Volume 61, Issue 14

1 April 2000

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RAPID COMMUNICATIONS

Inhomogeneous, disordered, and partially ordered systems

RAPID COMMUNICATION

Contribution of floppy modes to the heat capacity jump and fragility in chalcogenide glasses

Gerardo G. Naumis

Phys. Rev. B 61, R9205(R) (2000) - Published 1 April, 2000

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

RAPID COMMUNICATION

Lattice dynamics and reduced thermal conductivity of filled skutterudites

J. L. Feldman, D. J. Singh, I. I. Mazin, D. Mandrus, and B. C. Sales

Phys. Rev. B 61, R9209(R) (2000) - Published 1 April, 2000

Magnetism

RAPID COMMUNICATION

Electron correlation effects and magnetic ordering at the Gd(0001) surface

A. B. Shick, W. E. Pickett, and C. S. Fadley

Phys. Rev. B 61, R9213(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Pressure-induced phase segregation in single-crystal ${La}_{2 - 2 x} {Sr}_{1 + 2 x} {Mn}_{2} O_{7} (x = 0.32)$

J.-S. Zhou, J. B. Goodenough, and J. F. Mitchell

Phys. Rev. B 61, R9217(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Dynamics of surface magnetization on a nanosecond time scale

Fausto Sirotti, Simone Girlando, Pilar Prieto, Luca Floreano, Giancarlo Panaccione, and Giorgio Rossi

Phys. Rev. B 61, R9221(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Breakdown of the lattice polaron picture in ${La}_{0.7} {Ca}_{0.3} {MnO}_{3}$ single crystals

S. H. Chun, M. B. Salamon, Y. Tomioka, and Y. Tokura

Phys. Rev. B 61, R9225(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Direct evidence of phase segregation and magnetic-field-induced structural transition in ${Nd}_{0.5} {Sr}_{0.5} {MnO}_{3}$ by neutron diffraction

C. Ritter, R. Mahendiran, M. R. Ibarra, L. Morellon, A. Maignan, B. Raveau, and C. N. R. Rao

Phys. Rev. B 61, R9229(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Orbital character of $O - 2 p$ unoccupied states near the Fermi level in ${CrO}_{2}$

C. B. Stagarescu, X. Su, D. E. Eastman, K. N. Altmann, F. J. Himpsel, and A. Gupta

Phys. Rev. B 61, R9233(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Temperature dependent changes of the Mn $3 d$ and $4 p$ bands near $T_{c}$ in colossal magnetoresistance systems: XANES study of ${La}_{1 - x} {Ca}_{x} {MnO}_{3}$

F. Bridges, C. H. Booth, G. H. Kwei, J. J. Neumeier, and G. A. Sawatzky

Phys. Rev. B 61, R9237(R) (2000) - Published 1 April, 2000

Superfluidity and superconductivity

RAPID COMMUNICATION

SIN and SIS tunneling in cuprates

Ar. Abanov and Andrey V. Chubukov

Phys. Rev. B 61, R9241(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Absence of a zero-temperature vortex solid phase in strongly disordered superconducting Bi films

J. A. Chervenak and J. M. Valles, Jr.

Phys. Rev. B 61, R9245(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Periodic magnetization instabilities in a superconducting Nb film with a square lattice of Ni dots

A. Terentiev, D. B. Watkins, L. E. De Long, L. D. Cooley, D. J. Morgan, and J. B. Ketterson

Phys. Rev. B 61, R9249(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Oxygen-ordering superstructures in ${NdBa}_{2} {Cu}_{3} O_{6.5}$ single crystals investigated by hard-x-ray diffraction

T. Frello, N. H. Andersen, J. Madsen, A. B. Abrahamsen, M. v. Zimmermann, T. Niemöller, J. R. Schneider, and Th. Wolf

Phys. Rev. B 61, R9253(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Contrasting oxygen and copper isotope effects in ${YBa}_{2} {Cu}_{4} O_{8}$ superconducting and normal states

G. V. M. Williams, D. J. Pringle, and J. L. Tallon

Phys. Rev. B 61, R9257(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Shear-induced vortex decoupling in ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8}$ crystals

B. Khaykovich, D. T. Fuchs, K. Teitelbaum, Y. Myasoedov, E. Zeldov, T. Tamegai, S. Ooi, M. Konczykowski, R. A. Doyle, and S. F. W. R. Rycroft

Phys. Rev. B 61, R9261(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Spin dynamics in the low-temperature tetragonal phase of $≅ \frac{1}{8}$ doped single crystal ${La}_{1.67} {Eu}_{0.2} {Sr}_{0.13} {CuO}_{4}$

B. J. Suh, P. C. Hammel, M. Hücker, B. Büchner, U. Ammerahl, and A. Revcolevschi

Phys. Rev. B 61, R9265(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Observation of the Josephson plasma reflectivity edge in the infrared region in Bi-based superconducting cuprates

T. Motohashi, J. Shimoyama, K. Kitazawa, K. Kishio, K. M. Kojima, S. Uchida, and S. Tajima

Phys. Rev. B 61, R9269(R) (2000) - Published 1 April, 2000

RAPID COMMUNICATION

Suppression and enhancement of the critical current in multiterminal superconductor–normal-metal–superconductor mesoscopic structures

R. Seviour and A. F. Volkov

Phys. Rev. B 61, R9273(R) (2000) - Published 1 April, 2000

ARTICLES

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

Effect of pressure on site-symmetry distortions of ${Mn}^{5 +}$ and ${Cr}^{4 +}$ in $Y_{2} {SiO}_{5}$

Yongrong Shen, Toni Riedener, and Kevin L. Bray

Phys. Rev. B 61, 9277 (2000) - Published 1 April, 2000

Equation of state data for gold in the pressure range <10 TPa

Dimitri Batani, Antonio Balducci, Daniele Beretta, Andrea Bernardinello, Thorsten Löwer, Michel Koenig, Alessandra Benuzzi, Bernard Faral, and Tom Hall

Phys. Rev. B 61, 9287 (2000) - Published 1 April, 2000

Second metastable DX center in ${CdF}_{2} : G a$ crystals

B. Koziarska-Glinka, A. Barcz, L. Arizmendi, and A. Suchocki

Phys. Rev. B 61, 9295 (2000) - Published 1 April, 2000

Maximum entropy method of obtaining thermodynamic properties from quantum Monte Carlo simulations

Carey Huscroft, Richard Gass, and Mark Jarrell

Phys. Rev. B 61, 9300 (2000) - Published 1 April, 2000

$^{87} Rb$ NMR study of phase transitions below room temperature in a ${LiK}_{0.9} {Rb}_{0.1} {SO}_{4}$ mixed crystal

H. J. Kim, D. Y. Jeong, B. Zalar, R. Blinc, and S. H. Choh

Phys. Rev. B 61, 9307 (2000) - Published 1 April, 2000

Inhomogeneous, disordered, and partially ordered systems

Hubbard corrections in a tight-binding Hamiltonian for Se: Effects on the band structure, local order, and dynamics

E. Lomba, D. Molina, and M. Alvarez

Phys. Rev. B 61, 9314 (2000) - Published 1 April, 2000

Molecular-dynamics simulation of the structure and diffusion properties of liquid silicon

Z. G. Zhu and C. S. Liu

Phys. Rev. B 61, 9322 (2000) - Published 1 April, 2000

Monte Carlo simulations of the distribution of Ar and other noble-gas atoms in high-pressure solid $N_{2}$

E. P. van Klaveren, J. P. J. Michels, and J. A. Schouten

Phys. Rev. B 61, 9327 (2000) - Published 1 April, 2000

Ab initio based modeling of i-AlPdMn

Alexander Quandt and Veit Elser

Phys. Rev. B 61, 9336 (2000) - Published 1 April, 2000

Interfacial reaction, amorphization transition, and associated elastic instability studied by molecular dynamics simulations in the Ni-Ta system

Q. Zhang, W. S. Lai, and B. X. Liu

Phys. Rev. B 61, 9345 (2000) - Published 1 April, 2000

Resistive and calorimetric investigations of an insulating quasicrystal i-AlPdRe

J. J. Préjean, J. C. Lasjaunias, C. Berger, and A. Sulpice

Phys. Rev. B 61, 9356 (2000) - Published 1 April, 2000

Field distributions and effective-medium approximation for weakly nonlinear media

Yves-Patrick Pellegrini

Phys. Rev. B 61, 9365 (2000) - Published 1 April, 2000

Ultrafast detection of charged photocarriers in conjugated polymers

Daniel Moses, Arthur Dogariu, and Alan J. Heeger

Phys. Rev. B 61, 9373 (2000) - Published 1 April, 2000

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

Reduction of energy absorption by phonons and spin waves in a disordered solid due to localization

J. B. Sokoloff

Phys. Rev. B 61, 9380 (2000) - Published 1 April, 2000

Effects of isotopic disorder on the Raman spectra of crystals: Theory and ab initio calculations for diamond and germanium

Nathalie Vast and Stefano Baroni

Phys. Rev. B 61, 9387 (2000) - Published 1 April, 2000

Interpreting the real part of the dielectric permittivity contributed by mobile ions in ionically conducting materials

K. L. Ngai and R. W. Rendell

Phys. Rev. B 61, 9393 (2000) - Published 1 April, 2000

Zeeman study of $H^{-}$ local modes of Kramers rare-earth ions in ${CaF}_{2}$ and ${SrF}_{2}$

N. M. Strickland and Glynn D. Jones

Phys. Rev. B 61, 9399 (2000) - Published 1 April, 2000

Disturbance spreading in incommensurate and quasiperiodic systems

Bambi Hu, Baowen Li, and Peiqing Tong

Phys. Rev. B 61, 9414 (2000) - Published 1 April, 2000

Dissociation dynamics of ${HeRh}^{2 +}$ in field-ion microscopy

J. T. Lin, J. M. Yuan, S. C. Smith, and S. H. Lin

Phys. Rev. B 61, 9419 (2000) - Published 1 April, 2000

Dynamics of excited electrons in copper and ferromagnetic transition metals: Theory and experiment

R. Knorren, K. H. Bennemann, R. Burgermeister, and M. Aeschlimann

Phys. Rev. B 61, 9427 (2000) - Published 1 April, 2000

EPR, ENDOR, and optical spectroscopy of the tetragonal ${Yb}^{3 +}$ center in ${KMgF}_{3}$

M. L. Falin, V. A. Latypov, B. N. Kazakov, A. M. Leushin, H. Bill, and D. Lovy

Phys. Rev. B 61, 9441 (2000) - Published 1 April, 2000

Magnetism

Switching between different vortex states in two-dimensional easy-plane magnets due to an ac magnetic field

Yuri Gaididei, Till Kamppeter, Franz G. Mertens, and A. R. Bishop

Phys. Rev. B 61, 9449 (2000) - Published 1 April, 2000

Phase diagram of $S = \frac{1}{2} XXZ$ chain with next-nearest-neighbor interaction

Shunsaku Hirata and Kiyohide Nomura

Phys. Rev. B 61, 9453 (2000) - Published 1 April, 2000

Experimental study of the spin density of metastable fcc ferromagnetic Fe-Cu alloys

L. E. Bove, C. Petrillo, F. Sacchetti, and G. Mazzone

Phys. Rev. B 61, 9457 (2000) - Published 1 April, 2000

Low-temperature properties of the Yb-based heavy-fermion antiferromagnets YbPtIn, YbRhSn, and YbNiGa

O. Trovarelli, C. Geibel, R. Cardoso, S. Mederle, R. Borth, B. Buschinger, F. M. Grosche, Y. Grin, G. Sparn, and F. Steglich

Phys. Rev. B 61, 9467 (2000) - Published 1 April, 2000

Nitrogen gas–solid reaction process and basic magnetism of the interstitially modified rare-earth $3 d$ transition-metal nitrides $R_{2} {Fe}_{17} N_{3}$ $(R = Y, C e, N d, Sm)$ and $Y_{2} {Co}_{17} N_{3}$

Keiichi Koyama and Hironobu Fujii

Phys. Rev. B 61, 9475 (2000) - Published 1 April, 2000

Magnetostatic modes of lateral metal magnetic superlattices

Cheng Jia, Xuan-Zhang Wang, and Shu-Chen Lü

Phys. Rev. B 61, 9494 (2000) - Published 1 April, 2000

Anomalous spin susceptibility and magnetic polaron formation in the double-exchange systems

Hongsuk Yi, N. H. Hur, and Jaejun Yu

Phys. Rev. B 61, 9501 (2000) - Published 1 April, 2000

Field-driven reorientation in ultrathin ferromagnetic films with uniaxial anisotropy

H. P. Oepen, Y. T. Millev, H. F. Ding, S. Pütter, and J. Kirschner

Phys. Rev. B 61, 9506 (2000) - Published 1 April, 2000

Evidence of anisotropic magnetic polarons in ${La}_{0.94} {Sr}_{0.06} {MnO}_{3}$ by neutron scattering and comparison with Ca-doped manganites

M. Hennion, F. Moussa, G. Biotteau, J. Rodríguez-Carvajal, L. Pinsard, and A. Revcolevschi

Phys. Rev. B 61, 9513 (2000) - Published 1 April, 2000

Electron-spin-resonance study of ${Na}_{1 - x} {Li}_{x} V_{2} O_{5}$

M. Lohmann, H.-A. Krug von Nidda, A. Loidl, E. Morré, M. Dischner, and C. Geibel

Phys. Rev. B 61, 9523 (2000) - Published 1 April, 2000

Reentrant spin-Peierls transition in Mg-Doped ${CuGeO}_{3}$

V. Kiryukhin, Y. J. Wang, S. C. LaMarra, R. J. Birgeneau, T. Masuda, I. Tsukada, and K. Uchinokura

Phys. Rev. B 61, 9527 (2000) - Published 1 April, 2000

Phase separation and charge ordering in doped manganite perovskites: Projection perturbation and mean-field approaches

Shun-Qing Shen and Z. D. Wang

Phys. Rev. B 61, 9532 (2000) - Published 1 April, 2000

Double-exchange selection rule for the $c$ -axis conductivity in layered ${La}_{2 - 2 x} {Sr}_{1 + 2 x} {Mn}_{2} O_{7}$ single crystals below $T_{c}$

Qing’An Li, K. E. Gray, J. F. Mitchell, A. Berger, and R. Osgood

Phys. Rev. B 61, 9542 (2000) - Published 1 April, 2000

Coulomb blockade versus intergrain resistance in colossal magnetoresistive manganite granular films

M. García-Hernández, F. Guinea, A. de Andrés, J. L. Martínez, C. Prieto, and L. Vázquez

Phys. Rev. B 61, 9549 (2000) - Published 1 April, 2000

Magnon damping by magnon-phonon coupling in manganese perovskites

Pengcheng Dai, H. Y. Hwang, Jiandi Zhang, J. A. Fernandez-Baca, S.-W. Cheong, C. Kloc, Y. Tomioka, and Y. Tokura

Phys. Rev. B 61, 9553 (2000) - Published 1 April, 2000

Thermodynamics of spin $S = 1 / 2$ antiferromagnetic uniform and alternating-exchange Heisenberg chains

D. C. Johnston, R. K. Kremer, M. Troyer, X. Wang, A. Klümper, S. L. Bud’ko, A. F. Panchula, and P. C. Canfield

Phys. Rev. B 61, 9558 (2000) - Published 1 April, 2000

Auxiliary-field Monte Carlo for quantum spin and boson systems

M. Ulmke and R. T. Scalettar

Phys. Rev. B 61, 9607 (2000) - Published 1 April, 2000

Colossal magnetoresistance and hyperfine interactions in iron-doped ${La}_{0.75} {Ca}_{0.25} {MnO}_{3}$

B. Hannoyer, G. Marest, J. M. Greneche, Ravi Bathe, S. I. Patil, and S. B. Ogale

Phys. Rev. B 61, 9613 (2000) - Published 1 April, 2000

Evidence for two-band magnetotransport in half-metallic chromium dioxide

S. M. Watts, S. Wirth, S. von Molnár, A. Barry, and J. M. D. Coey

Phys. Rev. B 61, 9621 (2000) - Published 1 April, 2000

$^{55} Mn$ NMR spectrum in a noncollinear antiferromagnet ${RbMnBr}_{3}$

Aleksey M. Tikhonov and Sergei V. Petrov

Phys. Rev. B 61, 9629 (2000) - Published 1 April, 2000

Magnetic interlayer coupling in ferromagnet/insulator/ferromagnet structures

C. L. Platt, M. R. McCartney, F. T. Parker, and A. E. Berkowitz

Phys. Rev. B 61, 9633 (2000) - Published 1 April, 2000

Nature of coupling and origin of coercivity in giant magnetoresistance NiO-Co-Cu-based spin valves

Harsh Deep Chopra, David X. Yang, P. J. Chen, D. C. Parks, and W. F. Egelhoff, Jr.

Phys. Rev. B 61, 9642 (2000) - Published 1 April, 2000

Exchange-bias effect in Fe/Cr(211) double superlattice structures

J. S. Jiang, G. P. Felcher, A. Inomata, R. Goyette, C. Nelson, and S. D. Bader

Phys. Rev. B 61, 9653 (2000) - Published 1 April, 2000

Crystal-field studies of magnetic susceptibility, hyperfine, and specific heat properties of a ${Ho}_{2} {Ti}_{2} O_{7}$ single crystal

Y. M. Jana and D. Ghosh

Phys. Rev. B 61, 9657 (2000) - Published 1 April, 2000

Two-phase behavior in strained thin films of hole-doped manganites

Amlan Biswas, M. Rajeswari, R. C. Srivastava, Y. H. Li, T. Venkatesan, R. L. Greene, and A. J. Millis

Phys. Rev. B 61, 9665 (2000) - Published 1 April, 2000

Optical and magneto-optical properties of $R {Fe}_{2}$ $(R = Gd, Tb, Ho, Lu)$ and ${GdCo}_{2}$

S. J. Lee, R. J. Lange, P. C. Canfield, B. N. Harmon, and D. W. Lynch

Phys. Rev. B 61, 9669 (2000) - Published 1 April, 2000

Superfluidity and superconductivity

Monte Carlo studies of two-dimensional phases of helium using a shadow wave function

B. Krishnamachari and G. V. Chester

Phys. Rev. B 61, 9677 (2000) - Published 1 April, 2000

Pairing correlations in a generalized Hubbard model for the cuprates

Liliana Arrachea and A. A. Aligia

Phys. Rev. B 61, 9686 (2000) - Published 1 April, 2000

Quasiparticle localization in superconductors with spin-orbit scattering

T. Senthil and Matthew P. A. Fisher

Phys. Rev. B 61, 9690 (2000) - Published 1 April, 2000

Thin superconducting disk with field-dependent critical current: Magnetization and ac susceptibilities

D. V. Shantsev, Y. M. Galperin, and T. H. Johansen

Phys. Rev. B 61, 9699 (2000) - Published 1 April, 2000

Effect of carrier distribution on superconducting characteristics of the multilayered high- $T_{c}$ cuprate $({Cu}_{0.6} C_{0.4}) {Ba}_{2} {Ca}_{3} {Cu}_{4} O_{12 + y} :$ $^{63} Cu - NMR$ study

Y. Tokunaga, K. Ishida, Y. Kitaoka, K. Asayama, K. Tokiwa, A. Iyo, and H. Ihara

Phys. Rev. B 61, 9707 (2000) - Published 1 April, 2000

Magnetic flux distribution in a three-dimensional inductive network of Josephson junctions

A. Tuohimaa, J. Paasi, T. Tarhasaari, T. Di Matteo, and R. De Luca

Phys. Rev. B 61, 9711 (2000) - Published 1 April, 2000

Quasiparticle diffusion in tantalum using superconducting tunnel junctions

Th. Nussbaumer, Ph. Lerch, E. Kirk, A. Zehnder, R. Füchslin, P. F. Meier, and H. R. Ott

Phys. Rev. B 61, 9719 (2000) - Published 1 April, 2000

Barrier-induced enhancement of Andreev reflection for minority-spin quasiparticles in ferromagnetic metal/insulator/superconductor ballistic junctions

A. Dimoulas

Phys. Rev. B 61, 9729 (2000) - Published 1 April, 2000

Origin of the variable-range vortex hopping in ${Bi}_{2} {Sr}_{2} {Ca}_{1 - x} Y_{x} {Cu}_{2} O_{8}$ with columnar defects

J. C. Soret, V. Ta Phuoc, L. Ammor, A. Ruyter, R. De Sousa, E. Olive, G. Villard, A. Wahl, and Ch. Simon

Phys. Rev. B 61, 9800 (2000) - Published 1 April, 2000

Influence of thermal fluctuations on Cherenkov radiation from fluxons in dissipative Josephson systems

A. A. Antonov, A. L. Pankratov, A. V. Yulin, and J. Mygind

Phys. Rev. B 61, 9809 (2000) - Published 1 April, 2000

COMMENTS

Comment on “Structural and superconducting properties of $R_{1 - x} {Ca}_{x} {Ba}_{2} {Cu}_{3} O_{7 - δ}$ with $0.50 >~ x >~ 0.00$ ”

J. L. Tallon and G. V. M. Williams

Phys. Rev. B 61, 9820 (2000) - Published 1 April, 2000