Volume 79, Issue 5

W.-c. Hsi, K. Kwiatkowski, G. Wang, D. S. Bracken, E. Cornell, D. S. Ginger, V. E. Viola, N. R. Yoder, R. G. Korteling, F. Gimeno-Nogures, E. Ramakrishnan, D. Rowland, S. J. Yennello, M. J. Huang, W. G. Lynch, M. B. Tsang, H. Xi, Y. Y. Chu, S. Gushue, L. P. Remsberg, K. B. Morley, and H. Breuer

Phys. Rev. Lett. 79, 817 (1997) - Published 4 August, 1997

Atomic, Molecular, and Optical Physics

Multiphoton Localization and Propagating Quantum Gap Solitons in a Frequency Gap Medium

Sajeev John and Valery I. Rupasov

Phys. Rev. Lett. 79, 821 (1997) - Published 4 August, 1997

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Periodic Orbit Quantization by Harmonic Inversion of Gutzwiller's Recurrence Function

Jörg Main, Vladimir A. Mandelshtam, and Howard S. Taylor

Phys. Rev. Lett. 79, 825 (1997) - Published 4 August, 1997

A Simple Model for Granular Convection

Troy Shinbrot, Devang Khakhar, J. J. McCarthy, and Julio M. Ottino

Phys. Rev. Lett. 79, 829 (1997) - Published 4 August, 1997

Phase Diagram and Scaling of Granular Materials under Horizontal Vibrations

Gerald H. Ristow, Gunther Straßburger, and Ingo Rehberg

Phys. Rev. Lett. 79, 833 (1997) - Published 4 August, 1997

Plasma and Beam Physics

Helicity Injection by Knotted Antennas into Electron Magnetohydrodynamical Plasmas

C. L. Rousculp and R. L. Stenzel

Phys. Rev. Lett. 79, 837 (1997) - Published 4 August, 1997

Measurements of Nonlinear Energy Transfer in Turbulence in the Tokamak Fusion Test Reactor

J. S. Kim, R. J. Fonck, R. D. Durst, E. Fernandez, P. W. Terry, S. F. Paul, and M. C. Zarnstorff

Phys. Rev. Lett. 79, 841 (1997) - Published 4 August, 1997

Pattern-Dependent Charging in Plasmas: Electron Temperature Effects

Gyeong S. Hwang and Konstantinos P. Giapis

Phys. Rev. Lett. 79, 845 (1997) - Published 4 August, 1997

Condensed Matter: Structure, Etc.

Polymeric Bicontinuous Microemulsions

Frank S. Bates, Wayne W. Maurer, Paul M. Lipic, Marc A. Hillmyer, Kristoffer Almdal, Kell Mortensen, Glenn H. Fredrickson, and Timothy P. Lodge

Phys. Rev. Lett. 79, 849 (1997) - Published 4 August, 1997

Scanning Motions of an Atomic Force Microscope Tip in Water

Kenichiro Koga and X. C. Zeng

Phys. Rev. Lett. 79, 853 (1997) - Published 4 August, 1997

Paradoxal Diffusion in Chemical Space for Nearest-Neighbor Walks over Polymer Chains

I. M. Sokolov, J. Mai, and A. Blumen

Phys. Rev. Lett. 79, 857 (1997) - Published 4 August, 1997

Superstructure and Color Symmetry in Quasicrystals

Akiji Yamamoto and Steffen Weber

Phys. Rev. Lett. 79, 861 (1997) - Published 4 August, 1997

Dielectric Dispersion Measurements of CdSe Nanocrystal Colloids: Observation of a Permanent Dipole Moment

Sean A. Blanton, Robert L. Leheny, Margaret A. Hines, and Philippe Guyot-Sionnest

Phys. Rev. Lett. 79, 865 (1997) - Published 4 August, 1997

Sliding Mechanisms in Aluminum Grain Boundaries

C. Molteni, Nicola Marzari, M. C. Payne, and V. Heine

Phys. Rev. Lett. 79, 869 (1997) - Published 4 August, 1997

Quasistatic Crack Propagation in Heterogeneous Media

Sharad Ramanathan, Deniz Ertaş, and Daniel S. Fisher

Phys. Rev. Lett. 79, 873 (1997) - Published 4 August, 1997

Dynamics and Instabilities of Planar Tensile Cracks in Heterogeneous Media

Sharad Ramanathan and Daniel S. Fisher

Phys. Rev. Lett. 79, 877 (1997) - Published 4 August, 1997

A New Phase-Coherent Light Scattering Method: First Observation of Complex Brillouin Spectra

Hajime Tanaka, Tsuyoshi Sonehara, and Shinsaku Takagi

Phys. Rev. Lett. 79, 881 (1997) - Published 4 August, 1997

Numerical Observation of a Tubular Phase in Anisotropic Membranes

Mark Bowick, Marco Falcioni, and Gudmar Thorleifsson

Phys. Rev. Lett. 79, 885 (1997) - Published 4 August, 1997

Aging in a Model of Self-Organized Criticality

Stefan Boettcher and Maya Paczuski

Phys. Rev. Lett. 79, 889 (1997) - Published 4 August, 1997

Novel Surface Modes in Spinodal Decomposition

Hans Peter Fischer, Philipp Maass, and Wolfgang Dieterich

Phys. Rev. Lett. 79, 893 (1997) - Published 4 August, 1997

Mean-Field Theory of Quantum Dot Formation

Harvey T. Dobbs, Dimitri D. Vvedensky, Andrew Zangwill, Jonas Johansson, Niclas Carlsson, and Werner Seifert

Phys. Rev. Lett. 79, 897 (1997) - Published 4 August, 1997

Reversible Tuning of the Magnetic Exchange Coupling in Fe/V (001) Superlattices Using Hydrogen

B. Hjörvarsson, J. A. Dura, P. Isberg, T. Watanabe, T. J. Udovic, G. Andersson, and C. F. Majkrzak

Phys. Rev. Lett. 79, 901 (1997) - Published 4 August, 1997

Molecular Dynamics Study of Coherent Island Energetics, Stresses, and Strains in Highly Strained Epitaxy

Wenbin Yu and Anupam Madhukar

Phys. Rev. Lett. 79, 905 (1997) - Published 4 August, 1997

The Molecular Volcano: Abrupt CC $l_{4}$ Desorption Driven by the Crystallization of Amorphous Solid Water

R. Scott Smith, C. Huang, E. K. L. Wong, and Bruce D. Kay

Phys. Rev. Lett. 79, 909 (1997) - Published 4 August, 1997

Condensed Matter: Electronic Properties, Etc.

Distribution of Parametric Conductance Derivatives of a Quantum Dot

P. W. Brouwer, S. A. van Langen, K. M. Frahm, M. Büttiker, and C. W. J. Beenakker

Phys. Rev. Lett. 79, 913 (1997) - Published 4 August, 1997

Double-Layer Quantum Hall Antiferromagnetism at Filling Fraction $ν = 2 / m$ where $m$ is an Odd Integer

S. Das Sarma, Subir Sachdev, and Lian Zheng

Phys. Rev. Lett. 79, 917 (1997) - Published 4 August, 1997

Paramagnetic Breakdown of Superconductivity in Ultrasmall Metallic Grains

Fabian Braun, Jan von Delft, D. C. Ralph, and M. Tinkham

Phys. Rev. Lett. 79, 921 (1997) - Published 4 August, 1997

Identification of Nuclear Relaxation Processes in a Gapped Quantum Magnet: $^{1} H$ NMR in the $S = \frac{1}{2}$ Heisenberg Ladder ${Cu}_{2} (C_{5} H_{12} N_{2})_{2} {Cl}_{4}$

G. Chaboussant, M.-H. Julien, Y. Fagot-Revurat, L. P. Lévy, C. Berthier, M. Horvatić, and O. Piovesana

Phys. Rev. Lett. 79, 925 (1997) - Published 4 August, 1997

Cross-Disciplinary Physics

Friction in Granular Layers: Hysteresis and Precursors

S. Nasuno, A. Kudrolli, and J. P. Gollub

Phys. Rev. Lett. 79, 949 (1997) - Published 4 August, 1997

A Nonadditive Quantum Code

Eric M. Rains, R. H. Hardin, Peter W. Shor, and N. J. A. Sloane

Phys. Rev. Lett. 79, 953 (1997) - Published 4 August, 1997

COMMENTS

Comment on ``Anomalous Temperature Dependence of the X-Ray Diffuse Scattering Intensity of C $u_{3}$ Au”

V. Ozoliņs̆, C. Wolverton, and Alex Zunger

Phys. Rev. Lett. 79, 955 (1997) - Published 4 August, 1997

Reichert, Moss, and K. S. Liang Reply:

H. Reichert, S. C. Moss, and K. S. Liang

Phys. Rev. Lett. 79, 956 (1997) - Published 4 August, 1997

ERRATA

First-Passage Exponent in Two-Dimensional Soap Froth [Phys. Rev. Lett. 78, 1588 (1997)]

W. Y. Tam, R. Zeitak, K. Y. Szeto, and J. Stavans

Phys. Rev. Lett. 79, 957 (1997) - Published 4 August, 1997

Identification and Quantification of Defects in Highly Si-Doped GaAs by Positron Annihilation and Scanning Tunneling Microscopy [Phys. Rev. Lett. 78, 3334 (1997)]

J. Gebauer, R. Krause-Rehberg, C. Domke, Ph. Ebert, and K. Urban

Phys. Rev. Lett. 79, 958 (1997) - Published 4 August, 1997

Measurement of Leading Particle Effects in Decays of $Z^{0}$ Bosons into Light Flavors [Phys. Rev. Lett. 78, 3442 (1997)]

K. Abe et al. (SLD Collaboration)

Phys. Rev. Lett. 79, 959 (1997) - Published 4 August, 1997

Nonequilibrium Magnetization Dynamics of Nickel [Phys. Rev. Lett. 78, 4861 (1997)]

J. Hohlfeld, E. Matthias, R. Knorren, and K. H. Bennemann

Phys. Rev. Lett. 79, 960 (1997) - Published 4 August, 1997