Volume 70, Issue 2

P. Sreekumar, D. L. Bertsch, B. L. Dingus, C. E. Fichtel, R. C. Hartman, S. D. Hunter, G. Kanbach, D. A. Kniffen, Y. C. Lin, J. R. Mattox, H. A. Mayer-Hasselwander, P. F. Michelson, C. von Montigny, P. L. Nolan, K. Pinkau, E. J. Schneid, R. G. Stone, and D. J. Thompson

Phys. Rev. Lett. 70, 127 (1993) - Published 11 January, 1993

Elementary Particles and Fields

Heterotic parafermionic superstring

Paul H. Frampton and James T. Liu

Phys. Rev. Lett. 70, 130 (1993) - Published 11 January, 1993

Measurement of the strange sea distribution using neutrino charm production

S. A. Rabinowitz et al.

Phys. Rev. Lett. 70, 134 (1993) - Published 11 January, 1993

Search for $τ^{-}$ →γ $μ^{-}$ : A test of lepton number conservation

A. Bean et al.

Phys. Rev. Lett. 70, 138 (1993) - Published 11 January, 1993

Nuclear Physics

Nuclear rescattering effects in massive dihadron production

T. Fields and M. D. Corcoran

Phys. Rev. Lett. 70, 143 (1993) - Published 11 January, 1993

High-energy pion-induced double charge exchange and isovector renormalization

E. Oset and D. Strottman

Phys. Rev. Lett. 70, 146 (1993) - Published 11 January, 1993

Two- to one-phonon E3 transition strength in ${}^{148}{Gd}$

M. Piiparinen, P. Kleinheinz, J. Blomqvist, A. Virtanen, A. Ataç, D. Müller, J. Nyberg, T. Ramsøy, and G. Sletten

Phys. Rev. Lett. 70, 150 (1993) - Published 11 January, 1993

Atomic, Molecular, and Optical Physics

Configuration interaction calculation of hyperfine properties for bond-centered muonium in diamond

N. Paschedag, H. U. Suter, Dj. M. Maric, and P. F. Meier

Phys. Rev. Lett. 70, 154 (1993) - Published 11 January, 1993

Nuclear size correction to the electron self-energy

Peter J. Mohr and Gerhard Soff

Phys. Rev. Lett. 70, 158 (1993) - Published 11 January, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Vector order parameter for an unpolarized laser and its vectorial topological defects

L. Gil

Phys. Rev. Lett. 70, 162 (1993) - Published 11 January, 1993

Intermittency and predictability in turbulence

A. Crisanti, M. H. Jensen, A. Vulpiani, and G. Paladin

Phys. Rev. Lett. 70, 166 (1993) - Published 11 January, 1993

Plasma and Beam Physics

Quasiperiodic transition to chaos in a plasma

Ding Weixing, Huang Wei, Wang Xiaodong, and C. X. Yu

Phys. Rev. Lett. 70, 170 (1993) - Published 11 January, 1993

Condensed Matter: Structure, Etc.

Anisotropy in the structure of pressure-induced disordered solids

John S. Tse and Dennis D. Klug

Phys. Rev. Lett. 70, 174 (1993) - Published 11 January, 1993

High pressure measurements of the He-Ne binary phase diagram at 296 K: Evidence for the stability of a stoichiometric Ne(He $)_{2}$ solid

Paul Loubeyre, Michel Jean-Louis, René LeToullec, and Lydie Charon-Gérard

Phys. Rev. Lett. 70, 178 (1993) - Published 11 January, 1993

Low-temperature specific heat and thermal conductivity of glasses

L. Gil, M. A. Ramos, A. Bringer, and U. Buchenau

Phys. Rev. Lett. 70, 182 (1993) - Published 11 January, 1993

Exact variational analysis of layered planar Ising models

Lev V. Mikheev and Michael E. Fisher

Phys. Rev. Lett. 70, 186 (1993) - Published 11 January, 1993

Scaling behavior of two-time correlations in a twisted nematic liquid crystal

N. Mason, A. N. Pargellis, and B. Yurke

Phys. Rev. Lett. 70, 190 (1993) - Published 11 January, 1993

Curvature-induced configuration transition in confined nematic liquid crystals

R. J. Ondris-Crawford, G. P. Crawford, S. Zumer, and J. W. Doane

Phys. Rev. Lett. 70, 194 (1993) - Published 11 January, 1993

Mixing and phase separation in liquid crystal/matrix systems: Determination of the excess specific heat of mixing

George W. Smith

Phys. Rev. Lett. 70, 198 (1993) - Published 11 January, 1993

Sticking in the physisorption well: Influence of surface structure

S. Andersson and M. Persson

Phys. Rev. Lett. 70, 202 (1993) - Published 11 January, 1993

Fast-mode kinetics in surface-mediated phase-separating fluids

Bill Q. Shi, Christopher Harrison, and Andrew Cumming

Phys. Rev. Lett. 70, 206 (1993) - Published 11 January, 1993

Condensed Matter: Electronic Properties, Etc.

Direct current in mesoscopic rings induced by high-frequency electromagnetic field

V. E. Kravtsov and V. I. Yudson

Phys. Rev. Lett. 70, 210 (1993) - Published 11 January, 1993

Novel transport effects in high-bias ballistic-electron-emission spectroscopy

R. Ludeke

Phys. Rev. Lett. 70, 214 (1993) - Published 11 January, 1993

Molecular rectifier

A. S. Martin, J. R. Sambles, and G. J. Ashwell

Phys. Rev. Lett. 70, 218 (1993) - Published 11 January, 1993

Phase Separation and Finite Size Scaling ${inLa}_{2 - x}$ ${Sr}_{x}$ ${CuO}_{4 + δ}$ [0⩽(x,γ)⩽0.03]

J. H. Cho, F. C. Chou, and D. C. Johnston

Phys. Rev. Lett. 70, 222 (1993) - Published 11 January, 1993

Spin-charge separation in a model of two coupled chains

M. Fabrizio and A. Parola

Phys. Rev. Lett. 70, 226 (1993) - Published 11 January, 1993

Magneto-optical evidence of exchange-induced moment in uranium at room temperature observed in Co/U-As multilayers

P. Fumagalli, T. S. Plaskett, D. Weller, T. R. McGuire, and R. J. Gambino

Phys. Rev. Lett. 70, 230 (1993) - Published 11 January, 1993

Forced shear flow of magnetic bubble arrays

R. Seshadri and R. M. Westervelt

Phys. Rev. Lett. 70, 234 (1993) - Published 11 January, 1993

Soft-x-ray emission insulators: Spectator versus normal emission

W. L. O’Brien, J. Jia, Q-Y. Dong, T. A. Callcott, K. E. Miyano, D. L. Ederer, D. R. Mueller, and C-C. Kao

Phys. Rev. Lett. 70, 238 (1993) - Published 11 January, 1993

Cross-Disciplinary Physics

Observation of Brownian motion on the time scale of hydrodynamic interactions

M. H. Kao, A. G. Yodh, and D. J. Pine

Phys. Rev. Lett. 70, 242 (1993) - Published 11 January, 1993

COMMENTS

Comment on ‘‘Work-function anisotropies as an origin of long-range surface forces’’

J. E. Inglesfield

Phys. Rev. Lett. 70, 246 (1993) - Published 11 January, 1993

Burnham, Colton, and Pollock reply

N. A. Burnham, R. J. Colton, and H. M. Pollock

Phys. Rev. Lett. 70, 247 (1993) - Published 11 January, 1993

Comment on ‘‘Breakdown of hydrodynamics in the classical 1D Heisenberg model’’

Markus Böhm, Rainer W. Gerling, and Hajo Leschke

Phys. Rev. Lett. 70, 248 (1993) - Published 11 January, 1993

de Alcantara Bonfim and Reiter reply

O. F. de Alcantara Bonfim and George Reiter

Phys. Rev. Lett. 70, 249 (1993) - Published 11 January, 1993

ERRATA

Erratum: ‘‘Scalar aharonov-Bohm experiment with neutrons [Phys. Rev. Lett. 68, 2409 (1992)]

B. E. Allman, A. Cimmino, A. G. Klein, G. I. Opat, H. Kaiser, and S. A. Werner

Phys. Rev. Lett. 70, 250 (1993) - Published 11 January, 1993