, A. Pautrat, G. Poullain, C. Goupil, C. Leblond-Harnois, X. Chaud, and A. Brûlet
Published 12 July 2004 (7 pages)
024502 [View PDF (278 kB)]
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Superconducting spiral phase in the two-dimensional t-J model
Oleg P. Sushkov and Valeri N. Kotov
Published 12 July 2004 (13 pages)
024503 [View PDF (143 kB)]
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Carbon-substitution effect on the electronic properties of MgB2 single crystals
T. Masui, S. Lee, and S. Tajima
Published 13 July 2004 (7 pages)
024504 [View PDF (113 kB)]
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Phase separation in La1.85−1.5xSr0.15+1.5xCu1−xMnxO4
Changjin Zhang, J. S. Kim, B. H. Kim, and Y. W. Park
Published 14 July 2004 (6 pages)
024505 [View PDF (168 kB)]
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Single-crystal growth and investigation of NaxCoO2 and NaxCoO2·yH2O
D. P. Chen, H. C. Chen, A. Maljuk, A. Kulakov, H. Zhang, P. Lemmens, and C. T. Lin
Published 15 July 2004 (8 pages)
024506 [View PDF (673 kB)]
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Linear response theory around a localized impurity in the pseudogap regime of an anisotropic superconductor: Precursor pairing versus d-density-wave scenario
N. Andrenacci, G. G. N. Angilella, H. Beck, and R. Pucci
Published 16 July 2004 (9 pages)
024507 [View PDF (362 kB)]
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Superconducting vortex state in a mesoscopic disk containing a blind hole
G. R. Berdiyorov, M. V. Milošević, B. J. Baelus, and F. M. Peeters
Published 19 July 2004 (15 pages)
024508 [View PDF (1,154 kB)]
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Flux-pinning properties of superconducting films with arrays of blind holes
S. Raedts, A. V. Silhanek, M. J. Van Bael, and V. V. Moshchalkov
Published 19 July 2004 (5 pages)
024509 [View PDF (638 kB)]
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Depairing currents in superconducting films of Nb and amorphous MoGe
A. Yu. Rusanov, M. B. S. Hesselberth, and J. Aarts
Published 21 July 2004 (5 pages)
024510 [View PDF (105 kB)]
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Vortex fluctuations in high-Tc thin films close to the resistive transition
Örjan Festin, Peter Svedlindh, Fredrik Rönnung, and Dag Winkler
Published 21 July 2004 (9 pages)
024511 [View PDF (143 kB)]
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Structure and energetics of helium films on alkali substrates
Massimo Boninsegni and Leszek Szybisz
Published 21 July 2004 (9 pages)
024512 [View PDF (169 kB)]
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Generic incommensurate transition in the two-dimensional boson Hubbard model
Fabien Alet and Erik S. Sørensen
Published 22 July 2004 (12 pages)
024513 [View PDF (1,098 kB)]
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Study of the triangular lattice tV model near x=1/3
O. I. Motrunich and Patrick A. Lee
Published 22 July 2004 (8 pages)
024514 [View PDF (112 kB)]
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Large thermoelectric effects in unconventional superconductors
T. Löfwander and M. Fogelström
Published 23 July 2004 (9 pages)
024515 [View PDF (825 kB)]
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Global phase diagram of the high-Tc cuprates
Han-Dong Chen, Sylvain Capponi, Fabien Alet, and Shou-Cheng Zhang
Published 26 July 2004 (17 pages)
024516 [View PDF (1,388 kB)]
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Pressure-dependent ground states and fermiology in β-(BDA-TTP)2MCl4 (M=Fe,Ga)
E. S. Choi, D. Graf, J. S. Brooks, J. Yamada, H. Akutsu, K. Kikuchi, and M. Tokumoto
Published 26 July 2004 (8 pages)
024517 [View PDF (268 kB)]
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c-axis tunneling spectra in high-Tc superconductors in the presence of a d-charge-density wave
A. Greco and R. Zeyher
Published 27 July 2004 (11 pages)
024518 [View PDF (353 kB)]
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π-SQUIDs based on Josephson contacts between high-Tc and low-Tc superconductors
H. J. H. Smilde, Ariando, D. H. A. Blank, H. Hilgenkamp, and H. Rogalla
Published 27 July 2004 (12 pages)
024519 [View PDF (545 kB)]
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Coherent response of a low-Tc Josephson junction to an ultrafast laser pulse
P. Lucignano, G. Rotoli, E. Santamato, and A. Tagliacozzo
Published 29 July 2004 (12 pages)
024520 [View PDF (218 kB)]
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Spin magnetization of small metallic grains
M. Schechter
Published 29 July 2004 (4 pages)
024521 [View PDF (47 kB)]
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Origin of the hump structure in the in-plane optical conductivity of high-TC cuprates basedon a SU(2) slave-boson theory
Jae-Hyeon Eom, Sung-Sik Lee, Ki-Seok Kim, and Sung-Ho Suck Salk
Published 29 July 2004 (8 pages)
024522 [View PDF (107 kB)]
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Localized rotating-modes in capacitively coupled intrinsic Josephson junctions: Systematic study of branching structure and collective dynamical instability
M. Machida and T. Koyama
Published 30 July 2004 (6 pages)
024523 [View PDF (190 kB)]
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Noise rectification by a superconducting loop with two weak links
Jorge Berger
Published 30 July 2004 (6 pages)
024524 [View PDF (119 kB)]
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Relaxation in bulk RBa2Cu3O7−δ superconductors
M. Jirsa, T. Nishizaki, N. Kobayashi, M. Muralidhar, and M. Murakami
Published 30 July 2004 (9 pages)
024525 [View PDF (246 kB)]

ERRATA

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Erratum: Critical current density from magnetization hysteresis data using the critical-state model [Phys. Rev. B 64, 014508 (2001)]
A. A. Tulapurkar
Published 2 July 2004 (1 page)
029901(E) [View PDF (7 kB)]
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Publisher's Note: Transport properties of large-angle grain boundaries containing point defects in YBa2Cu3O7−δ [Phys. Rev. B 69, 212502 (2004)]
V. S. Boyko, R. Ya. Kezerashvili, and A. M. Levine
Published 14 July 2004 (1 page)
029902(E) [View PDF (9 kB)]
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Publisher's Note: Spin-polaron model: Transport properties of EuB6[Phys. Rev. B 69, 134423 (2004)]
Jayita Chatterjee, Unjong Yu, and B. I. Min
Published 20 July 2004 (1 page)
029903(E) [View PDF (18 kB)]
 
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