Volume 73, Issue 19

A. G. Smith, W. R. Phillips, J. L. Durell, W. Urban, B. J. Varley, C. J. Pearson, J. A. Shannon, I. Ahmad, C. J. Lister, L. R. Morss, K. L. Nash, C. W. Williams, M. Bentaleb, E. Lubkiewicz, and N. Schulz

Phys. Rev. Lett. 73, 2540 (1994) - Published 7 November, 1994

Atomic, Molecular, and Optical Physics

Origin of Two-Electron Atomic Supermultiplets in U(4) Group Embedding

Michael E. Kellman

Phys. Rev. Lett. 73, 2543 (1994) - Published 7 November, 1994

Modified Configuration Interaction Method for Accurate Calculations with Small Basis Sets

S. P. Goldman

Phys. Rev. Lett. 73, 2547 (1994) - Published 7 November, 1994

Vibrationally and Orientationally Selective Probing of Intramolecular Potentials in Physisorbed Molecules

O. Björneholm, H. Tillborg, A. Nilsson, N. Mårtensson, H. Ågren, and C. M. Liegener

Phys. Rev. Lett. 73, 2551 (1994) - Published 7 November, 1994

Laser-Induced Ionizing Collisions of Ultracold Krypton Gas in the ${1 s}_{5}$ Metastable State

Hidetoshi Katori and Fujio Shimizu

Phys. Rev. Lett. 73, 2555 (1994) - Published 7 November, 1994

Matched Optical Solitary Waves for Three- and Five-Level Systems

F. T. Hioe and R. Grobe

Phys. Rev. Lett. 73, 2559 (1994) - Published 7 November, 1994

Atomic Interferometer Based on Adiabatic Population Transfer

Martin Weitz, Brenton C. Young, and Steven Chu

Phys. Rev. Lett. 73, 2563 (1994) - Published 7 November, 1994

Nonlinear Dynamics: Fluid Dynamics, Classical Optics, Etc.

Probability Distribution of Multiple Scattered Light Measured in Total Transmission

Johannes F. de Boer, M. C. W. van Rossum, Meint P. van Albada, Th. M. Nieuwenhuizen, and Ad Lagendijk

Phys. Rev. Lett. 73, 2567 (1994) - Published 7 November, 1994

Density Expansion for the Mobility of Electrons in Helium Gas

K. I. Wysokinski, Wansoo Park, D. Belitz, and T. R. Kirkpatrick

Phys. Rev. Lett. 73, 2571 (1994) - Published 7 November, 1994

Condensed Matter: Structure, Etc.

Heat-Diffusion Central Peak in the Elastic Susceptibility of KSCN

W. Schranz and D. Havlik

Phys. Rev. Lett. 73, 2575 (1994) - Published 7 November, 1994

Critical Behavior of an Interacting Monomer-Dimer Model

Mann Ho Kim and Hyunggyu Park

Phys. Rev. Lett. 73, 2579 (1994) - Published 7 November, 1994

$T^{- 3}$ Temperature Dependence and a Length Scale for the Thermal Boundary Resistance between a Saturated Dilute ${}^{3}{He}$ - ${}^{4}{He}$ Solution and Sintered Silver

D. J. Cousins, S. N. Fisher, A. M. Guénault, G. R. Pickett, E. N. Smith, and R. P. Turner

Phys. Rev. Lett. 73, 2583 (1994) - Published 7 November, 1994

Steady-State Production of High Nuclear Polarization in ${}^{3}{He}$ - ${}^{4}{He}$ Mixtures

D. Candela, M. E. Hayden, and P. J. Nacher

Phys. Rev. Lett. 73, 2587 (1994) - Published 7 November, 1994

Diffusion of Large Two-Dimensional Ag Clusters on Ag(100)

J. -M. Wen, S. -L. Chang, J. W. Burnett, J. W. Evans, and P. A. Thiel

Phys. Rev. Lett. 73, 2591 (1994) - Published 7 November, 1994

Computer Experiments for Surface Diffusion: The Real Time in Monte Carlo Simulation

Pei-Lin Cao

Phys. Rev. Lett. 73, 2595 (1994) - Published 7 November, 1994

Condensed Matter: Electronic Properties, Etc.

Ab Initio Molecular Dynamics with Excited Electrons

Ali Alavi, Jorge Kohanoff, Michele Parrinello, and Daan Frenkel

Phys. Rev. Lett. 73, 2599 (1994) - Published 7 November, 1994

Metal-Insulator and Insulator-Insulator Transitions in the Quarter-Filled Band Organic Conductors

K. C. Ung, S. Mazumdar, and D. Toussaint

Phys. Rev. Lett. 73, 2603 (1994) - Published 7 November, 1994

Coherent Propagation of Two Interacting Particles in a Random Potential

D. L. Shepelyansky

Phys. Rev. Lett. 73, 2607 (1994) - Published 7 November, 1994

Subgap Structure as Function of the Barrier in Atom-Size Superconducting Tunnel Junctions

N. van der Post, E. T. Peters, I. K. Yanson, and J. M. van Ruitenbeek

Phys. Rev. Lett. 73, 2611 (1994) - Published 7 November, 1994

Peak Effect as a Precursor to Vortex Lattice Melting in Single Crystal $Y {Ba}_{2} {Cu}_{3} O_{7 - δ}$

W. K. Kwok, J. A. Fendrich, C. J. van der Beek, and G. W. Crabtree

Phys. Rev. Lett. 73, 2614 (1994) - Published 7 November, 1994

Fluctuations and Intrinsic Pinning in Layered Superconductors

Leon Balents and David R. Nelson

Phys. Rev. Lett. 73, 2618 (1994) - Published 7 November, 1994

Random Exchange Heisenberg Chain for Classical and Quantum Spins

A. Furusaki, M. Sigrist, P. A. Lee, K. Tanaka, and N. Nagaosa

Phys. Rev. Lett. 73, 2622 (1994) - Published 7 November, 1994

Inelastic Neutron Scattering from the Spin Ladder Compound ${(VO)}_{2}$ $P_{2}$ $O_{7}$

R. S. Eccleston, T. Barnes, J. Brody, and J. W. Johnson

Phys. Rev. Lett. 73, 2626 (1994) - Published 7 November, 1994

Positive Ion Emission from Excimer Laser Excited MgO Surfaces

J. T. Dickinson, S. C. Langford, J. J. Shin, and D. L. Doering

Phys. Rev. Lett. 73, 2630 (1994) - Published 7 November, 1994

COMMENTS

Comment on "Nanosecond-Gated Detection of Room-Temperature Fluorescence of $C_{60}$ in Solution"

N. W. Song, Y. J. Lee, S. K. Kim, and D. Kim

Phys. Rev. Lett. 73, 2634 (1994) - Published 7 November, 1994

Andreoni, Bondani, and Consolati Reply

A. Andreoni, M. Bondani, and G. Consolati

Phys. Rev. Lett. 73, 2635 (1994) - Published 7 November, 1994

ERRATA

Study of ${Rb}_{2}$ Long-Range States by High-REsolution Photoassociation Spectroscopy

R. A. Cline, J. D. Miller, and D. J. Heinzen

Phys. Rev. Lett. 73, 2636 (1994) - Published 7 November, 1994

QED Correction of $O (α^{6} m c^{2})$ to the Fine Structure Splittings of Helium and Positronium

Tao Zhang and G. W. F. Drake

Phys. Rev. Lett. 73, 2637 (1994) - Published 7 November, 1994

Activated Conductivity in the Quantum Hall Effect

D. G. Polyakov and B. I. Shklovskii

Phys. Rev. Lett. 73, 2638 (1994) - Published 7 November, 1994

Ferroelectric Domain Gratings in Strontium Barium Niobate Induced by Photorefractive Space Charge Fields

Anthony S. Kewitsch, Mordechai Segev, Amnon Yariv, Gregory J. Salamo, Terrence W. Towe, Edward J. Sharp, and Ratnakar R. Neurgaonkar

Phys. Rev. Lett. 73, 2638 (1994) - Published 7 November, 1994

Coherent Electric-Field Effects in Semiconductors

T. Meier, G. vol Plessen, P. Thomas, and S. W. Koch

Phys. Rev. Lett. 73, 2638 (1994) - Published 7 November, 1994