Volume 65, Issue 12

K. E. Ohl, R. K. Adair, H. B. Greenlee, H. Kasha, E. B. Mannelli, M. P. Schmidt, M. R. Vagins, E. Jastrzembski, R. C. Larsen, L. B. Leipuner, W. M. Morse, and C. B. Schwarz

Phys. Rev. Lett. 65, 1407 (1990) - Published 17 September, 1990

Atomic, Molecular, and Optical Physics

High-accuracy calculation of the 6 $s_{1 / 2}$ →7 $s_{1 / 2}$ parity-nonconserving transition in atomic cesium and implications for the standard model

S. A. Blundell, W. R. Johnson, and J. Sapirstein

Phys. Rev. Lett. 65, 1411 (1990) - Published 17 September, 1990

Observation of a strong rectified dipole force in a bichromatic standing light wave

R. Grimm, Yu. B. Ovchinnikov, A. I. Sidorov, and V. S. Letokhov

Phys. Rev. Lett. 65, 1415 (1990) - Published 17 September, 1990

Observation of zero-point noise squeezing via a Josephson-parametric amplifier

R. Movshovich, B. Yurke, P. G. Kaminsky, A. D. Smith, A. H. Silver, R. W. Simon, and M. V. Schneider

Phys. Rev. Lett. 65, 1419 (1990) - Published 17 September, 1990

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Pseudorecurrence in two-dimensional modulation instability with a saturable self-focusing nonlinearity

N. N. Akhmediev, D. R. Heatley, G. I. Stegeman, and E. M. Wright

Phys. Rev. Lett. 65, 1423 (1990) - Published 17 September, 1990

Reflection-induced source correlation in spontaneous emission

Karel E. Drabe, Gerard Cnossen, Douwe A. Wiersma, H. A. Ferwerda, and B. J. Hoenders

Phys. Rev. Lett. 65, 1427 (1990) - Published 17 September, 1990

Transition from traveling-wave to stationary convection in fluid mixtures

Daniel R. Ohlsen, S. Y. Yamamoto, C. M. Surko, and Paul Kolodner

Phys. Rev. Lett. 65, 1431 (1990) - Published 17 September, 1990

Plasma and Beam Physics

Time-resolved L-shell absorption spectroscopy: A direct measurement of density and temperature in a germanium laser-produced plasma

J. Bruneau, C. Chenais-Popovics, D. Desenne, J.-C. Gauthier, J.-P. Geindre, M. Klapisch, J.-P. Le Breton, M. Louis-Jacquet, D. Naccache, and J.-P. Perrine

Phys. Rev. Lett. 65, 1435 (1990) - Published 17 September, 1990

Condensed Matter: Structure, Etc.

Rapid low-temperature hopping of hydrogen in a pure metal: The ${ScH}_{x}$ system

I. S. Anderson, N. F. Berk, J. J. Rush, T. J. Udovic, R. G. Barnes, A. Magerl, and D. Richter

Phys. Rev. Lett. 65, 1439 (1990) - Published 17 September, 1990

Universal critical-point amplitudes in parallel-plate geometries

John L. Cardy

Phys. Rev. Lett. 65, 1443 (1990) - Published 17 September, 1990

Phonon focusing and mode-conversion effects in silicon at ultrasonic frequencies

A. G. Every, Wolfgang Sachse, K. Y. Kim, and M. O. Thompson

Phys. Rev. Lett. 65, 1446 (1990) - Published 17 September, 1990

Magnon thermal conductivity of solid ${}^{3}{He}$ in the U2D2 antiferromagnetic phase

Y. P. Feng, P. Schiffer, J. Mihalisin, and D. D. Osheroff

Phys. Rev. Lett. 65, 1450 (1990) - Published 17 September, 1990

Zero sound and atomiclike excitations: The nature of phonons and rotons in liquid ${}^{4}{He}$

H. R. Glyde and A. Griffin

Phys. Rev. Lett. 65, 1454 (1990) - Published 17 September, 1990

Parity breaking in eutectic growth

K. Kassner and C. Misbah

Phys. Rev. Lett. 65, 1458 (1990) - Published 17 September, 1990

Fractals and multifractals in early-stage spinodal decomposition and continuous ordering

W. Klein

Phys. Rev. Lett. 65, 1462 (1990) - Published 17 September, 1990

In situ x-ray reflectivity and diffraction studies of the Au(001) reconstruction in an electrochemical cell

B. M. Ocko, Jia Wang, Alison Davenport, and Hugh Isaacs

Phys. Rev. Lett. 65, 1466 (1990) - Published 17 September, 1990

Condensed Matter: Electronic Properties, Etc.

Magnetic properties of some itinerant-electron systems at T>0

Michael Aizenman and Elliott H. Lieb

Phys. Rev. Lett. 65, 1470 (1990) - Published 17 September, 1990

Static dielectric function of superionic conductor α-AgI

Masaru Aniya, Hideo Okazaki, and Michisuke Kobayashi

Phys. Rev. Lett. 65, 1474 (1990) - Published 17 September, 1990

Pair-correlation function and single-particle occupation numbers in diamond and silicon

S. Fahy, X. W. Wang, and Steven G. Louie

Phys. Rev. Lett. 65, 1478 (1990) - Published 17 September, 1990

Collective modes in layered superconductors

H. A. Fertig and S. Das Sarma

Phys. Rev. Lett. 65, 1482 (1990) - Published 17 September, 1990

Two-dimensional $D^{-}$ centers

S. Huant, S. P. Najda, and B. Etienne

Phys. Rev. Lett. 65, 1486 (1990) - Published 17 September, 1990

Symmetry breaking in Mott insulators

D. H. Lee and R. Shankar

Phys. Rev. Lett. 65, 1490 (1990) - Published 17 September, 1990

Reduction of the mesoscopic conductance-fluctuation amplitude in GaAs/AlGaAs heterojunctions due to spin-orbit scattering

O. Millo, S. J. Klepper, M. W. Keller, D. E. Prober, S. Xiong, A. D. Stone, and R. N. Sacks

Phys. Rev. Lett. 65, 1494 (1990) - Published 17 September, 1990

Self-induced effective gauge fields in the copper-oxygen plane of high- $T_{c}$ perovskites: A lattice and a continuum formulation

Mark Rasolt and G. Vignale

Phys. Rev. Lett. 65, 1498 (1990) - Published 17 September, 1990

Excitation structure of the hierarchy scheme in the fractional quantum Hall effect

N. Read

Phys. Rev. Lett. 65, 1502 (1990) - Published 17 September, 1990

Solitons in chiral-spin liquids

D. S. Rokhsar

Phys. Rev. Lett. 65, 1506 (1990) - Published 17 September, 1990

Conductance distribution at the mobility edge

B. Shapiro

Phys. Rev. Lett. 65, 1510 (1990) - Published 17 September, 1990

Novel reentrant effect in the proximity-induced superconducting behavior of silver

P. Visani, A. C. Mota, and A. Pollini

Phys. Rev. Lett. 65, 1514 (1990) - Published 17 September, 1990

COMMENTS

Space time singularities in string theory and string propagation through gravitational shock waves

H. J. de Vega and N. Sánchez

Phys. Rev. Lett. 65, 1517 (1990) - Published 17 September, 1990

Horowitz and Steif reply

Gary Horowitz and Alan Steif

Phys. Rev. Lett. 65, 1518 (1990) - Published 17 September, 1990

Comment on ‘‘Spin correlations of 2D quantum antiferromagnet at low temperatures and a direct comparison with neutron-scattering experiments’’

F. Waldner

Phys. Rev. Lett. 65, 1519 (1990) - Published 17 September, 1990

Ding and Makivić reply

H.-Q. Ding and M. S. Makivić

Phys. Rev. Lett. 65, 1520 (1990) - Published 17 September, 1990

Comment on ‘‘Enhanced anharmonicity in the interaction of low-Z adsorbates with metal surfaces’’

J. E. Müller, M. Wuttig, and H. Ibach

Phys. Rev. Lett. 65, 1521 (1990) - Published 17 September, 1990

Wenzel et al. reply

L. Wenzel, D. Arvanitis, H. Rabus, T. Lederer, and K. Baberschke

Phys. Rev. Lett. 65, 1522 (1990) - Published 17 September, 1990