Volume 70, Issue 17

E. J. Ramberg, G. J. Bock, R. Coleman, J. Enagonio, Y. B. Hsiung, K. Stanfield, R. Tschirhart, T. Yamanaka, E. C. Swallow, G. Blair, G. D. Gollin, M. Karlsson, J. K. Okamitsu, P. Debu, B. Peyaud, R. Turlay, and B. Vallage

Phys. Rev. Lett. 70, 2529 (1993) - Published 26 April, 1993

Relative Size of SU(3) Symmetry-Breaking Effects and Penguin Diagrams

B. F. L. Ward

Phys. Rev. Lett. 70, 2533 (1993) - Published 26 April, 1993

Polarized q→Λ fragmentation functions from $e^{+}$ $e^{-}$ →Λ + X

M. Burkardt and R. L. Jaffe

Phys. Rev. Lett. 70, 2537 (1993) - Published 26 April, 1993

Nuclear Physics

Origins of spin-orbit splitting in ${}^{15}N$

Steven C. Pieper and V. R. Pandharipande

Phys. Rev. Lett. 70, 2541 (1993) - Published 26 April, 1993

Proton-proton correlations in ${}^{40}{Ar}$ $+^{197}$ Au reactions and the role of the two-particle phase space

G. J. Kunde, J. Pochodzalla, E. Berdermann, B. Berthier, C. Cerruti, C. K. Gelbke, J. Hubele, P. Kreutz, S. Leray, R. Lucas, U. Lynen, U. Milkau, C. Ngô, C. H. Pinkenburg, G. Raciti, H. Sann, and W. Trautmann

Phys. Rev. Lett. 70, 2545 (1993) - Published 26 April, 1993

Atomic, Molecular, and Optical Physics

Rydberg states of calcium fluoride

N. A. Harris and Ch. Jungen

Phys. Rev. Lett. 70, 2549 (1993) - Published 26 April, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

High-order multipole excitation of a bound electron

Carl S. Weimer, F. L. Moore, and D. J. Wineland

Phys. Rev. Lett. 70, 2553 (1993) - Published 26 April, 1993

Plasma and Beam Physics

A Siberian snake with overlapping depolarizing resonances

R. Baiod, C. M. Chu, E. D. Courant, Ya. S. Derbenev, J. Duryea, A. V. Koulsha, A. D. Krisch, M. G. Minty, T. S. Nurushev, R. A. Phelps, D. S. Shoumkin, V. K. Wong, D. D. Caussyn, S. Y. Lee, T. Rinckel, F. Sperisen, E. J. Stephenson, B. von Przewoski, C. Ohmori, P. V. Pancella, L. G. Ratner, and U. Wienands

Phys. Rev. Lett. 70, 2557 (1993) - Published 26 April, 1993

Up-shifted frequency electron-cyclotron current drive in a lower hybrid current drive plasma

T. Maekawa, T. Maehara, T. Minami, Y. Kishigami, T. Kishino, K. Makino, K. Hanada, M. Nakamura, Y. Terumichi, and S. Tanaka

Phys. Rev. Lett. 70, 2561 (1993) - Published 26 April, 1993

Coherent nonlinear coupling between a long-wavelength mode and small-scale turbulence in the TEXT tokamak

H. Y. W. Tsui, K. Rypdal, Ch. P. Ritz, and A. J. Wootton

Phys. Rev. Lett. 70, 2565 (1993) - Published 26 April, 1993

Saturation of stimulated Raman scattering by the excitation of strong Langmuir turbulence

B. Bezzerides, D. F. DuBois, and Harvey A. Rose

Phys. Rev. Lett. 70, 2569 (1993) - Published 26 April, 1993

Current neutralization of intense MeV proton beams transported in low-pressure gas

F. C. Young, D. D. Hinshelwood, R. F. Hubbard, M. Lampe, J. M. Neri, C. L. Olson, P. F. Ottinger, D. V. Rose, S. P. Slinker, S. J. Stephanakis, and D. R. Welch

Phys. Rev. Lett. 70, 2573 (1993) - Published 26 April, 1993

Condensed Matter: Structure, Etc.

Spinodal decomposition-like patterns via metastable state relaxation

M. Maaloum, D. Ausserre, D. Chatenay, and Y. Gallot

Phys. Rev. Lett. 70, 2577 (1993) - Published 26 April, 1993

Diffusion in disordered systems with multiple families of transport paths

Barry D. Hughes and Muhammad Sahimi

Phys. Rev. Lett. 70, 2581 (1993) - Published 26 April, 1993

Downfall of the vortex dimple in superfluids

E. B. Sonin and A. J. Manninen

Phys. Rev. Lett. 70, 2585 (1993) - Published 26 April, 1993

Symmetry and stability of solitary dimer rows on Si(100)

P. Bedrossian and Efthimios Kaxiras

Phys. Rev. Lett. 70, 2589 (1993) - Published 26 April, 1993

Condensed Matter: Electronic Properties, Etc.

Giant many-body enhancement of low temperature thermal-electron–acoustic-phonon coupling in semiconductor quantum wires

J. R. Senna and S. Das Sarma

Phys. Rev. Lett. 70, 2593 (1993) - Published 26 April, 1993

Time-domain study of low-dimensional chaos in the switching charge-density-wave conductor ${NbSe}_{3}$

Jeremy Levy, Mark S. Sherwin, and James Theiler

Phys. Rev. Lett. 70, 2597 (1993) - Published 26 April, 1993

Low-temperature transport through a quantum dot: The Anderson model out of equilibrium

Yigal Meir, Ned S. Wingreen, and Patrick A. Lee

Phys. Rev. Lett. 70, 2601 (1993) - Published 26 April, 1993

Resonant tunneling in the fractional quantum Hall regime

C. de C. Chamon and X. G. Wen

Phys. Rev. Lett. 70, 2605 (1993) - Published 26 April, 1993

Direct observation of the hot electron distribution function in GaAs/AlGaAs heterostructures

C. Wirner, C. Kiener, W. Boxleitner, M. Witzany, E. Gornik, P. Vogl, G. Böhm, and G. Weimann

Phys. Rev. Lett. 70, 2609 (1993) - Published 26 April, 1993

Quasi-one-dimensional superconductors in strong magnetic field

N. Dupuis, G. Montambaux, and C. A. R. Sá de Melo

Phys. Rev. Lett. 70, 2613 (1993) - Published 26 April, 1993

Dynamics of a disordered flux line lattice

S. Bhattacharya and M. J. Higgins

Phys. Rev. Lett. 70, 2617 (1993) - Published 26 April, 1993

Quantum melting of the vortex lattice in high- $T_{c}$ superconductors

Gianni Blatter and Boris Ivlev

Phys. Rev. Lett. 70, 2621 (1993) - Published 26 April, 1993

Polaron contribution to the infrared optical response of ${La}_{2 - x}$ ${Sr}_{x}$ ${CuO}_{4 + δ}$ and ${La}_{2 - x}$ ${Sr}_{x}$ ${NiO}_{4 + δ}$

Xiang-Xin Bi and Peter C. Eklund

Phys. Rev. Lett. 70, 2625 (1993) - Published 26 April, 1993

No far-infrared-spectroscopic gap in clean and dirty high- $T_{c}$ superconductors

D. Mandrus, Michael C. Martin, C. Kendziora, D. Koller, L. Forro, and L. Mihaly

Phys. Rev. Lett. 70, 2629 (1993) - Published 26 April, 1993

Strain and proximity effect in (La,Sr $)_{2}$ ${CuO}_{4}$ based superconducting superlattices

H. Tabata, T. Kawai, and S. Kawai

Phys. Rev. Lett. 70, 2633 (1993) - Published 26 April, 1993

Hubbard model with nearest-neighbor and bond-charge interaction: Exact ground-state solution in a wide range of parameters

Rainer Strack and Dieter Vollhardt

Phys. Rev. Lett. 70, 2637 (1993) - Published 26 April, 1993

Possible spin-liquid states on the triangular and kagomé lattices

Kun Yang, L. K. Warman, and S. M. Girvin

Phys. Rev. Lett. 70, 2641 (1993) - Published 26 April, 1993

Microscopic calculation of the optical properties of Si(100)2×1: Symmetric versus asymmetric dimers

A. I. Shkrebtii and R. Del Sole

Phys. Rev. Lett. 70, 2645 (1993) - Published 26 April, 1993

Trajectory-dependent neutralization of low energy ${Li}^{+}$ scattered from alkali adsorbates on Ni(111)

L. Q. Jiang, Y. D. Li, and B. E. Koel

Phys. Rev. Lett. 70, 2649 (1993) - Published 26 April, 1993

Anomalous virtual bound state width in photoemission from Pt impurities on Ag(110)

H.-V. Roy, J. Boschung, F. Patthey, P. Fayet, W.-D. Schneider, and B. Delley

Phys. Rev. Lett. 70, 2653 (1993) - Published 26 April, 1993

COMMENTS

Magnetic oscillations and crystal superstructure

Victor M. Yakovenko

Phys. Rev. Lett. 70, 2657 (1993) - Published 26 April, 1993

Osada, Kagoshima, and Miura reply

T. Osada, S. Kagoshima, and N. Miura

Phys. Rev. Lett. 70, 2658 (1993) - Published 26 April, 1993

Volume 70, Issue 17

LETTERS

General Physics

Gravitation and Astrophysics

Elementary Particles and Fields