Volume 55, Issue 5

D. A. Bryman, E. T. H. Clifford, M. J. Leitch, I. Navon, T. Numao, P. Schlatter, M. S. Dixit, C. K. Hargrove, H. Mes, R. A. Burnham, M. Hasinoff, J.-M. Poutissou, J. A. Macdonald, J. Spuller, G. Azuelos, P. Depommier, J.-P. Martin, R. Poutissou, M. Blecher, K. Gotow, A. L. Carter, H. L. Anderson, and S. C. Wright

Phys. Rev. Lett. 55, 465 (1985) - Published 29 July, 1985

Supersymmetry and ultrahigh-energy cosmic rays

R. W. Robinett

Phys. Rev. Lett. 55, 469 (1985) - Published 29 July, 1985

Leptons and ‘‘horizontal’’ neutral scalar bosons from topological particle theory

Geoffrey F. Chew and Dieter Issler

Phys. Rev. Lett. 55, 473 (1985) - Published 29 July, 1985

Nuclear Physics

Skyrmion interactions at short distances

H. M. Sommermann, H. W. Wyld, and C. J. Pethick

Phys. Rev. Lett. 55, 476 (1985) - Published 29 July, 1985

Electromagnetic excitation of aligned ${}^{7}{Li}$ nuclei

A. Weller, P. Egelhof, R. Čaplar, O. Karban, D. Krämer, K.-H. Möbius, Z. Moroz, K. Rusek, E. Steffens, G. Tungate, K. Blatt, Ilse Koenig, and D. Fick

Phys. Rev. Lett. 55, 480 (1985) - Published 29 July, 1985

Atomic, Molecular, and Optical Physics

Experimental determination of the energy level of ${Be}^{-}$ (1 $s^{2}$ 2s2 $p^{2}$ $)^{4}$ P

T. J. Kvale, G. D. Alton, R. N. Compton, D. J. Pegg, and J. S. Thompson

Phys. Rev. Lett. 55, 484 (1985) - Published 29 July, 1985

Total cross-section measurements for positrons and electrons colliding with potassium

T. S. Stein, R. D. Gomez, Y.-F. Hsieh, W. E. Kauppila, C. K. Kwan, and Y. J. Wan

Phys. Rev. Lett. 55, 488 (1985) - Published 29 July, 1985

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Chaotic dynamics in a periodically excited air jet

Marco Bonetti, Roland Meynart, Jean Pierre Boon, and Domenico Olivari

Phys. Rev. Lett. 55, 492 (1985) - Published 29 July, 1985

Traveling waves and chaos in convection in binary fluid mixtures

R. W. Walden, Paul Kolodner, A. Passner, and C. M. Surko

Phys. Rev. Lett. 55, 496 (1985) - Published 29 July, 1985

Experimental observation of a codimension-two bifurcation in a binary fluid mixture

Ingo Rehberg and Guenter Ahlers

Phys. Rev. Lett. 55, 500 (1985) - Published 29 July, 1985

Plasma and Beam Physics

Effects of finite ion Larmor radius on high-n ballooning instability in tokamaks

Akira Hirose

Phys. Rev. Lett. 55, 504 (1985) - Published 29 July, 1985

Local power conservation for linear wave propagation in an inhomogeneous plasma

B. D. McVey, R. S. Sund, and J. E. Scharer

Phys. Rev. Lett. 55, 507 (1985) - Published 29 July, 1985

Condensed Matter: Structure, Etc.

New ordered state between crystalline and amorphous in Ni-Cr particles

T. Ishimasa, H.-U. Nissen, and Y. Fukano

Phys. Rev. Lett. 55, 511 (1985) - Published 29 July, 1985

New result in surface segregation of Ni-Cu binary alloys

Toshio Sakurai, T. Hashizume, A. Jimbo, A. Sakai, and S. Hyodo

Phys. Rev. Lett. 55, 514 (1985) - Published 29 July, 1985

Condensed Matter: Electronic Properties, Etc.

Theory of spin-polarized secondary electrons in transition metals

David R. Penn, S. Peter Apell, and S. M. Girvin

Phys. Rev. Lett. 55, 518 (1985) - Published 29 July, 1985

Critical behavior of the Hall conductivity at the metal-insulator transition

Stuart B. Field and T. F. Rosenbaum

Phys. Rev. Lett. 55, 522 (1985) - Published 29 July, 1985

Electron-stimulated desorption of neutral NO from Ni: State-specific resonance-ionization detection

A. R. Burns

Phys. Rev. Lett. 55, 525 (1985) - Published 29 July, 1985

Fractal model for the ac response of a rough interface

S. H. Liu

Phys. Rev. Lett. 55, 529 (1985) - Published 29 July, 1985

Arsenic-terminated Ge(111): An ideal 1×1 surface

R. D. Bringans, R. I. G. Uhrberg, R. Z. Bachrach, and John E. Northrup

Phys. Rev. Lett. 55, 533 (1985) - Published 29 July, 1985

Nonlinear excitations on a quantum ferromagnetic chain

Radha Balakrishnan and A. R. Bishop

Phys. Rev. Lett. 55, 537 (1985) - Published 29 July, 1985

Strings in two-dimensional classical XY models

D. H. Lee and G. Grinstein

Phys. Rev. Lett. 55, 541 (1985) - Published 29 July, 1985

Direct determination of electron band energies by transmission interference in thin films

G. Perluzzo, G. Bader, L. G. Caron, and L. Sanche

Phys. Rev. Lett. 55, 545 (1985) - Published 29 July, 1985

COMMENTS

Comment on ‘‘Microwave background anisotropy and decaying-particle models for a flat universe’’

Michael S. Turner

Phys. Rev. Lett. 55, 549 (1985) - Published 29 July, 1985

ERRATA

Kinetic Energies in Quantum Solids

L. K. Moleko and H. R. Glyde

Phys. Rev. Lett. 55, 550 (1985) - Published 29 July, 1985

Classical Hard-Sphere Fluid in Infinitely Many Dimensions

H. L. Frisch, N. Rivier, and D. Wyler

Phys. Rev. Lett. 55, 550 (1985) - Published 29 July, 1985

Stage Transformation and Staging Disorder in Graphite Intercalation Compounds

M. E. Misenheimer and H. Zabel

Phys. Rev. Lett. 55, 550 (1985) - Published 29 July, 1985