Volume 49, Issue 26

F. A. Dilmanian, D. G. Sarantites, M. Jääskeläinen, H. Puchta, R. Woodward, J. R. Beene, D. C. Hensley, M. L. Halbert, R. Novotny, L. Adler, R. K. Choudhury, M. N. Namboodiri, R. P. Schmitt, and J. B. Natowitz

Phys. Rev. Lett. 49, 1909 (1982) - Published 27 December, 1982

Atoms and Molecules

Laboratory Observations of Collision-Induced Emission in the Fundamental Vibration-Rotation Band of $H_{2}$

R. Krech, G. Caledonia, S. Schertzer, K. Ritter, T. Wilkerson, L. Cotnoir, R. Taylor, and G. Birnbaum

Phys. Rev. Lett. 49, 1913 (1982) - Published 27 December, 1982

Classical Phenomenology and Applications

Multicollision Model for Amplification by Stimulated Emission of Bremsstrahlung

A. Rosenberg, Y. Ben-Aryeh, J. Felsteiner, and J. Politch

Phys. Rev. Lett. 49, 1917 (1982) - Published 27 December, 1982

Exact Solution of the Scalar Wave Equation with Focused Gaussian Gain

B. N. Perry, P. Rabinowitz, and M. Newstein

Phys. Rev. Lett. 49, 1921 (1982) - Published 27 December, 1982

Statistics of Millimeter-Wave Photons Emitted by a Rydberg-Atom Maser: An Experimental Study of Fluctuations in Single-Mode Superradiance

J. M. Raimond, P. Goy, M. Gross, C. Fabre, and S. Haroche

Phys. Rev. Lett. 49, 1924 (1982) - Published 27 December, 1982

Observation of Optical Tristability in Sodium Vapors

S. Cecchi, G. Giusfredi, E. Petriella, and P. Salieri

Phys. Rev. Lett. 49, 1928 (1982) - Published 27 December, 1982

Fluids, Plasmas, and Electric Discharges

Plasmon Linewidth and Frequency Shift in Dense Matter

N. Itoh, Y. Kohyama, S. Ichimaru, K. Utsumi, and M. Hasegawa

Phys. Rev. Lett. 49, 1932 (1982) - Published 27 December, 1982

Electron Heat Transport down Steep Temperature Gradients

J. P. Matte and J. Virmont

Phys. Rev. Lett. 49, 1936 (1982) - Published 27 December, 1982

Asymptotic Solutions of the Nonlinear Three-Wave System

M. N. Bussac

Phys. Rev. Lett. 49, 1939 (1982) - Published 27 December, 1982

Observation of Stimulated Raman Scattering from 20-psec Laser-Produced Plasmas

K. A. Nugent and B. Luther-Davies

Phys. Rev. Lett. 49, 1943 (1982) - Published 27 December, 1982

Condensed Matter: Structure, Etc.

Valence Instability in $Eu {({Pd}_{1 - x} {Au}_{x})}_{2} {Si}_{2}$ : The Global Phase Diagram

C. U. Segre, M. Croft, J. A. Hodges, V. Murgai, L. C. Gupta, and R. D. Parks

Phys. Rev. Lett. 49, 1947 (1982) - Published 27 December, 1982

Investigation of the Ribbon Structure of a Lyotropic Liquid Crystal by Deuterium Nuclear Magnetic Resonance

G. Chidichimo, N. A. P. Vaz, Z. Yaniv, and J. W. Doane

Phys. Rev. Lett. 49, 1950 (1982) - Published 27 December, 1982

Condensed Matter: Electronic Properties, Etc.

Laser-Induced Periodic Surface Structure on Solids: A Universal Phenomenon

H. M. van Driel, J. E. Sipe, and Jeff F. Young

Phys. Rev. Lett. 49, 1955 (1982) - Published 27 December, 1982

COMMENTS

Explanation of Flow Dissipation in ${}^{3}{He}$ - $B$

H. Brand and M. C. Cross

Phys. Rev. Lett. 49, 1959 (1982) - Published 27 December, 1982

Eisenstein and Packard Respond

J. Eisenstein and R. E. Packard

Phys. Rev. Lett. 49, 1960 (1982) - Published 27 December, 1982

ERRATA

Critical Fields of the "Heavy-Fermion" Superconductor Ce ${Cu}_{2}$ ${Si}_{2}$ .

U. Rauchschwalbe, W. Lieke, C. D. Bredl, F. Steglich, J. Aarts, K. M. Martini, and A. C. Mota

Phys. Rev. Lett. 49, 1960 (1982) - Published 27 December, 1982

Relativistic Tidal Forces and the Possibility of Measuring Them.

Bahram Mashhoon and Dietmar S. Theiss

Phys. Rev. Lett. 49, 1960 (1982) - Published 27 December, 1982