Volume 57, Issue 25

E. Mazzucato, P. Argan, G. Audit, A. Bloch, N. de Botton, N. d’Hose, J. -L. Faure, M. L. Ghedira, C. Guerra, J. Martin, C. Schuhl, G. Tamas, and E. Vincent

Phys. Rev. Lett. 57, 3144 (1986) - Published 22 December, 1986

Nuclear Physics

Suppression of the two-neutrino double-beta decay by nuclear-structure effects

P. Vogel and M. R. Zirnbauer

Phys. Rev. Lett. 57, 3148 (1986) - Published 22 December, 1986

Inclusive pion double charge exchange in ${}^{4}{He}$

E. R. Kinney, J. L. Matthews, P. A. M. Gram, D. W. MacArthur, E. Piasetzky, G. A. Rebka Jr., and D. A. Roberts

Phys. Rev. Lett. 57, 3152 (1986) - Published 22 December, 1986

Atomic, Molecular, and Optical Physics

Pondermotive effects on angular distributions of photoelectrons

R. R. Freeman, T. J. McIlrath, P. H. Bucksbaum, and M. Bashkansky

Phys. Rev. Lett. 57, 3156 (1986) - Published 22 December, 1986

Is a circular Rydberg atom stable in a vanishing electric field?

M. Gross and J. Liang

Phys. Rev. Lett. 57, 3160 (1986) - Published 22 December, 1986

Oscillatory exchange of atoms between traps containing Bose condensates

Juha Javanainen

Phys. Rev. Lett. 57, 3164 (1986) - Published 22 December, 1986

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Tricritical codimension-two point near the onset of convection in viscoelastic liquids

Helmut R. Brand and Barbara J. A. Zielinska

Phys. Rev. Lett. 57, 3167 (1986) - Published 22 December, 1986

Detailed measurements of inelastic scattering in Anderson localization

Shanjin He and J. D. Maynard

Phys. Rev. Lett. 57, 3171 (1986) - Published 22 December, 1986

Condensed Matter: Structure, Etc.

Experimental study of the chemisorbed state of $C_{2}$ $H_{2}$ , $C_{2}$ $H_{4}$ , and $C_{2}$ $H_{6}$ on noble-metal surfaces

D. Arvanitis, K. Baberschke, L. Wenzel, and U. Döbler

Phys. Rev. Lett. 57, 3175 (1986) - Published 22 December, 1986

Exact surface and wedge exponents for polymers in two dimensions

B. Duplantier and H. Saleur

Phys. Rev. Lett. 57, 3179 (1986) - Published 22 December, 1986

Thermodynamic and electronic properties of alkali-metal atom fluids

John P. Hernandez

Phys. Rev. Lett. 57, 3183 (1986) - Published 22 December, 1986

Impurity-quenched orientational epitaxy of Kr layers on Pt(111)

Klaus Kern, Peter Zeppenfeld, Rudolf David, Robert L. Palmer, and George Comsa

Phys. Rev. Lett. 57, 3187 (1986) - Published 22 December, 1986

X-ray determination of the substrate modulation potential for a two-dimensional Rb liquid in graphite

S. C. Moss, G. Reiter, J. L. Robertson, C. Thompson, J. D. Fan, and K. Ohshima

Phys. Rev. Lett. 57, 3191 (1986) - Published 22 December, 1986

Gradient percolation in three dimensions and relation to diffusion fronts

M. Rosso, J. F. Gouyet, and B. Sapoval

Phys. Rev. Lett. 57, 3195 (1986) - Published 22 December, 1986

Neutron scattering study of premartensitic behavior in Ni-Al alloys

S. M. Shapiro, J. Z. Larese, Y. Noda, S. C. Moss, and L. E. Tanner

Phys. Rev. Lett. 57, 3199 (1986) - Published 22 December, 1986

From fractal to dendritic: Competition between diffusion and field

Ou-Yang Zhong-can, Yue Gang, and Hao Bai-lin

Phys. Rev. Lett. 57, 3203 (1986) - Published 22 December, 1986

Condensed Matter: Electronic Properties, Etc.

Resonant microwave absorption in superconductor-normal-superconductor junctions

Helmut Aberle and Reiner Kümmel

Phys. Rev. Lett. 57, 3206 (1986) - Published 22 December, 1986

Stress-induced doubly resonant Raman scattering in GaAs

F. Cerdeira, E. Anastassakis, W. Kauschke, and M. Cardona

Phys. Rev. Lett. 57, 3209 (1986) - Published 22 December, 1986

Direct observation of ballistic electrons in silicon dioxide

D. J. DiMaria, M. V. Fischetti, J. Batey, L. Dori, E. Tierney, and J. Stasiak

Phys. Rev. Lett. 57, 3213 (1986) - Published 22 December, 1986

2 $E_{g}$ transitions in GaSb-AlSb quantum-well structures

A. Forchel, U. Cebulla, G. Tränkle, E. Lach, T. L. Reinecke, H. Kroemer, S. Subbanna, and G. Griffiths

Phys. Rev. Lett. 57, 3217 (1986) - Published 22 December, 1986

Ferromagnetic order at surfaces of ultrathin epitaxial fcc γ-Fe(111)p(11) films on Cu(111)

C. Rau, C. Schneider, G. Xing, and K. Jamison

Phys. Rev. Lett. 57, 3221 (1986) - Published 22 December, 1986

Three-dimensional random-bond Ising model: Phase diagram and critical properties

J. D. Reger and A. Zippelius

Phys. Rev. Lett. 57, 3225 (1986) - Published 22 December, 1986

Charged-soliton dynamics in trans-polyacetylene

L. Rothberg, T. M. Jedju, S. Etemad, and G. L. Baker

Phys. Rev. Lett. 57, 3229 (1986) - Published 22 December, 1986

COMMENTS

Comment on ‘‘Rigidity percolation in the germanium-arsenic-selenium alloy system’’

P. Boolchand

Phys. Rev. Lett. 57, 3233 (1986) - Published 22 December, 1986

Halfpap and Lindsay respond

B. L. Halfpap and S. M. Lindsay

Phys. Rev. Lett. 57, 3234 (1986) - Published 22 December, 1986

Comment on ‘‘Interatomic forces in scanning tunneling microscopy: Giant corrugations of the graphite surface’’

J. B. Pethica

Phys. Rev. Lett. 57, 3235 (1986) - Published 22 December, 1986