Volume 81, Issue 4

R. Grzywacz, R. Béraud, C. Borcea, A. Emsallem, M. Glogowski, H. Grawe, D. Guillemaud-Mueller, M. Hjorth-Jensen, M. Houry, M. Lewitowicz, A. C. Mueller, A. Nowak, A. Płochocki, M. Pfützner, K. Rykaczewski, M. G. Saint-Laurent, J. E. Sauvestre, M. Schaefer, O. Sorlin, J. Szerypo, W. Trinder, S. Viteritti, and J. Winfield

Phys. Rev. Lett. 81, 766 (1998) - Published 27 July, 1998

$Z$ -Dependent Barriers in Multifragmentation from Poissonian Reducibility and Thermal Scaling

L. Beaulieu, L. Phair, L. G. Moretto, and G. J. Wozniak

Phys. Rev. Lett. 81, 770 (1998) - Published 27 July, 1998

Atomic, Molecular, and Optical Physics

Relativistic and QED Energies in Lithium

Zong-Chao Yan and G. W. F. Drake

Phys. Rev. Lett. 81, 774 (1998) - Published 27 July, 1998

Laser Photoelectron Attachment to Molecules in a Skimmed Supersonic Beam: Diagnostics of Weak Electric Fields and Attachment Cross Sections Down to $20 μ eV$

A. Schramm, J. M. Weber, J. Kreil, D. Klar, M.-W. Ruf, and H. Hotop

Phys. Rev. Lett. 81, 778 (1998) - Published 27 July, 1998

Low Saturation Intensities in Two-Photon Ultracold Collisions

C. I. Sukenik, D. Hoffmann, S. Bali, and T. Walker

Phys. Rev. Lett. 81, 782 (1998) - Published 27 July, 1998

Observation of Multimode Quantum Correlations in Fiber Optical Solitons

S. Spälter, N. Korolkova, F. König, A. Sizmann, and G. Leuchs

Phys. Rev. Lett. 81, 786 (1998) - Published 27 July, 1998

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Self-Bouncing of Quadratic Solitons

Carl Balslev Clausen and Lluis Torner

Phys. Rev. Lett. 81, 790 (1998) - Published 27 July, 1998

Vertical and Horizontal Vibration of Granular Materials: Coulomb Friction and a Novel Switching State

Sarath G. K. Tennakoon and R. P. Behringer

Phys. Rev. Lett. 81, 794 (1998) - Published 27 July, 1998

Density Oscillator: Analysis of Flow Dynamics and Stability

O. Steinbock, A. Lange, and I. Rehberg

Phys. Rev. Lett. 81, 798 (1998) - Published 27 July, 1998

Universal Scaling Exponents in Shell Models of Turbulence: Viscous Effects Are Finite-Sized Corrections to Scaling

Victor S. L'vov, Itamar Procaccia, and Damien Vandembroucq

Phys. Rev. Lett. 81, 802 (1998) - Published 27 July, 1998

Square Patterns in Rayleigh-Bénard Convection with Rotation about a Vertical Axis

Kapil M. S. Bajaj, Jun Liu, Brian Naberhuis, and Guenter Ahlers

Phys. Rev. Lett. 81, 806 (1998) - Published 27 July, 1998

Plasma and Beam Physics

Self-Amplified Spontaneous Emission Driven by a High-Brightness Electron Beam

D. C. Nguyen, R. L. Sheffield, C. M. Fortgang, J. C. Goldstein, J. M. Kinross-Wright, and N. A. Ebrahim

Phys. Rev. Lett. 81, 810 (1998) - Published 27 July, 1998

Near-LTE Linear Response Calculations with a Collisional-Radiative Model for He-like Al Ions

Richard More and Takako Kato

Phys. Rev. Lett. 81, 814 (1998) - Published 27 July, 1998

Experimental Evidence of Molecular Activated Recombination in Detached Recombining Plasmas

N. Ohno, N. Ezumi, S. Takamura, S. I. Krasheninnikov, and A. Yu. Pigarov

Phys. Rev. Lett. 81, 818 (1998) - Published 27 July, 1998

Experimental Measurements of Hot Electrons Generated by Ultraintense ( $> 10^{19} W / {cm}^{2}$ ) Laser-Plasma Interactions on Solid-Density Targets

K. B. Wharton, S. P. Hatchett, S. C. Wilks, M. H. Key, J. D. Moody, V. Yanovsky, A. A. Offenberger, B. A. Hammel, M. D. Perry, and C. Joshi

Phys. Rev. Lett. 81, 822 (1998) - Published 27 July, 1998

Debye-Scale Plasma Structures Associated with Magnetic-Field-Aligned Electric Fields

R. E. Ergun, C. W. Carlson, J. P. McFadden, F. S. Mozer, L. Muschietti, I. Roth, and R. J. Strangeway

Phys. Rev. Lett. 81, 826 (1998) - Published 27 July, 1998

Condensed Matter: Structure, etc.

Compton Scattering from PTFE: Probing Electron-Charge Redistributionin Polymer Phase Transitions

D. L. Anastassopoulos, G. D. Priftis, C. Toprakcioglu, and A. A. Vradis

Phys. Rev. Lett. 81, 830 (1998) - Published 27 July, 1998

Kinetic Ising Model in an Oscillating Field: Finite-Size Scaling at the Dynamic Phase Transition

S. W. Sides, P. A. Rikvold, and M. A. Novotny

Phys. Rev. Lett. 81, 834 (1998) - Published 27 July, 1998

Phase Nucleation of Elastic Defects in Crystals Undergoing a Phase Transition

A. A. Boulbitch and P. Tolédano

Phys. Rev. Lett. 81, 838 (1998) - Published 27 July, 1998

Identification of Silicon Interstitials in Ion Implanted GaAs

T. Ahlgren

Phys. Rev. Lett. 81, 842 (1998) - Published 27 July, 1998

Critical Behavior of the Shear Resistance of Solid $^{4} He$ near a Structural Phase Transition

Inon Berent and Emil Polturak

Phys. Rev. Lett. 81, 846 (1998) - Published 27 July, 1998

Atomistic Mechanism of Surfactant-Assisted Epitaxial Growth

J. Camarero, J. Ferrón, V. Cros, L. Gómez, A. L. Vázquez de Parga, J. M. Gallego, J. E. Prieto, J. J. de Miguel, and R. Miranda

Phys. Rev. Lett. 81, 850 (1998) - Published 27 July, 1998

Importance of the Surface Electronic Structure in Heteroepitaxy

H. Wormeester, E. Hüger, and E. Bauer

Phys. Rev. Lett. 81, 854 (1998) - Published 27 July, 1998

Magic Islands in Si/Si(111) Homoepitaxy

Bert Voigtländer, Martin Kästner, and Pavel Šmilauer

Phys. Rev. Lett. 81, 858 (1998) - Published 27 July, 1998

Condensed Matter: Electronic Properties, etc.

Delocalization in Coupled One-Dimensional Chains

P. W. Brouwer, C. Mudry, B. D. Simons, and A. Altland

Phys. Rev. Lett. 81, 862 (1998) - Published 27 July, 1998

Natural Orbital Functional for the Many-Electron Problem

S. Goedecker and C. J. Umrigar

Phys. Rev. Lett. 81, 866 (1998) - Published 27 July, 1998

Quantum Interference in the Spin-Polarized Heavy Fermion Compound ${CeB}_{6}$ : Evidence for Topological Deformation of the Fermi Surface in Strong Magnetic Fields

N. Harrison, D. W. Hall, R. G. Goodrich, J. J. Vuillemin, and Z. Fisk

Phys. Rev. Lett. 81, 870 (1998) - Published 27 July, 1998

Fano Resonances in Semiconductor Superlattices

C. P. Holfeld, F. Löser, M. Sudzius, K. Leo, D. M. Whittaker, and K. Köhler

Phys. Rev. Lett. 81, 874 (1998) - Published 27 July, 1998

Crossover from Large to Small Polarons across the Metal-Insulator Transition in Manganites

A. Lanzara, N. L. Saini, M. Brunelli, F. Natali, A. Bianconi, P. G. Radaelli, and S.-W. Cheong

Phys. Rev. Lett. 81, 878 (1998) - Published 27 July, 1998

Ultrafast Quantum Kinetics of Time-Dependent RPA-Screened Coulomb Scattering

L. Bányai, Q. T. Vu, B. Mieck, and H. Haug

Phys. Rev. Lett. 81, 882 (1998) - Published 27 July, 1998

Direct Observation of Complete Fermi Surface, Imperfect Nesting, and Gap Anisotropy in the High-Temperature Incommensurate Charge-Density-Wave Compound ${SmTe}_{3}$

G.-H. Gweon, J. D. Denlinger, J. A. Clack, J. W. Allen, C. G. Olson, E. DiMasi, M. C. Aronson, B. Foran, and S. Lee

Phys. Rev. Lett. 81, 886 (1998) - Published 27 July, 1998

Interdisciplinary Physics: Biological Physics, Quantum Information, etc.

Asymmetric Flow in Symmetric Branched Structures

J. S. Andrade, Jr., A. M. Alencar, M. P. Almeida, J. Mendes Filho, S. V. Buldyrev, S. Zapperi, H. E. Stanley, and B. Suki

Phys. Rev. Lett. 81, 926 (1998) - Published 27 July, 1998

COMMENTS

Comment on “Aging Effects in a Lennard-Jones Glass”

Uwe Müssel and Heiko Rieger

Phys. Rev. Lett. 81, 930 (1998) - Published 27 July, 1998

Kob and Barrat Reply:

Walter Kob and Jean-Louis Barrat

Phys. Rev. Lett. 81, 931 (1998) - Published 27 July, 1998