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PROLA » Phys. Rev. B » Volume 65 » Issue 5
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Physical Review B – 1 February 2002
Volume 65, Issue 5

BRIEF REPORTS

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

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Electron diffraction and HREM study of a short-range ordered structure in the relaxor ferroelectric Pb(Mg1/3Nb2/3)O3
Shu Miao, Jing Zhu, Xiaowen Zhang, and Z.-Y. Cheng
Published 27 December 2001 (4 pages)
052101 [View PDF (316 kB)]
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Melting curve equations at high pressure
Vladimir V. Kechin
Published 27 December 2001 (4 pages)
052102 [View PDF (56 kB)]
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Ordered low-temperature structure in K4C60 detected by infrared spectroscopy
K. Kamarás, G. Klupp, D. B. Tanner, A. F. Hebard, N. M. Nemes, and J. E. Fischer
Published 8 January 2002 (4 pages)
052103 [View PDF (48 kB)]
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Sample shape influence on the antiferroelectric phase transitions in dipolar systems subject to an external field
Yuriy V. Pereverzev, Oleg V. Prezhdo, and Larry R. Dalton
Published 8 January 2002 (4 pages)
052104 [View PDF (60 kB)]
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First-order phase transition in Na1.5Co2O4
Takeo Tojo, Hitoshi Kawaji, Tooru Atake, Yasuhisa Yamamura, Masamichi Hashida, and Toshihide Tsuji
Published 10 January 2002 (3 pages)
052105 [View PDF (52 kB)]
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Stability of γ and δ phases in Ti at high pressures
K. D. Joshi, G. Jyoti, Satish C. Gupta, and S. K. Sikka
Published 11 January 2002 (4 pages)
052106 [View PDF (61 kB)]
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Mechanism of the ferroelectric phase transitions in LiNbO3 and LiTaO3
Y. Ohkubo, Y. Murakami, T. Saito, A. Yokoyama, S. Uehara, and Y. Kawase
Published 14 January 2002 (4 pages)
052107 [View PDF (62 kB)]

Inhomogeneous, disordered, and partially ordered systems

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Disorder-induced zero-energy spectral singularity for random matrices with correlations
S. N. Taraskin and S. R. Elliott
Published 8 January 2002 (4 pages)
052201 [View PDF (74 kB)]

Magnetism

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Exchange coupling between local moments in itinerant-electron ferromagnets
M. V. Tovar Costa, A. C. de Castro Barbosa, R. B. Muniz, and J. d’Albuquerque e Castro
Published 27 December 2001 (4 pages)
052401 [View PDF (61 kB)]
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Magnetic phase diagram of CsCuCl3 for in-plane magnetic fields up to 14 T
R. Bügel, A. Faißt, H. v. Löhneysen, J. Wosnitza, and U. Schotte
Published 27 December 2001 (3 pages)
052402 [View PDF (49 kB)]
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Quadrupolar order in isotropic Heisenberg models with biquadratic interaction
Kenji Harada and Naoki Kawashima
Published 3 January 2002 (4 pages)
052403 [View PDF (56 kB)]
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Magnetic relaxation measurements of α-Fe2O3 antiferromagnetic particles below 1 K
E. del Barco, M. Duran, J.M. Hernandez, J. Tejada, R. D. Zysler, M. Vasquez Mansilla, and D. Fiorani
Published 3 January 2002 (4 pages)
052404 [View PDF (62 kB)]
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Electron tunneling studies of La2/3Ca1/3MnO3
H. D. Hudspeth, F. Sharifi, I. J. Guilaran, P. Xiong, and S. von Molnár
Published 8 January 2002 (4 pages)
052405 [View PDF (50 kB)]
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Antiferromagnetism in CaCu3Ti4O12 studied by magnetic Raman spectroscopy
A. Koitzsch, G. Blumberg, A. Gozar, B. Dennis, A. P. Ramirez, S. Trebst, and Shuichi Wakimoto
Published 8 January 2002 (4 pages)
052406 [View PDF (143 kB)]
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Theoretical study of the paramagnetic density of states of YBaCo2O5
J. Wang, Y. C. Tao, Weiyi Zhang, and D. Y. Xing
Published 8 January 2002 (4 pages)
052407 [View PDF (66 kB)]
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Staggered-field effect on the magnetic-field-induced magnetization of the one-dimensional antiferromagnet Yb4As3
Kazuaki Iwasa, Masahumi Kohgi, Arsen Gukasov, Jean-Michel Mignot, Naokazu Shibata, Akira Ochiai, Hidekazu Aoki, and Takashi Suzuki
Published 8 January 2002 (4 pages)
052408 [View PDF (75 kB)]
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Time dependence of spin accumulation and magnetoresistance in magnetic multilayers
S. Zhang and P. M Levy
Published 9 January 2002 (4 pages)
052409 [View PDF (62 kB)]
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Localized spin ordering in Kondo lattice models
I. P. McCulloch, A. Juozapavicius, A. Rosengren, and M. Gulacsi
Published 10 January 2002 (4 pages)
052410 [View PDF (112 kB)]
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Neutron transitions within the S=10 ground multiplet of a Fe8 magnetic cluster
S. Carretta, E. Liviotti, G. Amoretti, R. Caciuffo, A. Caneschi, and D. Gatteschi
Published 10 January 2002 (4 pages)
052411 [View PDF (72 kB)]
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Quantum phase transitions in spin-1/2 frustrated molecular clusters: The numerical evidence
Yong-Jun Liu and Chang-De Gong
Published 11 January 2002 (4 pages)
052412 [View PDF (65 kB)]
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Far-infrared transmission studies of a c-axis-oriented superconducting MgB2 thin film
J. H. Jung, K. W. Kim, H. J. Lee, M. W. Kim, T. W. Noh, W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, C. U. Jung, and Sung-Ik Lee
Published 11 January 2002 (4 pages)
052413 [View PDF (64 kB)]
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Why spin excitations in metallic ferromagnetic manganites are isotropic
Andrzej M. Oleś and Louis Felix Feiner
Published 14 January 2002 (4 pages)
052414 [View PDF (79 kB)]
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Large orbital magnetic moment and Coulomb correlation effects in FeBr2
S. J. Youn, B. R. Sahu, and Kwang S. Kim
Published 14 January 2002 (4 pages)
052415 [View PDF (61 kB)]

Superfluidity and superconductivity

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Electric field gradients in s-, p-, and d-metal diborides and the effect of pressure on the band structure and Tc in MgB2
N. I. Medvedeva, A. L. Ivanovskii, J. E. Medvedeva, A. J. Freeman, and D. L. Novikov
Published 27 December 2001 (4 pages)
052501 [View PDF (77 kB)]
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Coupling of gate-induced superconducting polythiophene layers through an insulating part
Jan Hendrik Schön
Published 27 December 2001 (3 pages)
052502 [View PDF (153 kB)]
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Electronic specific heat in the pairing pseudogap regime
C. P. Moca and Boldizsár Jankó
Published 3 January 2002 (4 pages)
052503 [View PDF (130 kB)]
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Scaling of the Coulomb pseudopotential in s-wave narrow-band superconductors
Tae-Ho Park and Han-Yong Choi
Published 8 January 2002 (4 pages)
052504 [View PDF (63 kB)]
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Effects of carbon doping on superconductivity in magnesium diboride
W. Mickelson, John Cumings, W. Q. Han, and A. Zettl
Published 9 January 2002 (3 pages)
052505 [View PDF (132 kB)]
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Microstructural features of MgxCyNi3 superconducting materials
J. Q. Li, L. J. Wu, L. Li, and Y. Zhu
Published 11 January 2002 (4 pages)
052506 [View PDF (516 kB)]
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Electrical transport properties of Bi2Sr2Ca2Cu3O10+δ thin film [001] tilt grain boundaries
J. Hänisch, A. Attenberger, B. Holzapfel, and L. Schultz
Published 11 January 2002 (4 pages)
052507 [View PDF (125 kB)]
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Interlayer pair tunneling and gap anisotropy in YBa2Cu3O7-δ
Wen-Chin Wu
Published 11 January 2002 (4 pages)
052508 [View PDF (77 kB)]

ARTICLES

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

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Local symmetry breaking in K2V3O8 as studied by infrared spectroscopy
J. Choi, Z. T. Zhu, J. L. Musfeldt, G. Ragghianti, D. Mandrus, B. C. Sales, and J. R. Thompson
Published 27 December 2001 (6 pages)
054101 [View PDF (103 kB)]
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Pressure dependence of the Raman modes in iodine-doped single-walled carbon nanotube bundles
U. D. Venkateswaran, E. A. Brandsen, M. E. Katakowski, A. Harutyunyan, G. Chen, A. L. Loper, and P. C. Eklund
Published 3 January 2002 (5 pages)
054102 [View PDF (228 kB)]
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Dependence of cooperative luminescence intensity on Yb3+ spatial distribution in crystals and glasses
P. Goldner, B. Schaudel, and M. Prassas
Published 3 January 2002 (10 pages)
054103 [View PDF (150 kB)]
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Compression of KNbO3 up to 30 GPa: Transition sequence orthorhombic→tetragonal→cubic
D. Gourdain, Ph. Pruzan, J. M. Besson, S. Klotz, J. C. Chervin, B. Canny, W. G. Marshall, J. S. Loveday, and M. Hanfland
Published 3 January 2002 (5 pages)
054104 [View PDF (67 kB)]
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Domain formation in noninstantaneous symmetry-breaking phase transitions
E. Alfinito and G. Vitiello
Published 9 January 2002 (5 pages)
054105 [View PDF (70 kB)]
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Twisted topological solitons and dislocations in a polymer crystal
A. V. Savin, J. M. Khalack, P. L. Christiansen, and A. V. Zolotaryuk
Published 2 January 2002 (10 pages)
054106 [View PDF (295 kB)]
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First-principles studies of the structural and electronic properties of pyrite FeS2
Joseph Muscat, Andrew Hung, Salvy Russo, and Irene Yarovsky
Published 11 January 2002 (12 pages)
054107 [View PDF (599 kB)]
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Evidence for high-pressure polymorphism in resorcinol
Rekha Rao, T. Sakuntala, and B. K. Godwal
Published 11 January 2002 (8 pages)
054108 [View PDF (122 kB)]
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Pressure stability and low compressibility of intercalated cagelike materials: The case of silicon clathrates
A. San-Miguel, P. Mélinon, D. Connétable, X. Blase, F. Tournus, E. Reny, S. Yamanaka, and J. P. Itié
Published 11 January 2002 (4 pages)
054109 [View PDF (122 kB)]
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Hysteresis in YHx films observed with in situ measurements
A. Remhof, J. W. J. Kerssemakers, S. J. van der Molen, R. Griessen, and E. S. Kooij
Published 14 January 2002 (8 pages)
054110 [View PDF (353 kB)]

Inhomogeneous, disordered, and partially ordered systems

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Conductance scaling at the band center of wide wires with pure nondiagonal disorder
J. A. Vergés
Published 27 December 2001 (9 pages)
054201 [View PDF (110 kB)]
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Topological reduction of tight-binding models on branched networks
P. Buonsante, R. Burioni, and D. Cassi
Published 14 January 2002 (8 pages)
054202 [View PDF (391 kB)]

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

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Effects of a dipolar field in the spin dynamics of a Fermi liquid
P. L. Krotkov, V. P. Mineev, and G. A. Vermeulen
Published 8 January 2002 (23 pages)
054301 [View PDF (469 kB)]
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Density-functional theory approach to ultrafast laser excitation of semiconductors: Application to the A1 phonon in tellurium
P. Tangney and S. Fahy
Published 9 January 2002 (13 pages)
054302 [View PDF (480 kB)]
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Ground- and first-excited state energies of impurity magnetopolaron in an anisotropic quantum dot
B. S. Kandemir and A. Çetin
Published 11 January 2002 (11 pages)
054303 [View PDF (180 kB)]
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Influence of small polarons on the optical properties of Mg:LiNbO3 crystals
G. Kh. Kitaeva, K. A. Kuznetsov, A. N. Penin, and A. V. Shepelev
Published 14 January 2002 (11 pages)
054304 [View PDF (166 kB)]

Magnetism

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Effects of spin accumulation in magnetic multilayers
C. Heide
Published 27 December 2001 (17 pages)
054401 [View PDF (198 kB)]
•
Evolution of the magnetic and magnetotransport properties of the Ga-substituted manganite compounds La2-xSrxMnGaO6
A. I. Coldea, S. J. Blundell, I. M. Marshall, C. A. Steer, J. Singleton, F. L. Pratt, L. D. Noailles, M. J. Rosseinsky, L. E. Spring, and P. D. Battle
Published 27 December 2001 (10 pages)
054402 [View PDF (1,079 kB)]
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Ferromagnetic resonance spectra in a weak stripe domain structure
N. Vukadinovic, M. Labrune, J. Ben Youssef, A. Marty, J. C. Toussaint, and H. Le Gall
Published 27 December 2001 (10 pages)
054403 [View PDF (242 kB)]
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Resonant x-ray scattering study of magnetic ordering due to Fermi-surface nesting in SmNi2Ge2
Zahirul Islam, J. C. Lang, L. Vasiliu-Doloc, G. Srajer, and P. C. Canfield
Published 27 December 2001 (8 pages)
054404 [View PDF (137 kB)]
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First-principles calculations of hyperfine fields in the CeIn3 intermetallic compound
M. V. Lalić, J. Mestnik-Filho, A. W. Carbonari, R. N. Saxena, and H. Haas
Published 27 December 2001 (7 pages)
054405 [View PDF (93 kB)]
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Size dependence of exchange bias in ferromagnetic/antiferromagnetic bilayers
S. Zhang and Z. Li
Published 27 December 2001 (4 pages)
054406 [View PDF (66 kB)]
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Magnetic exchange interaction induced by a Josephson current
Xavier Waintal and Piet W. Brouwer
Published 3 January 2002 (11 pages)
054407 [View PDF (233 kB)]
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Spin-dependent electrical transport in ion-beam sputter deposited Fe-Cr multilayers
A. K. Majumdar, A. F. Hebard, Avinash Singh, and D. Temple
Published 3 January 2002 (8 pages)
054408 [View PDF (596 kB)]
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Model for reversal dynamics of ultrathin ferromagnetic films
I. Ruiz-Feal, T. A. Moore, L. Lopez-Diaz, and J. A. C. Bland
Published 8 January 2002 (6 pages)
054409 [View PDF (135 kB)]
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Magnetic anisotropy of the spin-ice compound Dy2Ti2O7
H. Fukazawa, R. G. Melko, R. Higashinaka, Y. Maeno, and M. J. P. Gingras
Published 8 January 2002 (6 pages)
054410 [View PDF (125 kB)]
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Phase transition and magnetic anisotropy of (La,Sr)MnO3 thin films
Zhi-Hong Wang, H. Kronmüller, O. I. Lebedev, G. M. Gross, F. S. Razavi, H. -U. Habermeier, and B. G. Shen
Published 8 January 2002 (6 pages)
054411 [View PDF (580 kB)]
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Effects of the biquadratic exchange coupling on the localization and scaling laws of spin waves in Fibonacci superlattices
C. G. Bezerra and M. G. Cottam
Published 8 January 2002 (7 pages)
054412 [View PDF (102 kB)]
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Spin-1 effective Hamiltonian with three degenerate orbitals: An application to the case of V2O3
S. Di Matteo, N. B. Perkins, and C. R. Natoli
Published 8 January 2002 (36 pages)
054413 [View PDF (589 kB)]
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Orbital magnetism of transition-metal adatoms and clusters on the Ag and Au(001) surfaces
I. Cabria, B. Nonas, R. Zeller, and P. H. Dederichs
Published 9 January 2002 (9 pages)
054414 [View PDF (140 kB)]
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Correlation between the magnetorefractive effect, giant magnetoresistance, and optical properties of Co-Ag granular magnetic films
V. G. Kravets, D. Bozec, J. A. D. Matthew, S. M. Thompson, H. Menard, A. B. Horn, and A. F. Kravets
Published 9 January 2002 (9 pages)
054415 [View PDF (129 kB)]
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Phase transitions in the antiferromagnetic XY model with a kagomé lattice
S. E. Korshunov
Published 9 January 2002 (11 pages)
054416 [View PDF (160 kB)]
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Magnetic interactions and electronic states in superconducting and nonsuperconducting ruthenocuprates
Y. Hirai, I. Živkovic, B. H. Frazer, A. Reginelli, L. Perfetti, D. Ariosa, G. Margaritondo, M. Prester, D. Drobac, D. T. Jiang, Y. Hu, T. K. Sham, I. Felner, M. Pederson, and M. Onellion
Published 10 January 2002 (6 pages)
054417 [View PDF (308 kB)]
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Phase structure and universality in two-dimensional disordered quantum antiferromagnets
E. C. Marino
Published 10 January 2002 (9 pages)
054418 [View PDF (104 kB)]
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Diffuse optical excitations in Mn12-acetate
S. M. Oppenheimer, A. B. Sushkov, J. L. Musfeldt, R. M. Achey, and N. S. Dalal
Published 11 January 2002 (5 pages)
054419 [View PDF (64 kB)]
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Infinite series of magnetization plateaus in the frustrated dimer-plaquette chain
J. Schulenburg and J. Richter
Published 11 January 2002 (3 pages)
054420 [View PDF (48 kB)]
•
Theory for low-lying excitations in the spin-Peierls system CuGeO3
Xuefan Jiang, D. Y. Xing, and Hong Chen
Published 11 January 2002 (6 pages)
054421 [View PDF (83 kB)]
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Determining the interfacial barrier height and its relation to tunnel magnetoresistance
P. Rottländer, M. Hehn, and A. Schuhl
Published 11 January 2002 (6 pages)
054422 [View PDF (106 kB)]
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Magnetic anisotropy of ultrathin cobalt films on Pt(111) investigated with x-ray diffraction: Effect of atomic mixing at the interface
O. Robach, C. Quiros, P. Steadman, K. F. Peters, E. Lundgren, J. Alvarez, H. Isern, and S. Ferrer
Published 11 January 2002 (8 pages)
054423 [View PDF (186 kB)]
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Absence of mean-free-path effects in the current-perpendicular-to-plane magnetoresistance of magnetic multilayers
K. Eid, D. Portner, J. A. Borchers, R. Loloee, M. Al-Haj Darwish, M. Tsoi, R. D. Slater, K. V. O’Donovan, H. Kurt, W. P. Pratt, Jr., and J. Bass
Published 14 January 2002 (14 pages)
054424 [View PDF (252 kB)]
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Two-dimensional random-bond Ising model, free fermions, and the network model
F. Merz and J. T. Chalker
Published 15 January 2002 (18 pages)
054425 [View PDF (273 kB)]
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Effect of surface scattering on the extraordinary Hall coefficient in ferromagnetic films
A. Gerber, A. Milner, L. Goldshmit, M. Karpovski, B. Lemke, H.-U. Habermeier, and A. Sulpice
Published 15 January 2002 (6 pages)
054426 [View PDF (82 kB)]

Superfluidity and superconductivity

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Pairing near the Mott insulating limit
Qiang-Hua Wang, Jung Hoon Han, and Dung-Hai Lee
Published 27 December 2001 (4 pages)
054501 [View PDF (276 kB)]
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MgB2 and BeB2: A comparative study of their electronic and superconducting properties
G. Profeta, A. Continenza, F. Bernardini, and S. Massidda
Published 27 December 2001 (7 pages)
054502 [View PDF (98 kB)]
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Arguments and evidence for a node-containing anisotropic s-wave gap form in the cuprate superconductors
B. H. Brandow
Published 3 January 2002 (15 pages)
054503 [View PDF (156 kB)]
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Form and width of the spectral line of a Josephson flux-flow oscillator
Andrey L. Pankratov
Published 3 January 2002 (9 pages)
054504 [View PDF (171 kB)]
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Vortex-lattice melting in untwinned YBa2Cu3O7-δ for H⊥c
A. Schilling, U. Welp, W. K. Kwok, and G. W. Crabtree
Published 3 January 2002 (7 pages)
054505 [View PDF (281 kB)]
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Location-sensitive measurement of the local fluctuation of driven vortex density in Bi2Sr2CaCu2Oy
A. Maeda, T. Tsuboi, R. Abiru, Y. Togawa, H. Kitano, K. Iwaya, and T. Hanaguri
Published 3 January 2002 (11 pages)
054506 [View PDF (484 kB)]
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Supersymmetry and d-wave superconductivity
Kazusumi Ino
Published 8 January 2002 (5 pages)
054507 [View PDF (65 kB)]
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Fractionalized phase in an XY–Z2 gauge model
R. D. Sedgewick, D. J. Scalapino, and R. L. Sugar
Published 8 January 2002 (6 pages)
054508 [View PDF (108 kB)]
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Superconducting phase coherence and pairing gap in the three-dimensional attractive Hubbard model
T. K. Kopeć
Published 8 January 2002 (12 pages)
054509 [View PDF (155 kB)]
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Influence of ionic charge and dipole fluctuations on the lattice dynamics, dielectric properties, and infrared response of La2CuO4
Claus Falter and Frank Schnetgöke
Published 8 January 2002 (15 pages)
054510 [View PDF (276 kB)]
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Optical conductivity of the nonsuperconducting cuprate La8-xSrxCu8O20
A. Lucarelli, S. Lupi, P. Calvani, P. Maselli, G. De Marzi, P. Roy, N. L. Saini, A. Bianconi, T. Ito, and K. Oka
Published 9 January 2002 (7 pages)
054511 [View PDF (103 kB)]
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Scaling behavior of layered high-Tc superconductors with columnar defects
Gregory M. Braverman, Sergey A. Gredeskul, and Yshai Avishai
Published 9 January 2002 (7 pages)
054512 [View PDF (92 kB)]
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Positron study of microstructure and phase transition in the Fe-doped YBa2Cu3-xFexOy system
Zhang Jincang, Liu Lihua, Dong Cheng, Li Jianqi, Chen Hong, Li Xigui, and Cheng Guosheng
Published 2 January 2002 (7 pages)
054513 [View PDF (158 kB)]
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Matrix element effects in angle-resolved photoemission from Bi2Sr2CaCu2O8: Energy and polarization dependencies, final state spectrum, spectral signatures of specific transitions, and related issues
M. Lindroos, S. Sahrakorpi, and A. Bansil
Published 10 January 2002 (12 pages)
054514 [View PDF (287 kB)]
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Spin dynamics of a two-dimensional metal in a superconducting state: Application to the high-Tc cuprates
F. Onufrieva and P. Pfeuty
Published 11 January 2002 (11 pages)
054515 [View PDF (212 kB)]
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Sum rules and electrodynamics of high-Tc cuprates in the pseudogap state
D. N. Basov, E. J. Singley, and S. V. Dordevic
Published 11 January 2002 (7 pages)
054516 [View PDF (512 kB)]
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Interactions between Josephson vortices and breathers
E. Trías, J. J. Mazo, and T. P. Orlando
Published 15 January 2002 (10 pages)
054517 [View PDF (447 kB)]

ERRATA

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Erratum: Dzyaloshinsky-Moriya interaction in the enhanced nuclear magnet PrCu6 [Phys. Rev. B 63, 014415 (2001)]
Hiroumi Ishii and Yasushi Kinoshita
Published 8 January 2002 (1 page)
059901(E) [View PDF (14 kB)]
 
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