Volume 71, Issue 8

23 August 1993

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LETTERS

General Physics

Effective wave number for transmission of linear waves in one-dimensional media

B. P. Jeffryes

Phys. Rev. Lett. 71, 1119 (1993) - Published 23 August, 1993

Gravitation and Astrophysics

Testing for the Gaussian nature of cosmological density perturbations through the three-point temperature correlation function

Xiaochun Luo and David N. Schramm

Phys. Rev. Lett. 71, 1124 (1993) - Published 23 August, 1993

Neutrino lasing in the early Universe

N. Kaiser, R. A. Malaney, and G. D. Starkman

Phys. Rev. Lett. 71, 1128 (1993) - Published 23 August, 1993

Elementary Particles and Fields

Instanton effects in supergravity theories

Soo-Jong Rey and T. R. Taylor

Phys. Rev. Lett. 71, 1132 (1993) - Published 23 August, 1993

Casimir forces between beads on strings

Eric D’Hoker and Pierre Sikivie

Phys. Rev. Lett. 71, 1136 (1993) - Published 23 August, 1993

Discretized superstring in three-dimensional superspace

Parthasarathi Majumdar

Phys. Rev. Lett. 71, 1140 (1993) - Published 23 August, 1993

Nuclear Physics

Out-of-plane pion emission in relativistic heavy-ion collisions: Spectroscopy of Δ resonance matter

S. A. Bass, C. Hartnack, H. Stöcker, and W. Greiner

Phys. Rev. Lett. 71, 1144 (1993) - Published 23 August, 1993

Atomic, Molecular, and Optical Physics

Auxiliary-field quantum Monte Carlo calculations for systems with long-range repulsive interactions

Pier Luigi Silvestrelli, Stefano Baroni, and Roberto Car

Phys. Rev. Lett. 71, 1148 (1993) - Published 23 August, 1993

Optical-optical double resonance spectroscopy of the ${}^{1}Σ_{g}^{+}$ ‘‘shelf’’ states and ${}^{1}Π_{g}$ states of ${Na}_{2}$ using an ultrasensitive ionization detector

Chin-Chun Tsai, John T. Bahns, Thou-Jen Whang, He Wang, William C. Stwalley, and A. Marjatta Lyyra

Phys. Rev. Lett. 71, 1152 (1993) - Published 23 August, 1993

Photon energy dependence of the high resolution C 1s photoelectron spectrum of CO in the threshold region

K. J. Randall, A. L. D. Kilcoyne, H. M. Köppe, J. Feldhaus, A. M. Bradshaw, J.-E. Rubensson, W. Eberhardt, Z. Xu, P. D. Johnson, and Y. Ma

Phys. Rev. Lett. 71, 1156 (1993) - Published 23 August, 1993

Measurement of cross sections for electron capture and stripping by highly relativistic ions

Andrew Westphal and Y. D. He

Phys. Rev. Lett. 71, 1160 (1993) - Published 23 August, 1993

Photon antibunching in pulsed squeezed light generated via parametric amplification

M. Koashi, K. Kono, T. Hirano, and M. Matsuoka

Phys. Rev. Lett. 71, 1164 (1993) - Published 23 August, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Nonlinear optical solitary waves in a photonic band gap

Sajeev John and Neşet Aközbek

Phys. Rev. Lett. 71, 1168 (1993) - Published 23 August, 1993

Dynamical time scales generated by a model nonlinear Hamiltonian

Jorge F. Willemsen

Phys. Rev. Lett. 71, 1172 (1993) - Published 23 August, 1993

Condensed Matter: Structure, Etc.

Observation of bulk defects by scanning tunneling microscopy and spectroscopy: Arsenic antisite defects in GaAs

R. M. Feenstra, J. M. Woodall, and G. D. Pettit

Phys. Rev. Lett. 71, 1176 (1993) - Published 23 August, 1993

Gapless phason in an antiferroelectric liquid crystal

I. Muševič, R. Blinc, B. Žekš, M. Čopič, M. M. Wittebrood, Th. Rasing, H. Orihara, and Y. Ishibashi

Phys. Rev. Lett. 71, 1180 (1993) - Published 23 August, 1993

Structure, dynamics, and electronic properties of diamondlike amorphous carbon

C. Z. Wang and K. M. Ho

Phys. Rev. Lett. 71, 1184 (1993) - Published 23 August, 1993

Near-surface x-ray critical scattering from a ${NH}_{4}$ Br (11¯0) surface

B. Burandt, W. Press, and S. Haussühl

Phys. Rev. Lett. 71, 1188 (1993) - Published 23 August, 1993

Neutron diffraction study of the structure of deuterated ice VIII to 10 GPa

R. J. Nelmes, J. S. Loveday, R. M. Wilson, J. M. Besson, Ph. Pruzan, S. Klotz, G. Hamel, and S. Hull

Phys. Rev. Lett. 71, 1192 (1993) - Published 23 August, 1993

Observation of the undercoolability of quasicrystal-forming alloys by electromagnetic levitation

D. Holland-Moritz, D. M. Herlach, and K. Urban

Phys. Rev. Lett. 71, 1196 (1993) - Published 23 August, 1993

Prediction of the phase diagram of rigid $C_{60}$ molecules

Ailan Cheng, Michael L. Klein, and Carlo Caccamo

Phys. Rev. Lett. 71, 1200 (1993) - Published 23 August, 1993

In/Si(111)-√3 × √3 interface: An unrelaxed $T_{4}$ geometry

J. C. Woicik, T. Kendelewicz, Alberto Herrera-Gomez, K. E. Miyano, P. L. Cowan, C. E. Bouldin, P. Pianetta, and W. E. Spicer

Phys. Rev. Lett. 71, 1204 (1993) - Published 23 August, 1993

Photon-stimulated layer-by-layer desorption from NaCl(001) surfaces monitored by helium-atom scattering

H. Höche, J. P. Toennies, and R. Vollmer

Phys. Rev. Lett. 71, 1208 (1993) - Published 23 August, 1993

Theory and simulation of sliding friction

B. N. J. Persson

Phys. Rev. Lett. 71, 1212 (1993) - Published 23 August, 1993

Pore-space correlations in capillary condensation in Vycor

J. H. Page, J. Liu, B. Abeles, H. W. Deckman, and D. A. Weitz

Phys. Rev. Lett. 71, 1216 (1993) - Published 23 August, 1993

Condensed Matter: Electronic Properties, Etc.

Criterion for validity of many-body perturbation theory of the electron gas

P. W. Anderson

Phys. Rev. Lett. 71, 1220 (1993) - Published 23 August, 1993

Bose-Einstein condensation of paraexcitons in stressed ${Cu}_{2}$ O

Jia Ling Lin and J. P. Wolfe

Phys. Rev. Lett. 71, 1222 (1993) - Published 23 August, 1993

Peierls distortion in hexagonal ${YH}_{3}$

Yan Wang and M. Y. Chou

Phys. Rev. Lett. 71, 1226 (1993) - Published 23 August, 1993

Statistics of conductance fluctuations in quantum dots

V. N. Prigodin, K. B. Efetov, and S. Iida

Phys. Rev. Lett. 71, 1230 (1993) - Published 23 August, 1993

Identification of strained silicon layers at Si- ${SiO}_{2}$ interfaces and clean Si surfaces by nonlinear optical spectroscopy

W. Daum, H.-J. Krause, U. Reichel, and H. Ibach

Phys. Rev. Lett. 71, 1234 (1993) - Published 23 August, 1993

Resistive upper critical field of ${Tl}_{2}$ ${Ba}_{2}$ ${CuO}_{6}$ at low temperatures and high magnetic fields

A. P. Mackenzie, S. R. Julian, G. G. Lonzarich, A. Carrington, S. D. Hughes, R. S. Liu, and D. S. Sinclair

Phys. Rev. Lett. 71, 1238 (1993) - Published 23 August, 1993

Scaling of the Hall resistivity in high- $T_{c}$ superconductors

V. M. Vinokur, V. B. Geshkenbein, M. V. Feigel’man, and G. Blatter

Phys. Rev. Lett. 71, 1242 (1993) - Published 23 August, 1993

Evidence for nonconventional vortex dynamics in an ideal two-dimensional superconductor

R. Théron, J.-B. Simond, Ch. Leemann, H. Beck, P. Martinoli, and P. Minnhagen

Phys. Rev. Lett. 71, 1246 (1993) - Published 23 August, 1993

Frozen spin-wave structure on the NiO(100) surface observed by metastable He $2^{3}$ S scattering

A. Swan, M. Marynowski, W. Franzen, M. El-Batanouny, and K. M. Martini

Phys. Rev. Lett. 71, 1250 (1993) - Published 23 August, 1993

Spin-spin correlation in the quantum critical regime of ${La}_{2}$ ${CuO}_{4}$

T. Imai, C. P. Slichter, K. Yoshimura, M. Katoh, and K. Kosuge

Phys. Rev. Lett. 71, 1254 (1993) - Published 23 August, 1993

Raman line shapes of anharmonic phonons

C. M. Foster, M. Grimsditch, Z. Li, and V. G. Karpov

Phys. Rev. Lett. 71, 1258 (1993) - Published 23 August, 1993

Transient nonlinear optical response from excitation induced dephasing in GaAs

Hailin Wang, Kyle Ferrio, Duncan G. Steel, Y. Z. Hu, R. Binder, and S. W. Koch

Phys. Rev. Lett. 71, 1261 (1993) - Published 23 August, 1993

Pinning of photoluminescence peak positions for light-emitting porous silicon: An evidence of quantum size effect

Xun Wang, Daming Huang, Ling Ye, Min Yang, Pinghai Hao, Huaxiang Fu, Xiaoyuan Hou, and Xide Xie

Phys. Rev. Lett. 71, 1265 (1993) - Published 23 August, 1993

Cross-Disciplinary Physics

Absence of self-averaging in shattering fragmentation processes

D. L. Maslov

Phys. Rev. Lett. 71, 1268 (1993) - Published 23 August, 1993

One-dimensional ‘‘spirals’’: Novel asynchronous chemical wave sources

J.-J. Perraud, A. De Wit, E. Dulos, P. De Kepper, G. Dewel, and P. Borckmans

Phys. Rev. Lett. 71, 1272 (1993) - Published 23 August, 1993

Dynamics of dissociative chemisorption: ${Cl}_{2}$ /Si(111)-(2×1)

A. De Vita, I. Štich, M. J. Gillan, M. C. Payne, and L. J. Clarke

Phys. Rev. Lett. 71, 1276 (1993) - Published 23 August, 1993

Pattern of synchrony in inhomogeneous networks of oscillators with pulse interactions

M. Tsodyks, I. Mitkov, and H. Sompolinsky

Phys. Rev. Lett. 71, 1280 (1993) - Published 23 August, 1993

COMMENTS

Comment on ‘‘Problem of light diffusion in strongly scattering media’’

B. A. van Tiggelen, A. Lagendijk, and A. Tip

Phys. Rev. Lett. 71, 1284 (1993) - Published 23 August, 1993

Barabanenkov and Ozrin reply

Yu. N. Barabanenkov and V. D. Ozrin

Phys. Rev. Lett. 71, 1285 (1993) - Published 23 August, 1993

Comment on ‘‘Origin of the Stokes shift: A geometrical model of exciton spectra in 2D semiconductors’’

J. A. Kash

Phys. Rev. Lett. 71, 1286 (1993) - Published 23 August, 1993

Yang et al. reply

F. Yang, M. Wilkinson, E. J. Austin, and K. P. O’Donnell

Phys. Rev. Lett. 71, 1287 (1993) - Published 23 August, 1993

Comment on ‘‘Self-organized criticality in a continuous, nonconservative cellular automaton modeling earthquakes’’

W. Klein and J. Rundle

Phys. Rev. Lett. 71, 1288 (1993) - Published 23 August, 1993

Christensen replies

Kim Christensen

Phys. Rev. Lett. 71, 1289 (1993) - Published 23 August, 1993