Volume 65, Issue 7

H. Utsunomiya, Y.-W. Lui, D. R. Haenni, H. Dejbakhsh, L. Cooke, B. K. Srivastava, W. Turmel, D. O’Kelly, R. P. Schmitt, D. Shapira, J. Gomez del Campo, A. Ray, and T. Udagawa

Phys. Rev. Lett. 65, 847 (1990) - Published 13 August, 1990

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Parasitic wave excitation by multimode coupling in a Raman-regime free-electron laser

Yasuaki Kishimoto, Hisako Oda, and Makoto Shiho

Phys. Rev. Lett. 65, 851 (1990) - Published 13 August, 1990

Plasma and Beam Physics

Absolute instability for enhanced radiation from a high-power plasma-filled backward-wave oscillator

M. M. Ali, K. Minami, K. Ogura, T. Hosokawa, H. Kazama, T. Ozawa, T. Watanabe, Y. Carmel, V. L. Granatstein, W. W. Destler, R. A. Kehs, W. R. Lou, and D. Abe

Phys. Rev. Lett. 65, 855 (1990) - Published 13 August, 1990

Dynamic trapping: Neutralization of positive space charge in a collisionless magnetized plasma

M. Bohm, N. Brenning, and C.-G. Fälthammar

Phys. Rev. Lett. 65, 859 (1990) - Published 13 August, 1990

Condensed Matter: Structure, Etc.

Nucleation and growth of monodisperse droplets in a binary-fluid system

Andrew Cumming, Pierre Wiltzius, and Frank S. Bates

Phys. Rev. Lett. 65, 863 (1990) - Published 13 August, 1990

Nonhydrodynamic spin transport in superfluid ${}^{3}{He}$

Yu. M. Bunkov, V. V. Dmitriev, A. V. Markelov, Yu. M. Mukharskii, and D. Einzel

Phys. Rev. Lett. 65, 867 (1990) - Published 13 August, 1990

Pressure dependence of Ag photodoping in amorphous As-S films

Keiji Tanaka

Phys. Rev. Lett. 65, 871 (1990) - Published 13 August, 1990

Evidence for amorphization of a metallic alloy by ion electronic energy loss

A. Audouard, E. Balanzat, S. Bouffard, J. C. Jousset, A. Chamberod, A. Dunlop, D. Lesueur, G. Fuchs, R. Spohr, J. Vetter, and L. Thomé

Phys. Rev. Lett. 65, 875 (1990) - Published 13 August, 1990

Universal properties of classical surface diffusion

Tapio Ala-Nissila and S. C. Ying

Phys. Rev. Lett. 65, 879 (1990) - Published 13 August, 1990

Observation of quasicrystal surface order and disordering by low-energy electron diffraction

E. G. McRae, R. A. Malic, T. H. Lalonde, F. A. Thiel, H. S. Chen, and A. R. Kortan

Phys. Rev. Lett. 65, 883 (1990) - Published 13 August, 1990

Forces on charged defects in semiconductor heterostructures

J. Tersoff

Phys. Rev. Lett. 65, 887 (1990) - Published 13 August, 1990

Condensed Matter: Electronic Properties, Etc.

Indirect energy gap of ${}^{13}C$ diamond

A. T. Collins, S. C. Lawson, Gordon Davies, and H. Kanda

Phys. Rev. Lett. 65, 891 (1990) - Published 13 August, 1990

Electronic and optical properties of yttria

W. Y. Ching and Yong-Nian Xu

Phys. Rev. Lett. 65, 895 (1990) - Published 13 August, 1990

Ultrafast adiabatic following in semiconductors

R. Binder, S. W. Koch, M. Lindberg, N. Peyghambarian, and W. Schäfer

Phys. Rev. Lett. 65, 899 (1990) - Published 13 August, 1990

Energy spectrum and charge-density-wave instability of a double quantum well in a magnetic field

Luis Brey

Phys. Rev. Lett. 65, 903 (1990) - Published 13 August, 1990

Nature of the extended states in the fractional quantum Hall effect

V. J. Goldman, J. K. Jain, and M. Shayegan

Phys. Rev. Lett. 65, 907 (1990) - Published 13 August, 1990

Observation of conductance fluctuations in large ${In}_{2}$ $O_{3 - x}$ films

F. P. Milliken and Z. Ovadyahu

Phys. Rev. Lett. 65, 911 (1990) - Published 13 August, 1990

Determination of the superconducting gap in R ${Ba}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$

B. Friedl, C. Thomsen, and M. Cardona

Phys. Rev. Lett. 65, 915 (1990) - Published 13 August, 1990

Intrinsic pinning and lock-in transition of flux lines in layered type-II superconductors

D. Feinberg and C. Villard

Phys. Rev. Lett. 65, 919 (1990) - Published 13 August, 1990

Quantum phase transitions in disordered two-dimensional superconductors

Matthew P. A. Fisher

Phys. Rev. Lett. 65, 923 (1990) - Published 13 August, 1990

Magnetic-field-tuned superconductor-insulator transition in two-dimensional films

A. F. Hebard and M. A. Paalanen

Phys. Rev. Lett. 65, 927 (1990) - Published 13 August, 1990

Cross-Disciplinary Physics

Statistical-Mechanical Theory of the Ripple Phase of Lipid Bilayers

W. Scott McCullough and H. L. Scott

Phys. Rev. Lett. 65, 931 (1990) - Published 13 August, 1990

COMMENTS

Comment on ‘‘New nonphotorefractive mechanism for two-beam coupling in a crystallographic-cut photorefractive crystal’’

S. I. Stepanov

Phys. Rev. Lett. 65, 935 (1990) - Published 13 August, 1990

Khitrova et al. reply

G. Khitrova, D. Rouède, N. V. Kukhtarev, and H. M. Gibbs

Phys. Rev. Lett. 65, 936 (1990) - Published 13 August, 1990

Anisotropy in the optical spectrum of the GaAs(110) surface

F. Manghi, E. Molinari, A. Selloni, and R. Del Sole

Phys. Rev. Lett. 65, 937 (1990) - Published 13 August, 1990

Zhu et al. reply

Xuejun Zhu, S. B. Zhang, Steven G. Louie, and Marvin L. Cohen

Phys. Rev. Lett. 65, 938 (1990) - Published 13 August, 1990

ERRATA

Surface Photovoltage Effects in Photoemission from Metal-GaP(110) Interfaces: Importance for Band-Bending Evaluation

M. Alonso, R. Cimino, and K. Horn

Phys. Rev. Lett. 65, 939 (1990) - Published 13 August, 1990

Surface Self-Diffusion on Pt(001) by an Atomic Exchange Mechanism

G. L. Kellogg and Peter J. Feibelman

Phys. Rev. Lett. 65, 939 (1990) - Published 13 August, 1990