Volume 65, Issue 14

P. M. Ho, M. J. Longo, A. Nguyen, K. B. Luk, C. James, R. Rameika, J. Duryea, G. Guglielmo, K. Heller, K. Johns, H. T. Diehl, S. Teige, G. B. Thomson, and Y. Zou

Phys. Rev. Lett. 65, 1713 (1990) - Published 1 October, 1990

Difficulty in determining the pion form factor at high $Q^{2}$

C. E. Carlson and Joseph Milana

Phys. Rev. Lett. 65, 1717 (1990) - Published 1 October, 1990

Large-momentum-transfer Compton scattering

Glennys R. Farrar and Huayi Zhang

Phys. Rev. Lett. 65, 1721 (1990) - Published 1 October, 1990

Nuclear Physics

Evidence for enhancement of gluon and valence-quark distributions in nuclei from hard lepton-nucleus processes

L. L. Frankfurt, M. I. Strikman, and S. Liuti

Phys. Rev. Lett. 65, 1725 (1990) - Published 1 October, 1990

Search for the H dibaryon in ( $K^{-}$ , $K^{+}$ ) reactions

S. Aoki et al.

Phys. Rev. Lett. 65, 1729 (1990) - Published 1 October, 1990

Measurement of tensor analyzing power in electron-deuteron elastic scattering

R. Gilman, R. J. Holt, E. R. Kinney, R. S. Kowalczyk, S. I. Mishnev, J. Napolitano, D. M. Nikolenko, S. G. Popov, D. H. Potterveld, I. A. Rachek, A. B. Temnykh, D. K. Toporkov, E. P. Tsentalovich, B. B. Wojtsekhowski, and L. Young

Phys. Rev. Lett. 65, 1733 (1990) - Published 1 October, 1990

Atomic, Molecular, and Optical Physics

Measurements of optical phase variations using interfering multiphoton ionization processes

Ce Chen and D. S. Elliott

Phys. Rev. Lett. 65, 1737 (1990) - Published 1 October, 1990

Wave mixing in Doppler velocimetry of atoms

Juha Javanainen

Phys. Rev. Lett. 65, 1741 (1990) - Published 1 October, 1990

Intensity dependence of optically encoded second-harmonic generation in germanosilicate glass: Evidence for a light-induced delocalization transition

N. M. Lawandy

Phys. Rev. Lett. 65, 1745 (1990) - Published 1 October, 1990

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Observation of antiphase states in a multimode laser

Kurt Wiesenfeld, Christopher Bracikowski, Glenn James, and Rajarshi Roy

Phys. Rev. Lett. 65, 1749 (1990) - Published 1 October, 1990

Plasma and Beam Physics

Stabilization of relativistic self-focusing of intense subpicosecond ultraviolet pulses in plasmas

A. B. Borisov, A. V. Borovskiy, V. V. Korobkin, A. M. Prokhorov, C. K. Rhodes, and O. B. Shiryaev

Phys. Rev. Lett. 65, 1753 (1990) - Published 1 October, 1990

Measurement and interpretation of spontaneous line emission from a common upper level in laser-produced carbon plasmas

Y. W. Huang, J.-S. Wang, J. C. Moreno, and H. R. Griem

Phys. Rev. Lett. 65, 1757 (1990) - Published 1 October, 1990

Condensed Matter: Structure, Etc.

Classical mechanics at T=0: Mobility of negative ions in ${}^{3}{He}$

Yang Chen and Nicolai Prokof’ev

Phys. Rev. Lett. 65, 1761 (1990) - Published 1 October, 1990

Quantum critical phenomena in one-dimensional Bose systems

Ghassan George Batrouni, Richard T. Scalettar, and Gergely T. Zimanyi

Phys. Rev. Lett. 65, 1765 (1990) - Published 1 October, 1990

Exactly solvable heterophase fluctuations at a vibrational-entropy-driven first-order phase transition

J. R. Morris and R. J. Gooding

Phys. Rev. Lett. 65, 1769 (1990) - Published 1 October, 1990

Critical behavior near a smooth inhomogeneity in the planar Ising model and conformal invariance

Ferenc Iglói, Bertrand Berche, and Loïc Turban

Phys. Rev. Lett. 65, 1773 (1990) - Published 1 October, 1990

New mechanism for mass gap scaling and transfer-matrix study for (1+1)D directed percolation

Malte Henkel and Vladimir Privman

Phys. Rev. Lett. 65, 1777 (1990) - Published 1 October, 1990

Generalization of the stress tensor to nonuniform fluids and solids and its relation to Saint-Venant’s strain compatibility conditions

Marc Baus and Ronald Lovett

Phys. Rev. Lett. 65, 1781 (1990) - Published 1 October, 1990

Universal scaling of the stress field at the vicinity of a wedge crack in two dimensions and oscillatory self-similar corrections to scaling

Robin C. Ball and Raphael Blumenfeld

Phys. Rev. Lett. 65, 1784 (1990) - Published 1 October, 1990

Theory of the oxygen-induced restructuring of Cu(110) and Cu(100) surfaces

K. W. Jacobsen and J. K. No?rskov

Phys. Rev. Lett. 65, 1788 (1990) - Published 1 October, 1990

Effects of network topology on low-temperature relaxation in Ge-As-Se glasses, as probed by persistent infrared spectral-hole burning

S. P. Love, A. J. Sievers, B. L. Halfpap, and S. M. Lindsay

Phys. Rev. Lett. 65, 1792 (1990) - Published 1 October, 1990

Pseudodonor electronic excited states of neutral complex defects in silicon

J. H. Svensson, B. Monemar, and E. Janzén

Phys. Rev. Lett. 65, 1796 (1990) - Published 1 October, 1990

Electronic level of interstitial hydrogen in GaAs

B. Clerjaud, F. Gendron, M. Krause, and W. Ulrici

Phys. Rev. Lett. 65, 1800 (1990) - Published 1 October, 1990

Condensed Matter: Electronic Properties, Etc.

Anisotropic plasmon dispersion in a lateral quantum-wire superlattice

T. Egeler, G. Abstreiter, G. Weimann, T. Demel, D. Heitmann, P. Grambow, and W. Schlapp

Phys. Rev. Lett. 65, 1804 (1990) - Published 1 October, 1990

Electric-field-induced changes in the two-photon absorption spectrum of multiple-quantum-well structures

Kazuhito Fujii, Akira Shimizu, Johan Bergquist, and Takeshi Sawada

Phys. Rev. Lett. 65, 1808 (1990) - Published 1 October, 1990

Broken symmetries and localization lengths in Anderson insulators: Theory and experiment

Jean-Louis Pichard, Marc Sanquer, Keith Slevin, and Philippe Debray

Phys. Rev. Lett. 65, 1812 (1990) - Published 1 October, 1990

Spin-density-wave dynamics in (TMTSF $)_{2}$ ${PF}_{6}$

D. Quinlivan, Yong Kim, K. Holczer, G. Grüner, and F. Wudl

Phys. Rev. Lett. 65, 1816 (1990) - Published 1 October, 1990

Angular band structure of a vortex line in a type-II superconductor

François Gygi and Michael Schluter

Phys. Rev. Lett. 65, 1820 (1990) - Published 1 October, 1990

Order-disorder structural phase transition in ${La}_{2 - x}$ ${Sr}_{x}$ ${CuO}_{4 + δ}$ at 150 K

J. Saylor and C. Hohenemser

Phys. Rev. Lett. 65, 1824 (1990) - Published 1 October, 1990

COMMENTS

Comment on ‘‘Normal-distortion-mode approach to liquid-crystal elastic energy’’

P. Palffy-Muhoray

Phys. Rev. Lett. 65, 1828 (1990) - Published 1 October, 1990

Schmidt replies

V. Hugo Schmidt

Phys. Rev. Lett. 65, 1829 (1990) - Published 1 October, 1990

Comment on ‘‘Non-Ising behavior of the Pt(110) surface phase transition’’

Igor Vilfan and Jacques Villain

Phys. Rev. Lett. 65, 1830 (1990) - Published 1 October, 1990

Robinson, Vlieg, and Kern reply

I. K. Robinson, E. Vlieg, and K. Kern

Phys. Rev. Lett. 65, 1831 (1990) - Published 1 October, 1990