Volume 53, Issue 7

J. Simpson, M. A. Riley, J. R. Cresswell, P. D. Forsyth, D. Howe, B. M. Nyakó, J. F. Sharpey-Schafer, J. Bacelar, J. D. Garrett, G. B. Hagemann, B. Herskind, and A. Holm

Phys. Rev. Lett. 53, 648 (1984) - Published 13 August, 1984

Understanding Polarization Observables in Pion-Deuteron Scattering

Humberto Garcilazo

Phys. Rev. Lett. 53, 652 (1984) - Published 13 August, 1984

Atoms and Molecules

Equilibrium Geometries and Electronic Structures of Small Sodium Clusters

José Luís Martins, Jean Buttet, and Roberto Car

Phys. Rev. Lett. 53, 655 (1984) - Published 13 August, 1984

Classical Phenomenology and Applications

Optically Inhibited Collisional Dephasing

A. G. Yodh, J. Golub, N. W. Carlson, and T. W. Mossberg

Phys. Rev. Lett. 53, 659 (1984) - Published 13 August, 1984

Incoherent Photon Echoes

R. Beach and S. R. Hartmann

Phys. Rev. Lett. 53, 663 (1984) - Published 13 August, 1984

Fluids, Plasmas, and Electric Discharges

New Fluctuation Phenomena in the $H$ -Mode Regime of Poloidal-Diverter Tokamak Plasmas

R. E. Slusher, C. M. Surko, J. F. Valley, T. Crowley, E. Mazzucato, and K. McGuire

Phys. Rev. Lett. 53, 667 (1984) - Published 13 August, 1984

Condensed Matter: Structure, Etc.

Kinetic-Energy Distributions of Neutrals Desorbed by Electron Impact from Adsorbates on Metal Surfaces

P. Feulner, D. Menzel, H. J. Kreuzer, and Z. W. Gortel

Phys. Rev. Lett. 53, 671 (1984) - Published 13 August, 1984

Energetics of Surface Multilayer Relaxation on W (001): Evidence for Short-Range Screening

C. L. Fu, S. Ohnishi, E. Wimmer, and A. J. Freeman

Phys. Rev. Lett. 53, 675 (1984) - Published 13 August, 1984

New Universal Behavior for the Impure Baxter Model

D. Matthews-Morgan, D. P. Landau, and R. H. Swendsen

Phys. Rev. Lett. 53, 679 (1984) - Published 13 August, 1984

$Si (111) \sqrt{3} \times \sqrt{3}$ -Al: An Adatom-Induced Reconstruction

John E. Northrup

Phys. Rev. Lett. 53, 683 (1984) - Published 13 August, 1984

First Measurement of Short-Range-Order Inversion as a Function of Concentration in a Transition Alloy

I. Mirebeau, M. Hennion, and G. Parette

Phys. Rev. Lett. 53, 687 (1984) - Published 13 August, 1984

Kosterlitz-Thouless Superfluid Transition for Helium in Packed Powders

Vincent Kotsubo and Gary A. Williams

Phys. Rev. Lett. 53, 691 (1984) - Published 13 August, 1984

Condensed Matter: Electronic Properties, Etc.

Spin-Flip Stoner Excitations in a Ferromagnet Observed by Inelastic Spin-Polarized Electron Scattering

H. Hopster, R. Raue, and R. Clauberg

Phys. Rev. Lett. 53, 695 (1984) - Published 13 August, 1984

High-Resolution Spin-Polarized Electron-Energy-Loss Spectroscopy and the Stoner Excitation Spectrum in Nickel

J. Kirschner, D. Rebenstorff, and H. Ibach

Phys. Rev. Lett. 53, 698 (1984) - Published 13 August, 1984

Metal-Insulator Transition on the Ge(001) Surface

S. D. Kevan and N. G. Stoffel

Phys. Rev. Lett. 53, 702 (1984) - Published 13 August, 1984

Pairing and Charge-Density-Wave Correlations in a One-Dimensional Electron-Exciton Model

J. E. Hirsch and D. J. Scalapino

Phys. Rev. Lett. 53, 706 (1984) - Published 13 August, 1984

Localized States at the Conduction-Band Edge of Amorphous Silicon Nitride Detected by Resonance Photoemission

L. Ley, R. Kärcher, and R. L. Johnson

Phys. Rev. Lett. 53, 710 (1984) - Published 13 August, 1984

Quasiparticle Magnetospectroscopy in Superconductors: A Detailed Look at the Shape of the Penetration Layer

R. E. Doezema, J. N. Huffaker, S. Whitmore, J. Slinkman, and W. E. Lawrence

Phys. Rev. Lett. 53, 714 (1984) - Published 13 August, 1984

Magnetic Flux Quantization in the Weak-Localization Regime of a Nonsuperconducting Metal

B. Pannetier, J. Chaussy, R. Rammal, and P. Gandit

Phys. Rev. Lett. 53, 718 (1984) - Published 13 August, 1984

Fractional Statistics and the Quantum Hall Effect

Daniel Arovas, J. R. Schrieffer, and Frank Wilczek

Phys. Rev. Lett. 53, 722 (1984) - Published 13 August, 1984

Photoionization of Metallic Lanthanum, Thorium, and Uranium in a Local-Density-Based Random-Phase Approximation

G. Wendin

Phys. Rev. Lett. 53, 724 (1984) - Published 13 August, 1984

Cross-Disciplinary Physics

Statistical Model of a Suspension of Deformable Particles

Eric Dickinson

Phys. Rev. Lett. 53, 728 (1984) - Published 13 August, 1984

Geophysics, Astronomy, and Astrophysics

Inflationary Cosmology and the Mass Hierarchy in Locally Supersymmetric Theories

Burt A. Ovrut and Paul J. Steinhardt

Phys. Rev. Lett. 53, 732 (1984) - Published 13 August, 1984

COMMENTS

Comment on "Nuclear ( $π$ , $p$ ) Reaction Is Consistent with a $2 N$ Absorption Process"

John P. Schiffer

Phys. Rev. Lett. 53, 736 (1984) - Published 13 August, 1984

Girija and Koltun Respond

V. Girija and D. S. Koltun

Phys. Rev. Lett. 53, 737 (1984) - Published 13 August, 1984

Interaction Matrix Elements for Resonant Muonic-Molecule Formation

James S. Cohen and Richard L. Martin

Phys. Rev. Lett. 53, 738 (1984) - Published 13 August, 1984

Leon Responds

M. Leon

Phys. Rev. Lett. 53, 739 (1984) - Published 13 August, 1984

Three-Body Dissociation of Triatomic Hydrogen Molecular Ions

I. Alvarez, C. Cisneros, J. de Urquaijo, and T. J. Morgan

Phys. Rev. Lett. 53, 740 (1984) - Published 13 August, 1984

Comment on "Approaches to the Tricritical Point in Quasibinary Fluid Mixtures"

Miron Kaufman and Robert B. Griffiths

Phys. Rev. Lett. 53, 741 (1984) - Published 13 August, 1984

ERRATA

Applicability of Perturbative Quantum Chromodynamics to High- $p_{t}$ Exclusive Scattering

Glennys R. Farrar

Phys. Rev. Lett. 53, 742 (1984) - Published 13 August, 1984

Structural Energies in Stage-One Graphite Intercalation Compounds

D. P. DiVincenzo and E. J. Mele

Phys. Rev. Lett. 53, 742 (1984) - Published 13 August, 1984