Volume 67, Issue 15

J. Chiba, T. Kobayashi, T. Nagae, I. Arai, N. Kato, H. Kitayama, A. Manabe, M. Tanaka, K. Tomizawa, D. Beatty, G. Edwards, C. Glashausser, G. J. Kumbartzki, R. D. Ransome, and F. T. Baker

Phys. Rev. Lett. 67, 1982 (1991) - Published 7 October, 1991

Atomic, Molecular, and Optical Physics

Delayed ionization of $C_{60}$ and $C_{70}$

E. E. B. Campbell, G. Ulmer, and I. V. Hertel

Phys. Rev. Lett. 67, 1986 (1991) - Published 7 October, 1991

Scaling and time reversal of spin couplings in zero-field NMR

A. Llor, Z. Olejniczak, J. Sachleben, and A. Pines

Phys. Rev. Lett. 67, 1989 (1991) - Published 7 October, 1991

First test of CP invariance in the decay of positronium

M. Skalsey and J. Van House

Phys. Rev. Lett. 67, 1993 (1991) - Published 7 October, 1991

Precision position measurement of moving atoms using optical fields

K. D. Stokes, C. Schnurr, J. R. Gardner, M. Marable, G. R. Welch, and J. E. Thomas

Phys. Rev. Lett. 67, 1997 (1991) - Published 7 October, 1991

Time-resolved two-dimensional spectroscopy of optically driven atomic sublevel coherences

Dieter Suter, Harald Klepel, and Jürgen Mlynek

Phys. Rev. Lett. 67, 2001 (1991) - Published 7 October, 1991

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Three-dimensional miscible viscous fingering in porous media

J.-C. Bacri, D. Salin, and R. Wouméni

Phys. Rev. Lett. 67, 2005 (1991) - Published 7 October, 1991

From viscous fingering to viscoelastic fracturing in colloidal fluids

E. Lemaire, P. Levitz, G. Daccord, and H. Van Damme

Phys. Rev. Lett. 67, 2009 (1991) - Published 7 October, 1991

Capillary-wave relaxation for a meniscus between miscible liquids

S. E. May and J. V. Maher

Phys. Rev. Lett. 67, 2013 (1991) - Published 7 October, 1991

Microwave propagation in two-dimensional dielectric lattices

S. L. McCall, P. M. Platzman, R. Dalichaouch, David Smith, and S. Schultz

Phys. Rev. Lett. 67, 2017 (1991) - Published 7 October, 1991

Stimulated backscattered harmonic generation from intense laser interactions with beams and plasmas

Phillip Sprangle and Eric Esarey

Phys. Rev. Lett. 67, 2021 (1991) - Published 7 October, 1991

Condensed Matter: Structure, Etc.

Orientational fluctuations and phase transitions of long chain molecules at the air/water interface

Xiaolin Zhao, Suchitra Subrahmanyan, and Kenneth B. Eisenthal

Phys. Rev. Lett. 67, 2025 (1991) - Published 7 October, 1991

Langmuir-Blodgett films: From micron to angstrom

L. Bourdieu, P. Silberzan, and D. Chatenay

Phys. Rev. Lett. 67, 2029 (1991) - Published 7 October, 1991

Pretransitional surface ordering and disordering of a liquid crystal

T. Moses and Y. R. Shen

Phys. Rev. Lett. 67, 2033 (1991) - Published 7 October, 1991

Critical behavior at the nematic–to–smectic-A transition in a nonpolar liquid crystal with wide nematic range

Li Chen, J. D. Brock, J. Huang, and Satyendra Kumar

Phys. Rev. Lett. 67, 2037 (1991) - Published 7 October, 1991

Quantum paraelectricity and subsequent disappearance of bond alternation of molecule caused by proton dynamics in squaric acid crystal

Y. Moritomo, Y. Tokura, H. Takahashi, and N. Mōri

Phys. Rev. Lett. 67, 2041 (1991) - Published 7 October, 1991

Condensed Matter: Electronic Properties, Etc.

First-principles calculation of optical properties of $C_{60}$ in the fcc lattice

W. Y. Ching, Ming-Zhu Huang, Yong-Nian Xu, W. G. Harter, and F. T. Chan

Phys. Rev. Lett. 67, 2045 (1991) - Published 7 October, 1991

Localization in ensemble of sparse random matrices

Yan V. Fyodorov and Alexander D. Mirlin

Phys. Rev. Lett. 67, 2049 (1991) - Published 7 October, 1991

Formation and confinement of Wannier excitons in free argon clusters

J. Wörmer, M. Joppien, G. Zimmerer, and T. Möller

Phys. Rev. Lett. 67, 2053 (1991) - Published 7 October, 1991

Effect of environment on radiation-induced out diffusion of deuterons and protons from crystalline ${LiNbO}_{3}$ at low temperatures

R. González, E. R. Hodgson, C. Ballesteros, and Y. Chen

Phys. Rev. Lett. 67, 2057 (1991) - Published 7 October, 1991

Composite edges in the ν=2/3 fractional quantum Hall effect

M. D. Johnson and A. H. MacDonald

Phys. Rev. Lett. 67, 2060 (1991) - Published 7 October, 1991

Zeeman splitting in Pd and Pt calculated from self-consistent band structure including an external magnetic field

Anders Hjelm and Jean-Louis Calais

Phys. Rev. Lett. 67, 2064 (1991) - Published 7 October, 1991

Scaling of the insulator-to-superconductor transition in ultrathin amorphous Bi films

Y. Liu, K. A. McGreer, B. Nease, D. B. Haviland, G. Martinez, J. W. Halley, and A. M. Goldman

Phys. Rev. Lett. 67, 2068 (1991) - Published 7 October, 1991

Magnetic-field-dependent energy levels in a highly anisotropic electronic material

A. S. Perel, J. S. Brooks, C. J. G. N. Langerak, T. J. B. M. Janssen, J. Singleton, J. A. A. J. Perenboom, and L. Y. Chiang

Phys. Rev. Lett. 67, 2072 (1991) - Published 7 October, 1991

From classical to quantum glass

Wenhao Wu, B. Ellman, T. F. Rosenbaum, G. Aeppli, and D. H. Reich

Phys. Rev. Lett. 67, 2076 (1991) - Published 7 October, 1991

Phase diagram of the one-dimensional t-J model from variational theory

C. Stephen Hellberg and E. J. Mele

Phys. Rev. Lett. 67, 2080 (1991) - Published 7 October, 1991

New universality class for superconducting order parameter

M. I. Dobroliubov and S. Yu. Khlebnikov

Phys. Rev. Lett. 67, 2084 (1991) - Published 7 October, 1991

Effect of Zn impurities on the normal-state Hall angle in single-crystal ${YBa}_{2}$ ${Cu}_{3 - x}$ ${Zn}_{x}$ $O_{7 - δ}$

T. R. Chien, Z. Z. Wang, and N. P. Ong

Phys. Rev. Lett. 67, 2088 (1991) - Published 7 October, 1991

Hall effect in the two-dimensional Luttinger liquid

P. W. Anderson

Phys. Rev. Lett. 67, 2092 (1991) - Published 7 October, 1991

In-plane dissipation maxima and vortex-line distortions in the resistive transitions of oxygen-doped ${Bi}_{2}$ ${Sr}_{2}$ ${CaCu}_{2}$ $O_{8 + δ}$ single crystals

J. W. P. Hsu, D. B. Mitzi, A. Kapitulnik, and Mark Lee

Phys. Rev. Lett. 67, 2095 (1991) - Published 7 October, 1991

Influence of electric fields on pinning in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$ films

J. Mannhart, D. G. Schlom, J. G. Bednorz, and K. A. Müller

Phys. Rev. Lett. 67, 2099 (1991) - Published 7 October, 1991

Laser ablation of ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$ as probed by laser-induced fluorescence spectroscopy

C. E. Otis and R. W. Dreyfus

Phys. Rev. Lett. 67, 2102 (1991) - Published 7 October, 1991

Cross-Disciplinary Physics

Complex fractal dimension of the bronchial tree

Michael F. Shlesinger and Bruce J. West

Phys. Rev. Lett. 67, 2106 (1991) - Published 7 October, 1991

COMMENTS

Singularities in a new class of inhomogeneous cosmological models

Pankaj S. Joshi

Phys. Rev. Lett. 67, 2109 (1991) - Published 7 October, 1991

Senovilla replies

José M. M. Senovilla

Phys. Rev. Lett. 67, 2110 (1991) - Published 7 October, 1991

Comment on ‘‘Quantum color transparency’’

Glennys R. Farrar, Leonid L. Frankfurt, and Mark I. Strikman

Phys. Rev. Lett. 67, 2111 (1991) - Published 7 October, 1991

Ralston and Pire reply

John P. Ralston and Bernard Pire

Phys. Rev. Lett. 67, 2112 (1991) - Published 7 October, 1991

ERRATA

Dynamics of a Crystal Surface below its Roughening Transition

Frédéric Lançon and Jacques Villain

Phys. Rev. Lett. 67, 2113 (1991) - Published 7 October, 1991

Kaleidoscopic Spatial Instability: Bifurcations of Optical Transverse Solitary Waves

J. W. Grantham, H. M. Gibbs, G. Khitrova, J. F. Valley, and Xu Jiajin

Phys. Rev. Lett. 67, 2113 (1991) - Published 7 October, 1991

High-Resolution Infrared Spectroscopy of Solid Hydrogen

Man-Chor Chan, Mitchio Okumura, Charles M. Gabrys, Li-Wei Xu, Brent D. Rehfuss, and Takeshi Oka

Phys. Rev. Lett. 67, 2113 (1991) - Published 7 October, 1991

Excitonic Charge-Density-Wave Instability of Spatially Separated Electron-Hole Layers in Strong Magnetic Fields

X. M. Chen and J. J. Quinn

Phys. Rev. Lett. 67, 2113 (1991) - Published 7 October, 1991

Absence of the Zeeman Effect on the Maki-Thompson Fluctuation in Magnetoresistance of Y ${Ba}_{2}$ ${Cu}_{3}$ $O_{7}$ Single Crystals

Kouichi Semba, Takao Ishii, and Azusa Matsuda

Phys. Rev. Lett. 67, 2114 (1991) - Published 7 October, 1991