Volume 47, Issue 17

D. Favart, P. Lipnik, P. Macq, J. -P. Matheys, N. Amos, M. Block, C. Leroy, D. Miller, S. Zucchelli, G. Bobbink, K. Potter, C. Vander Velde-Wilquet, M. Botje, and J. Sens

Phys. Rev. Lett. 47, 1191 (1981) - Published 26 October, 1981

Atoms and Molecules

Nuclear Polarization of Spin-Polarized Hydrogen

Richard W. Cline, Thomas J. Greytak, and Daniel Kleppner

Phys. Rev. Lett. 47, 1195 (1981) - Published 26 October, 1981

Far-Infrared Two-Photon Transitions in $n$ -GaAs

W. Böhm, E. Ettlinger, and W. Prettl

Phys. Rev. Lett. 47, 1198 (1981) - Published 26 October, 1981

Resonant Electron Transfer in Ionic Fluorine Compounds Following $1 s 2 p$ Ionization

O. Benka, R. L. Watson, and R. A. Kenefick

Phys. Rev. Lett. 47, 1202 (1981) - Published 26 October, 1981

Condensed Matter: Structure, Etc.

High-Resolution X-Ray-Scattering Study of the Nematic-Smectic $A$ -Reentrant Nematic Transitions in 8OCB/6OCB Mixtures

A. R. Kortan, H. V. Känel, R. J. Birgeneau, and J. D. Litster

Phys. Rev. Lett. 47, 1206 (1981) - Published 26 October, 1981

Compton Scattering at the Bragg Position

W. Schülke, U. Bonse, and S. Mourikis

Phys. Rev. Lett. 47, 1209 (1981) - Published 26 October, 1981

Condensed Matter: Electronic Properties, Etc.

New Phonon Effect on Itinerant-Electron Ferromagnetism

D. J. Kim

Phys. Rev. Lett. 47, 1213 (1981) - Published 26 October, 1981

Observation of Zero-Point Fluctuations in a Resistively Shunted Josephson Tunnel Junction

Roger H. Koch, D. J. Van Harlingen, and John Clarke

Phys. Rev. Lett. 47, 1216 (1981) - Published 26 October, 1981

Relation between Physical Properties and Chemical Composition of Conducting Pt-Chain Compounds: A New Example, ${Cs}_{2}$ [ ${Pt {(CN)}_{4}] (N_{3})}_{0.25}$ ·0.5 $H_{2}$ O

Allan E. Underhill, Gary S. V. Coles, Jack M. Williams, and Kim Carneiro

Phys. Rev. Lett. 47, 1220 (1981) - Published 26 October, 1981

Observation of a Tamm-Type State on ${Cu}_{0.9}$ ${Al}_{0.1}$ (100) Surface: Disorder Effects and Bulk Electronic Structure of an Alloy

M. Pessa, H. Asonen, R. S. Rao, R. Prasad, and A. Bansil

Phys. Rev. Lett. 47, 1223 (1981) - Published 26 October, 1981

Charge-State Dependence of Desorption of Biomolecules Induced by Fast Heavy Ions

P. Håkansson, E. Jayasinghe, A. Johansson, I. Kamensky, and B. Sundqvist

Phys. Rev. Lett. 47, 1227 (1981) - Published 26 October, 1981

COMMENTS

Quadrupole Moment of ${}^{57}{Fe}^{m}$

S. Vajda, G. D. Sprouse, M. H. Rafailovich, and J. W. Noé

Phys. Rev. Lett. 47, 1230 (1981) - Published 26 October, 1981

Physical Review Letters

Volume 47, Issue 17

LETTERS

General Physics

Simple Derivation of the Baxter-Model Free Energy

Variational Principle for Two-Dimensional Incompressible Hydrodynamics and Quasigeostrophic Flows

Approaching the Quantum "Limit" for Force Detection

Nonuniversal and Anomalous Decay of Boundary Spin Correlations in Inhomogeneous Ising Systems

Elementary Particles and Fields

Measurement of $\bar{p} p$ Elastic Scattering at $\sqrt{s} = 52.8$ GeV at the CERN Intersecting Storage Rings