Volume 58, Issue 23

J. Miller, J. Bercovitz, G. Claesson, G. Krebs, G. Roche, L. S. Schroeder, W. Benenson, J. van der Plicht, J. S. Winfield, G. Landaud, and J.-F. Gilot

Phys. Rev. Lett. 58, 2408 (1987) - Published 8 June, 1987

Atomic, Molecular, and Optical Physics

Observation of motional-field-induced ripples in the photodetachment cross section of $H^{-}$

H. C. Bryant, A. Mohagheghi, J. E. Stewart, J. B. Donahue, C. R. Quick, R. A. Reeder, V. Yuan, C. R. Hummer, W. W. Smith, Stanley Cohen, William P. Reinhardt, and Lillian Overman

Phys. Rev. Lett. 58, 2412 (1987) - Published 8 June, 1987

Are there π bonds in benzene?

Peter A. Schultz and Richard P. Messmer

Phys. Rev. Lett. 58, 2416 (1987) - Published 8 June, 1987

Laser-induced photoassociation of ultracold sodium atoms

H. R. Thorsheim, J. Weiner, and P. S. Julienne

Phys. Rev. Lett. 58, 2420 (1987) - Published 8 June, 1987

Femtosecond dynamics of multielectron dissociative ionization by use of a picosecond laser

L. J. Frasinski, K. Codling, P. Hatherly, J. Barr, I. N. Ross, and W. T. Toner

Phys. Rev. Lett. 58, 2424 (1987) - Published 8 June, 1987

Self-trapping and anomalous dispersion of DNA in electrophoresis

Jaan Noolandi, Jean Rousseau, Gary W. Slater, Chantal Turmel, and Marc Lalande

Phys. Rev. Lett. 58, 2428 (1987) - Published 8 June, 1987

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Instabilities and chaos in the polarizations of counterpropagating light fields

Alexander L. Gaeta, Robert W. Boyd, Jay R. Ackerhalt, and Peter W. Milonni

Phys. Rev. Lett. 58, 2432 (1987) - Published 8 June, 1987

Localization of optics: Quasiperiodic media

Mahito Kohmoto, Bill Sutherland, and K. Iguchi

Phys. Rev. Lett. 58, 2436 (1987) - Published 8 June, 1987

Relativistic klystron two-beam accelerator

Andrew M. Sessler and Simon S. Yu

Phys. Rev. Lett. 58, 2439 (1987) - Published 8 June, 1987

Plasma and Beam Physics

Velocity distribution function of a streaming gas via nonequilibrium molecular dynamics

Werner Loose and Siegfried Hess

Phys. Rev. Lett. 58, 2443 (1987) - Published 8 June, 1987

Condensed Matter: Structure, Etc.

Imaging of acoustic phonon stop bands in superlattices

D. C. Hurley, S. Tamura, J. P. Wolfe, and H. Morkoç

Phys. Rev. Lett. 58, 2446 (1987) - Published 8 June, 1987

Anomalous reduction of stage-I recovery in nickel irradiated with heavy ions in the energy range 100–120 MeV

A. Iwase, S. Sasaki, T. Iwata, and T. Nihira

Phys. Rev. Lett. 58, 2450 (1987) - Published 8 June, 1987

Measurements of melting temperatures of quasicrystalline Al-Mn phases

J. A. Knapp and D. M. Follstaedt

Phys. Rev. Lett. 58, 2454 (1987) - Published 8 June, 1987

Magnetization of solid helium-3 from 0.2 to 11 T

D. D. Osheroff, H. Godfrin, and R. Ruel

Phys. Rev. Lett. 58, 2458 (1987) - Published 8 June, 1987

Collective relaxation of star polymers—A neutron spin-echo study

D. Richter, B. Stühn, B. Ewen, and D. Nerger

Phys. Rev. Lett. 58, 2462 (1987) - Published 8 June, 1987

Exact critical behavior of a random bond two-dimensional Ising model

R. Shankar

Phys. Rev. Lett. 58, 2466 (1987) - Published 8 June, 1987

Theory of glass dynamics: The low-lying modes of anharmonic materials

Daniel C. Mattis

Phys. Rev. Lett. 58, 2470 (1987) - Published 8 June, 1987

Condensed Matter: Electronic Properties, Etc.

Magnetic excitons in space-charge layers in GaAs

E. Batke and C. W. Tu

Phys. Rev. Lett. 58, 2474 (1987) - Published 8 June, 1987

Coexistence of intermediate-valence and antiferromagnetic ordering in europium metal

J. N. Farrell and R. D. Taylor

Phys. Rev. Lett. 58, 2478 (1987) - Published 8 June, 1987

Evidence for superconductivity in ${La}_{2}$ ${CuO}_{4}$

P. M. Grant, S. S. P. Parkin, V. Y. Lee, E. M. Engler, M. L. Ramirez, J. E. Vazquez, G. Lim, R. D. Jacowitz, and R. L. Greene

Phys. Rev. Lett. 58, 2482 (1987) - Published 8 June, 1987

Strong localization of photons in certain disordered dielectric superlattices

Sajeev John

Phys. Rev. Lett. 58, 2486 (1987) - Published 8 June, 1987

Loss structure in the electron-energy-loss excitation continuum of a semimetal

R. E. Palmer, J. F. Annett, and R. F. Willis

Phys. Rev. Lett. 58, 2490 (1987) - Published 8 June, 1987

Ionization energies of valence levels in physisorbed rare-gas multilayers

I. T. Steinberger and K. Wandelt

Phys. Rev. Lett. 58, 2494 (1987) - Published 8 June, 1987

Geophysics, Astronomy, and Astrophysics

Detection of solar neutrinos in superfluid helium

R. E. Lanou, H. J. Maris, and G. M. Seidel

Phys. Rev. Lett. 58, 2498 (1987) - Published 8 June, 1987

Volume 58, Issue 23

LETTERS

General Physics

Elementary Particles and Fields

Nuclear Physics