Volume 57, Issue 7

G. R. Smith, A. Altman, P. Delheij, D. R. Gill, D. Healey, R. R. Johnson, G. Jones, D. Ottewell, F. M. Rozon, M. E. Sevior, F. Tervisidis, R. P. Trelle, G. D. Wait, P. Walden, E. L. Mathie, G. J. Lolos, S. I. H. Naqvi, E. T. Boschitz, C. R. Ottermann, G. S. Kyle, and P. A. Amaudruz

Phys. Rev. Lett. 57, 803 (1986) - Published 18 August, 1986

Pion Absorption on $T = 1$ Nucleon Pairs at $T_{π} = 70$ MeV

H. Yokota, K. Nakayama, K. Ichimaru, T. Katsumi, T. Mori, S. Igarashi, K. Hama, R. Chiba, K. Nakai, J. Chiba, H. En'yo, S. Sasaki, T. Nagae, and M. Sekimoto

Phys. Rev. Lett. 57, 807 (1986) - Published 18 August, 1986

Observation of a Discrete-Line Superdeformed Band up to $60 ℏ$ in ${}^{152}{Dy}$

P. J. Twin, B. M. Nyakó, A. H. Nelson, J. Simpson, M. A. Bentley, H. W. Cranmer-Gordon, P. D. Forsyth, D. Howe, A. R. Mokhtar, J. D. Morrison, J. F. Sharpey-Schafer, and G. Sletten

Phys. Rev. Lett. 57, 811 (1986) - Published 18 August, 1986

Nonequilibrium Population of Magnetic Substates and Excitation-Energy Division in the Decay of an Orbiting Complex

A. Ray, D. D. Leach, R. Vandenbosch, K. T. Lesko, and D. Shapira

Phys. Rev. Lett. 57, 815 (1986) - Published 18 August, 1986

Limitation of Heavy-Ion Fusion: Fusion of Aligned ${}^{23}{Na}$ with ${}^{23}{Na}$

K. Blatt, K. Becker, B. Heck, H. Jänsch, H. Leucker, D. Fick, R. Čaplar, R. Butsch, D. Krämer, K. -H. Möbius, Z. Moroz, W. Ott, P. Paul, E. Steffens, G. Tungate, Irena M. Turkiewicz, and A. Weller

Phys. Rev. Lett. 57, 819 (1986) - Published 18 August, 1986

Atoms and Molecules

New Photoelectric Ionization Peak in the Hydrogen Atom

Giulio Casati, Boris V. Chirikov, Dima L. Shepelyansky, and Italo Guarneri

Phys. Rev. Lett. 57, 823 (1986) - Published 18 August, 1986

Fundamental Phenomenology and Applications

Generation of Pair Coherent States and Squeezing via the Competition of Four-Wave Mixing and Amplified Spontaneous Emission

G. S. Agarwal

Phys. Rev. Lett. 57, 827 (1986) - Published 18 August, 1986

Standing-Wave Forward-Backward Gain Asymmetry in Optically Pumped Gas Lasers

F. Laguarta, G. Merkle, J. Heppner, R. Corbalán, and R. Vilaseca

Phys. Rev. Lett. 57, 831 (1986) - Published 18 August, 1986

Fluids, Plasmas, and Electric Discharges

Tangential Neutral-Beam-Driven Instabilities in the Princeton Beta Experiment

W. W. Heidbrink, K. Bol, D. Buchenauer, R. Fonck, G. Gammel, K. Ida, R. Kaita, S. Kaye, H. Kugel, B. LeBlanc, W. Morris, M. Okabayashi, E. Powell, S. Sesnic, and H. Takahashi

Phys. Rev. Lett. 57, 835 (1986) - Published 18 August, 1986

Condensed Matter: Structure, Etc.

Observation of One-Dimensional Second Sound in Superfluid Helium

J. P. Eisenstein and V. Narayanamurti

Phys. Rev. Lett. 57, 839 (1986) - Published 18 August, 1986

Critical Behavior of the Thermal Conductance of ${}^{3}{He}$ - ${}^{4}{He}$ Mixture Films at the Kosterlitz-Thouless Transition

D. Finotello, Y. Y. Yu, and F. M. Gasparini

Phys. Rev. Lett. 57, 843 (1986) - Published 18 August, 1986

Rigidity Percolation in the Germanium-Arsenic-Selenium Alloy System

B. L. Halfpap and S. M. Lindsay

Phys. Rev. Lett. 57, 847 (1986) - Published 18 August, 1986

Coulomb Explosions in a Metallic Glass Due to the Passage of Fast Heavy Ions?

S. Klaumünzer, Ming-dong Hou, and G. Schumacher

Phys. Rev. Lett. 57, 850 (1986) - Published 18 August, 1986

Near-Metamagnetism of Liquid ${}^{3}{He}$ at High Pressure

Kevin S. Bedell and Carlos Sanchez-Castro

Phys. Rev. Lett. 57, 854 (1986) - Published 18 August, 1986

Wavelength Selection in Directional Solidification

Alain Karma

Phys. Rev. Lett. 57, 858 (1986) - Published 18 August, 1986

Nonlocal Screening in Metal Surfaces

E. Krotscheck and W. Kohn

Phys. Rev. Lett. 57, 862 (1986) - Published 18 August, 1986

Self-Similarity and Fractal Dimension of a Roughening Interface by Monte Carlo Simulations

K. K. Mon

Phys. Rev. Lett. 57, 866 (1986) - Published 18 August, 1986

Anisotropic Heat Conduction in Diacetylenes

D. T. Morelli, J. Heremans, M. Sakamoto, and C. Uher

Phys. Rev. Lett. 57, 869 (1986) - Published 18 August, 1986

Theoretical Analysis of Explosively Propagating Molten Layers in Pulsed-Laser-Irradiated $a - Si$

R. F. Wood and G. A. Geist

Phys. Rev. Lett. 57, 873 (1986) - Published 18 August, 1986

Condensed Matter: Electronic Properties, Etc.

Kondo Bosons and the Kondo Lattice: Microscopic Basis for the Heavy Fermi Liquid

Assa Auerbach and K. Levin

Phys. Rev. Lett. 57, 877 (1986) - Published 18 August, 1986

Picosecond Surface Electron Dynamics on Photoexcited Si(111) (2×1) Surfaces

J. Bokor, R. Storz, R. R. Freeman, and P. H. Bucksbaum

Phys. Rev. Lett. 57, 881 (1986) - Published 18 August, 1986

Quantum Phase Slips and Superconductivity in Granular Films

Matthew P. A. Fisher

Phys. Rev. Lett. 57, 885 (1986) - Published 18 August, 1986

Metal-Nonmetal Transition in Expanded Liquid Mercury

Judy R. Franz

Phys. Rev. Lett. 57, 889 (1986) - Published 18 August, 1986

Oxide-Charge-Induced Localized States and Screening in a Model Two-Dimensional system

E. Glaser, R. Czaputa, B. D. McCombe, G. M. Kramer, and R. F. Wallis

Phys. Rev. Lett. 57, 893 (1986) - Published 18 August, 1986

Proton Tunneling with Millielectrovolt Energies at the Be-H Acceptor Complex in Silicon

K. Muro and A. J. Sievers

Phys. Rev. Lett. 57, 897 (1986) - Published 18 August, 1986

Superconducting Tunneling in Ultrathin Nb Films

Sung I. Park and T. H. Geballe

Phys. Rev. Lett. 57, 901 (1986) - Published 18 August, 1986

Magnetic Equilibrium Noise in Spin-Glasses: ${Eu}_{0.4}$ ${Sr}_{0.6}$ S

W. Reim, R. H. Koch, A. P. Malozemoff, M. B. Ketchen, and H. Maletta

Phys. Rev. Lett. 57, 905 (1986) - Published 18 August, 1986

Density of Localized States near the Band Edge of Disordered Systems

Zhao-Qing Zhang and Ping Sheng

Phys. Rev. Lett. 57, 909 (1986) - Published 18 August, 1986

Cross-Disciplinary Physics

Nonlinear Neural Networks

J. L. van Hemmen and R. Kühn

Phys. Rev. Lett. 57, 913 (1986) - Published 18 August, 1986

COMMENTS

Comment on "Saddle-Point Variational Method for the Dirac Equation"

B. D. Keister

Phys. Rev. Lett. 57, 917 (1986) - Published 18 August, 1986

Evidence for Ising-Type Critical Behavior in Two-Dimensional Percolation

Joan Adler

Phys. Rev. Lett. 57, 918 (1986) - Published 18 August, 1986

Jug Responds

Giancarlo Jug

Phys. Rev. Lett. 57, 919 (1986) - Published 18 August, 1986

Phase Coherence and Quantized-Circulation Transitions in Superfluid helium

D. F. Brewer

Phys. Rev. Lett. 57, 920 (1986) - Published 18 August, 1986

Avenel and Varoquaux Respond

Olivier Avenel and Eric Varoquaux

Phys. Rev. Lett. 57, 921 (1986) - Published 18 August, 1986

Compatibility of Crystalline Order and the Quantized Hall Effect

B. I. Halperin, Z. Tešanović, and F. Axel

Phys. Rev. Lett. 57, 922 (1986) - Published 18 August, 1986

ERRATA

Prompt Muon-Neutrino Production in a 400-GeV Proton Beam-Dump Experiment

R. C. Ball, C. T. Coffin, H. R. Gustafson, L. W. Jones, M. J. Longo, T. J. Roberts, B. P. Roe, E. Wang, C. Castoldi, G. Conforto, M. B. Crisler, J. S. Hoftun, T. Y. Ling, T. A. Romanowski, J. T. Volk, S. Childress, M. E. Duffy, G. K. Fanourakis, R. J. Loveless, D. D. Reeder, D. L. Schumann, and E. S. Smith

Phys. Rev. Lett. 57, 923 (1986) - Published 18 August, 1986