Volume 72, Issue 19

S. Svensson, A. Ausmees, S. J. Osborne, G. Bray, F. Gel’mukhanov, H. Ågren, A. Naves de Brito, O.-P. Sairanen, A. Kivimäki, E. Nõmmiste, H. Aksela, and S. Aksela

Phys. Rev. Lett. 72, 3021 (1994) - Published 9 May, 1994

Plasma and Beam Physics

Proposal for a novel two-beam accelerator

Ya. S. Derbenev, Y. Y. Lau, and R. M. Gilgenbach

Phys. Rev. Lett. 72, 3025 (1994) - Published 9 May, 1994

Density and temperature sensitive features in high temperature plasma L-shell xenon emission spectra

C. J. Keane, B. A. Hammel, A. L. Osterheld, and D. R. Kania

Phys. Rev. Lett. 72, 3029 (1994) - Published 9 May, 1994

Condensed Matter: Structure, Etc.

‘‘Prepeaks’’ and ‘‘first sharp diffraction peaks’’ in computer simulations of strong and fragile ionic liquids

M. Wilson and P. A. Madden

Phys. Rev. Lett. 72, 3033 (1994) - Published 9 May, 1994

Real-space imaging of pentagonal symmetry elements by 2-keV electrons in the icosahedral quasicrystal ${Al}_{70}$ ${Mn}_{9}$ ${Pd}_{21}$

M. Erbudak, H.-U. Nissen, E. Wetli, M. Hochstrasser, and S. Ritsch

Phys. Rev. Lett. 72, 3037 (1994) - Published 9 May, 1994

Roughening instability and evolution of the Ge(001) surface during ion sputtering

E. Chason, T. M. Mayer, B. K. Kellerman, D. T. McIlroy, and A. J. Howard

Phys. Rev. Lett. 72, 3040 (1994) - Published 9 May, 1994

Grazing incidence prompt gamma emissions and resonance-enhanced neutron standing waves in a thin film

Huai Zhang, P. D. Gallagher, S. K. Satija, R. M. Lindstrom, R. L. Paul, T. P. Russell, P. Lambooy, and E. J. Kramer

Phys. Rev. Lett. 72, 3044 (1994) - Published 9 May, 1994

Megabar pressure triple point in solid deuterium

Lijing Cui, Nancy H. Chen, S. J. Jeon, and Isaac F. Silvera

Phys. Rev. Lett. 72, 3048 (1994) - Published 9 May, 1994

Neutron and light scattering study of supercooled glycerol

J. Wuttke, J. Hernandez, G. Li, G. Coddens, H. Z. Cummins, F. Fujara, W. Petry, and H. Sillescu

Phys. Rev. Lett. 72, 3052 (1994) - Published 9 May, 1994

Two-phonon quantum diffusion of muonium in solid nitrogen

V. Storchak, J. H. Brewer, W. N. Hardy, S. R. Kreitzman, and G. D. Morris

Phys. Rev. Lett. 72, 3056 (1994) - Published 9 May, 1994

Heat-flow induced anomalies in superfluid ${}^{4}{He}$ near $T_{λ}$

R. Haussmann and V. Dohm

Phys. Rev. Lett. 72, 3060 (1994) - Published 9 May, 1994

Growth and coalescence in submonolayer homoepitaxy on Cu(100) studied with high-resolution low-energy electron diffraction

J.-K. Zuo, J. F. Wendelken, H. Dürr, and C.-L. Liu

Phys. Rev. Lett. 72, 3064 (1994) - Published 9 May, 1994

Highly anisotropic angular dependence of ${CH}_{3}$ fragmentation from electron-transfer reactions on ${CH}_{3}$ Br/GaAs(110)

Q. Y. Yang, W. N. Schwarz, P. J. Lasky, S. C. Hood, N. L. Loo, and R. M. Osgood, Jr.

Phys. Rev. Lett. 72, 3068 (1994) - Published 9 May, 1994

Evidence for strain induced 2D roughening in Ag islands on Pt(111)

P. Blandin, C. Massobrio, and P. Ballone

Phys. Rev. Lett. 72, 3072 (1994) - Published 9 May, 1994

Local stability of nonequilibrium phases

P. J. Craievich, M. Weinert, J. M. Sanchez, and R. E. Watson

Phys. Rev. Lett. 72, 3076 (1994) - Published 9 May, 1994

Condensed Matter: Electronic Properties, Etc.

Magnetocapacitance and the edge state of a two-dimensional electron system in the quantum Hall regime

S. Takaoka, K. Oto, H. Kurimoto, K. Murase, K. Gamo, and S. Nishi

Phys. Rev. Lett. 72, 3080 (1994) - Published 9 May, 1994

Positive giant magnetoresistance in Dy/Sc superlattices

F. Tsui, C. Uher, and C. P. Flynn

Phys. Rev. Lett. 72, 3084 (1994) - Published 9 May, 1994

Interplane charge dynamics in ${La}_{2 - x}$ ${Sr}_{x}$ ${CuO}_{4}$

K. Tamasaku, T. Ito, H. Takagi, and S. Uchida

Phys. Rev. Lett. 72, 3088 (1994) - Published 9 May, 1994

Temperature dependence of the magnetic field penetration depth in ${Rb}_{3}$ $C_{60}$ measured by ac susceptibility

A. M. Neminsky, P. N. Nikolaev, D. V. Shovkun, E. E. Laukhina, and E. B. Yagubskii

Phys. Rev. Lett. 72, 3092 (1994) - Published 9 May, 1994

Critical dynamics and plastic flow in disordered Josephson junction arrays

Daniel Domínguez

Phys. Rev. Lett. 72, 3096 (1994) - Published 9 May, 1994

${}^{89}Y$ NMR probe of Zn induced local moments in ${YBa}_{2}$ ( ${Cu}_{1 - y}$ ${Zn}_{y}$ $)_{3}$ $O_{6 + x}$

A. V. Mahajan, H. Alloul, G. Collin, and J. F. Marucco

Phys. Rev. Lett. 72, 3100 (1994) - Published 9 May, 1994

New mode of magnetic excitation in praseodymium

K. N. Clausen, K. A. McEwen, J. Jensen, and A. R. Mackintosh

Phys. Rev. Lett. 72, 3104 (1994) - Published 9 May, 1994

Specific heat of defects in Haldane systems $Y_{2}$ ${BaNiO}_{5}$ and NENP: Absence of free spin-1/2 excitations

A. P. Ramirez, S-W. Cheong, and M. L. Kaplan

Phys. Rev. Lett. 72, 3108 (1994) - Published 9 May, 1994

Magnetic phases of ultrathin Fe grown on Cu(100) as epitaxial wedges

Dongqi Li, M. Freitag, J. Pearson, Z. Q. Qiu, and S. D. Bader

Phys. Rev. Lett. 72, 3112 (1994) - Published 9 May, 1994

Cross-Disciplinary Physics

Formation of crystalline ${Ag}_{x}$ ${Ni}_{1 - x}$ solid solutions of unusually high supersaturation by laser ablation deposition

R. P. van Ingen, R. H. J. Fastenau, and E. J. Mittemeijer

Phys. Rev. Lett. 72, 3116 (1994) - Published 9 May, 1994

Stochastic resonance in the perceptual interpretation of ambiguous figures: A neural network model

M. Riani and E. Simonotto

Phys. Rev. Lett. 72, 3120 (1994) - Published 9 May, 1994

Observation of charge-induced recovery of ozone concentration after catalytic destruction by chlorofluorocarbons

A. Y. Wong, D. K. Sensharma, A. W. Tang, R. G. Suchannek, and D. Ho

Phys. Rev. Lett. 72, 3124 (1994) - Published 9 May, 1994

COMMENTS

Comment on ‘‘Nucleon-nucleon scattering lengths in QCD sum rules’’

R. J. Furnstahl and T. Hatsuda

Phys. Rev. Lett. 72, 3128 (1994) - Published 9 May, 1994

Kondo and Morimatsu reply

Y. Kondo and O. Morimatsu

Phys. Rev. Lett. 72, 3129 (1994) - Published 9 May, 1994

Comment on ‘‘Conduction electron spin resonance in ${Rb}_{3}$ $C_{60}$ ’’

Mayumi Kosaka, Katsumi Tanigaki, and Ichirou Hirosawa

Phys. Rev. Lett. 72, 3130 (1994) - Published 9 May, 1994

Jánossy et al. reply

A. Jánossy, O. Chauvet, S. Pekker, J. R. Cooper, L. Forró, M. Tegze, and G. Faigel

Phys. Rev. Lett. 72, 3131 (1994) - Published 9 May, 1994

ERRATA

Local Structural Distortions below and above the Antiferrodistortive Phase Transition

B. Rechav, Y. Yacoby, E. A. Stern, J. J. Rehr, and M. Newville

Phys. Rev. Lett. 72, 3132 (1994) - Published 9 May, 1994