Volume 52, Issue 18

H. A. Gustafsson, H. H. Gutbrod, B. Kolb, H. Löhner, B. Ludewigt, A. M. Poskanzer, T. Renner, H. Riedesel, H. G. Ritter, A. Warwick, F. Weik, and H. Wieman

Phys. Rev. Lett. 52, 1590 (1984) - Published 30 April, 1984

Kinetic Energy Flow in $Nb (400 A MeV) + Nb$ : Evidence for Hydrodynamic Compression of Nuclear Matter

G. Buchwald, G. Graebner, J. Theis, J. Maruhn, W. Greiner, and H. Stöcker

Phys. Rev. Lett. 52, 1594 (1984) - Published 30 April, 1984

Statistical Nuclear Theory as an Anderson Model of Dimensionality Zero

J. J. M. Verbaarschot, H. A. Weidenmüller, and M. R. Zirnbauer

Phys. Rev. Lett. 52, 1597 (1984) - Published 30 April, 1984

Successful Betatron Acceleration of Kiloampere Electron Rings in RECE-Christa

D. P. Taggart, M. R. Parker, H. J. Hopman, R. Jayakumar, and H. H. Fleischmann

Phys. Rev. Lett. 52, 1601 (1984) - Published 30 April, 1984

Classical Phenomenology and Applications

Observation of Higher Order Dynamical States of a Homogeneously Broadened Laser

Lloyd W. Hillman, Jerzy Krasiński, Robert W. Boyd, and C. R. Stroud, Jr.

Phys. Rev. Lett. 52, 1605 (1984) - Published 30 April, 1984

Fluids, Plasmas, and Electric Discharges

Observation of Second-Harmonic Ion Bernstein Waves Excited by Fast-Wave Mode Conversion in the Microtor Tokamak

H. Park, N. C. Luhmann, Jr., W. A. Peebles, and R. Kirkwood

Phys. Rev. Lett. 52, 1609 (1984) - Published 30 April, 1984

Scattering of Relativistic Electrons on Electric Field Concentrations in a Turbulent Plasma

H. J. Hopman and G. C. A. M. Janssen

Phys. Rev. Lett. 52, 1613 (1984) - Published 30 April, 1984

Stabilization of Resistive Ballooning Modes in High-Temperature Plasmas

A. K. Sundaram, A. Sen, and P. K. Kaw

Phys. Rev. Lett. 52, 1617 (1984) - Published 30 April, 1984

Condensed Matter: Structure, Etc.

Diffusion-Limited Aggregation and Two-Fluid Displacements in Porous Media

Lincoln Paterson

Phys. Rev. Lett. 52, 1621 (1984) - Published 30 April, 1984

Hall Voltage Induced by Hydrogen Diffusion in Palladium

A. H. Verbruggen, R. Griessen, and J. H. Rector

Phys. Rev. Lett. 52, 1625 (1984) - Published 30 April, 1984

Plastic Deformation of Vanadium Single Crystals during High-Dose Arsenic-Ion Implantation

O. Meyer and A. Azzam

Phys. Rev. Lett. 52, 1629 (1984) - Published 30 April, 1984

Condensed Matter: Electronic Properties, Etc.

Atomic Intermixing and Electronic Interaction at the Pd-Si(111) Interface

O. Bisi and K. N. Tu

Phys. Rev. Lett. 52, 1633 (1984) - Published 30 April, 1984

Spin-Polarized Tunneling Measurement of the Antisymmetric Fermi-Liquid Parameter $G^{0}$ and Renormalization of the Pauli Limiting Field in A1

P. M. Tedrow, J. T. Kucera, D. Rainer, and T. P. Orlando

Phys. Rev. Lett. 52, 1637 (1984) - Published 30 April, 1984

$T$ Dependence of the Conductance in Quasi One-Dimensional Systems

M. Ya. Azbel, A. Hartstein, and D. P. DiVincenzo

Phys. Rev. Lett. 52, 1641 (1984) - Published 30 April, 1984

New Class of Related Optical Defects in Silicon Implanted with the Noble Gases He, Ne, Ar, Kr, and Xe

N. Bürger, K. Thonke, R. Sauer, and G. Pensl

Phys. Rev. Lett. 52, 1645 (1984) - Published 30 April, 1984

Pseudospin Dynamics of the One-Dimensional $S = \frac{1}{2}$ XY System Pr ${Cl}_{3}$ Studied by Electronic Raman Scattering

Etienne Goovaerts, Hans De Raedt, and Dirk Schoemaker

Phys. Rev. Lett. 52, 1649 (1984) - Published 30 April, 1984

COMMENTS

No New Critical Point in the Vicinity of the Freezing Temperature of $K_{2}$ Cs

A. Simon

Phys. Rev. Lett. 52, 1653 (1984) - Published 30 April, 1984

ERRATA

Violations of Bell's Inequality in Cooperative States

P. D. Drummond

Phys. Rev. Lett. 52, 1654 (1984) - Published 30 April, 1984

Electron Capture by $U^{91 +}$ and $U^{92 +}$ and Ionization of $U^{90 +}$ and $U^{91 +}$

Harvey Gould, Douglas Greiner, Peter Lindstrom, T. J. M. Symons, and Henry Crawford

Phys. Rev. Lett. 52, 1654 (1984) - Published 30 April, 1984

Resonant Mesonic-Molecule Formation in Muon-Catalyzed D-T Fusion

M. Leon

Phys. Rev. Lett. 52, 1655 (1984) - Published 30 April, 1984

Physical Review Letters

Volume 52, Issue 18

LETTERS

General Physics

Fractal Geometry and Brownian Motion: A New Parameter to Describe Molecular Motion

Conformal Invariance, Unitarity, and Critical Exponents in Two Dimensions

Time-Dependent Behavior of the Spin-½ Anisotropic Heisenberg Model in Infinite Lattice Dimensions

Statistics of Quasiparticles and the Hierarchy of Fractional Quantized Hall States

Chiral Anomaly and the Rational Quantization of the Hall Conductance

Nuclei

Collective Flow Observed in Relativistic Nuclear Collisions