Volume 57, Issue 15

J. W. A. den Herder, J. A. Hendriks, E. Jans, P. H. M. Keizer, G. J. Kramer, L. Lapikás, E. N. M. Quint, P. K. A. de Witt Huberts, H. P. Blok, and G. van der Steenhoven

Phys. Rev. Lett. 57, 1843 (1986) - Published 13 October, 1986

Atoms and Molecules

Repolarization of Negative Muons by Polarized ${}^{209}{Bi}$ Nuclei

R. Kadono, J. Imazato, T. Ishikawa, K. Nishiyama, K. Nagamine, T. Yamazaki, A. Bosshard, M. Döbeli, L. van Elmbt, M. Schaad, P. Truöl, A. Bay, J. P. Perroud, J. Deutsch, B. Tasiaux, and E. Hagn

Phys. Rev. Lett. 57, 1847 (1986) - Published 13 October, 1986

Size-Selective Depletion Spectroscopy of Predissociated States of ${Na}_{3}$

M. Broyer, G. Delacretaz, P. Labastie, J. P. Wolf, and L. Wöste

Phys. Rev. Lett. 57, 1851 (1986) - Published 13 October, 1986

Measurement of Spin Dependence in Low-Energy Elastic Scattering of Electrons from Lithium Atoms

G. Baum, M. Moede, W. Raith, and U. Sillmen

Phys. Rev. Lett. 57, 1855 (1986) - Published 13 October, 1986

Influence of Dielectronic Recombination on Fast Heavy-Ion Charge States in a Plasma

Th. Peter, R. Arnold, and J. Meyer-ter-Vehn

Phys. Rev. Lett. 57, 1859 (1986) - Published 13 October, 1986

High-Resolution Microwave Spectroscopy of the $10 G - 10 H$ Rydberg Transition in $H_{2}$

W. G. Sturrus, E. A. Hessels, and S. R. Lundeen

Phys. Rev. Lett. 57, 1863 (1986) - Published 13 October, 1986

Fundamental Phenomenology and Applications

Propagation and Dephasing of Picosecond Phonon Polariton Pulses in Ammonium Chloride

G. M. Gale, F. Vallée, and C. Flytzanis

Phys. Rev. Lett. 57, 1867 (1986) - Published 13 October, 1986

Three-Dimensional Analysis of Coherent Amplification and Self-Amplified Spontaneous Emission in Free-Electron Lasers

Kwang-Je Kim

Phys. Rev. Lett. 57, 1871 (1986) - Published 13 October, 1986

Viscous Fingers and Diffusion-Limited Aggregates near Percolation

Michael Murat and Amnon Aharony

Phys. Rev. Lett. 57, 1875 (1986) - Published 13 October, 1986

Scalar-Wave Localization in a Two-Component Composite

Ping Sheng and Zhao-Qing Zhang

Phys. Rev. Lett. 57, 1879 (1986) - Published 13 October, 1986

Coherent Vortices and Subharmonic Interactions in the Two-Dimensional Navier-Stokes Equations

H. T. Moon

Phys. Rev. Lett. 57, 1883 (1986) - Published 13 October, 1986

Fluids, Plasmas, and Electric Discharges

Nonlocal Electron Heat Transport by Not Quite Maxwell-Boltzmann Distributions

J. R. Albritton, E. A. Williams, I. B. Bernstein, and K. P. Swartz

Phys. Rev. Lett. 57, 1887 (1986) - Published 13 October, 1986

High- $β$ Plasmas in the PBX Tokamak

K. Bol et al.

Phys. Rev. Lett. 57, 1891 (1986) - Published 13 October, 1986

High-Efficiency, Magnetized, Virtual-Cathode Microwave Generator

Thomas J. T. Kwan

Phys. Rev. Lett. 57, 1895 (1986) - Published 13 October, 1986

Self-Consistency Constraints on Turbulent Magnetic Transport and Relaxation in a Collisionless Plasma

P. W. Terry, P. H. Diamond, and T. S. Hahm

Phys. Rev. Lett. 57, 1899 (1986) - Published 13 October, 1986

Condensed Matter: Structure, Etc.

Formation of a Dense Branching Morphology in Interfacial Growth

E. Ben-Jacob, G. Deutscher, P. Garik, Nigel D. Goldenfeld, and Y. Lareah

Phys. Rev. Lett. 57, 1903 (1986) - Published 13 October, 1986

Contributions of Phasons and of Low-Energy Excitations to the Specific Heat of the Quasi One-Dimensional Compound ${(T a {Se}_{4})}_{2}$ I

K. Biljakovic, J. C. Lasjaunias, F. Zougmore, P. Monceau, F. Levy, L. Bernard, and R. Currat

Phys. Rev. Lett. 57, 1907 (1986) - Published 13 October, 1986

Long-Range Crossover and "Nonuniversal" Exponents in Micellar Solutions

Michael E. Fisher

Phys. Rev. Lett. 57, 1911 (1986) - Published 13 October, 1986

Anion-Ordering Phase Diagram of Di(tetramethyltetraselenafulvalenium) Perrhenate, ${(TMTSF)}_{2}$ Re $O_{4}$

R. Moret, S. Ravy, J. P. Pouget, R. Comes, and K. Bechgaard

Phys. Rev. Lett. 57, 1915 (1986) - Published 13 October, 1986

Grain-Boundary Melting Transition in an Atomistic Simulation Model

Tue Nguyen, Paul S. Ho, Thomas Kwok, Cynthia Nitta, and Sidney Yip

Phys. Rev. Lett. 57, 1919 (1986) - Published 13 October, 1986

Focusing of Negative Ions by Vortices in Rotating ${}^{3}{He} - A$

J. T. Simola, K. K. Nummila, A. Hirai, J. S. Korhonen, W. Schoepe, and L. Skrbek

Phys. Rev. Lett. 57, 1923 (1986) - Published 13 October, 1986

Condensed Matter: Electronic Properties, Etc.

Interference Phenomena and Mode Locking in the Model of Deformable Sliding Charge-Density Waves

S. N. Coppersmith and P. B. Littlewood

Phys. Rev. Lett. 57, 1927 (1986) - Published 13 October, 1986

Evidence of the Anomalous Charge State ${}^{57}{Fe}^{4 +}$ in the Nuclear Decay of ${}^{57}{Co}^{3 +}$

J. Fontcuberta, A. Fernández, and J. B. Goodenough

Phys. Rev. Lett. 57, 1931 (1986) - Published 13 October, 1986

Coherent Primakoff Effect: Pion Creation in Aligned Crystals

J. C. Kimball and N. Cue

Phys. Rev. Lett. 57, 1935 (1986) - Published 13 October, 1986

Thermal-Donor-Related Isoelectronic Center in Silicon Which Can Bind up to Four Excitons

M. L. W. Thewalt, A. G. Steele, S. P. Watkins, and E. C. Lightowlers

Phys. Rev. Lett. 57, 1939 (1986) - Published 13 October, 1986

Nonuniversality of the Mooij Correlation—the Temperature Coefficient of Electrical Resistivity of Disordered Metals

C. C. Tsuei

Phys. Rev. Lett. 57, 1943 (1986) - Published 13 October, 1986

Crossover from Spin Waves to Quasilocalized Excitations in the Diluted Antiferromagnet ( ${Mn}_{0.5}$ ${Zn}_{0.5}$ ) $F_{2}$

Y. J. Uemura and R. J. Birgeneau

Phys. Rev. Lett. 57, 1947 (1986) - Published 13 October, 1986

Observation of an Energy- and Temperature-Dependent Carrier Mass for Mixed-Valence Ce ${Pd}_{3}$

B. C. Webb, A. J. Sievers, and T. Mihalisin

Phys. Rev. Lett. 57, 1951 (1986) - Published 13 October, 1986

One-Component Fermi-Liquid Theory and the Properties of U ${Pt}_{3}$

C. J. Pethick, David Pines, K. F. Quader, K. S. Bedell, and G. E. Brown

Phys. Rev. Lett. 57, 1955 (1986) - Published 13 October, 1986

COMMENTS

Alternative Explanations of the Eötvös Results

E. Fischbach, D. Sudarsky, A. Szafer, C. Talmadge, and S. H. Aronson

Phys. Rev. Lett. 57, 1959 (1986) - Published 13 October, 1986

Comment on "Free-Electron Laser and Laser Electron Acceleration Based on the Megagauss Magnetic Fields in Laser-Produced Plasmas"

T. Katsouleas, C. Joshi, and W. B. Mori

Phys. Rev. Lett. 57, 1960 (1986) - Published 13 October, 1986

Comment on "Universal Disorder-Induced Transition in the Resistivity Behavior of Strongly Coupled Metals"

S. Ramakrishnan and Girish Chandra

Phys. Rev. Lett. 57, 1961 (1986) - Published 13 October, 1986

Gurvitch Responds

M. Gurvitch

Phys. Rev. Lett. 57, 1962 (1986) - Published 13 October, 1986