Volume 70, Issue 21

S. F. Pate, C. Bloch, G. Xu, S. M. Bowyer, T. W. Bowyer, W. W. Jacobs, H.-O. Meyer, E. Pierce, J. Sowinski, S. E. Vigdor, C. Whiddon, S. W. Wissink, P. L. Jolivette, and M. A. Pickar

Phys. Rev. Lett. 70, 3205 (1993) - Published 24 May, 1993

Energy dependence of double giant resonances in pion double charge exchange

H. Ward, J. Johnson, K. Johnson, S. Greene, Y. Grof, C. Fred Moore, S. Mordechai, C. L. Morris, J. M. O’Donnell, and C. Whitley

Phys. Rev. Lett. 70, 3209 (1993) - Published 24 May, 1993

Atomic, Molecular, and Optical Physics

Precision lifetimes for the ${Ca}^{+}$ 4p ${}^{2}$ P levels: Experiment challenges theory at the 1% level

Jian Jin and D. A. Church

Phys. Rev. Lett. 70, 3213 (1993) - Published 24 May, 1993

Transient laser cooling

S. Padua, C. Xie, R. Gupta, H. Batelaan, T. Bergeman, and H. Metcalf

Phys. Rev. Lett. 70, 3217 (1993) - Published 24 May, 1993

Images of photoelectrons formed in intense laser fields

H. Helm, N. Bjerre, M. J. Dyer, D. L. Huestis, and M. Saeed

Phys. Rev. Lett. 70, 3221 (1993) - Published 24 May, 1993

Two-color spectroscopy of colliding ultracold atoms

V. Bagnato, L. Marcassa, C. Tsao, Y. Wang, and J. Weiner

Phys. Rev. Lett. 70, 3225 (1993) - Published 24 May, 1993

Near threshold effects in positron- $O_{2}$ scattering

G. Laricchia, J. Moxom, and M. Charlton

Phys. Rev. Lett. 70, 3229 (1993) - Published 24 May, 1993

Direct observation of transition from delayed ionization to direct ionization for free $C_{60}$ and $C_{70}$ : Thermionic emission?

Y. Zhang and M. Stuke

Phys. Rev. Lett. 70, 3231 (1993) - Published 24 May, 1993

Atomic coherence effects within the sodium $D_{1}$ line: Lasing without inversion via population trapping

Edward S. Fry, Xingfu Li, Dmitri Nikonov, G. G. Padmabandu, Marlan O. Scully, Arlie V. Smith, Frank K. Tittel, Ching Wang, Steve R. Wilkinson, and Shi-Yao Zhu

Phys. Rev. Lett. 70, 3235 (1993) - Published 24 May, 1993

Quantum noise reduction in optical amplification

Z. Y. Ou, S. F. Pereira, and H. J. Kimble

Phys. Rev. Lett. 70, 3239 (1993) - Published 24 May, 1993

Experimental demonstration of light amplification without population inversion

W. E. van der Veer, R. J. J. van Diest, A. Dönszelmann, and H. B. van Linden van den Heuvell

Phys. Rev. Lett. 70, 3243 (1993) - Published 24 May, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

How intense is parametric x radiation?

S. Asano, I. Endo, M. Harada, S. Ishii, T. Kobayashi, T. Nagata, M. Muto, K. Yoshida, and H. Nitta

Phys. Rev. Lett. 70, 3247 (1993) - Published 24 May, 1993

Reynolds number dependence of isotropic Navier-Stokes turbulence

Zhen-Su She, Shiyi Chen, Gary Doolen, Robert H. Kraichnan, and Steven A. Orszag

Phys. Rev. Lett. 70, 3251 (1993) - Published 24 May, 1993

Plasma and Beam Physics

Selection of single-mode radiation from a short-pulse free-electron laser

D. Oepts, A. F. G. van der Meer, R. J. Bakker, and P. W. van Amersfoort

Phys. Rev. Lett. 70, 3255 (1993) - Published 24 May, 1993

Onset of the sawtooth crash

F. L. Waelbroeck

Phys. Rev. Lett. 70, 3259 (1993) - Published 24 May, 1993

Condensed Matter: Structure, Etc.

Adsorption and scanning-tunneling-microscope imaging of benzene on graphite and ${MoS}_{2}$

A. J. Fisher and P. E. Blöchl

Phys. Rev. Lett. 70, 3263 (1993) - Published 24 May, 1993

Topological influences on polymer adsorption and desorption dynamics

Harry E. Johnson, Jack F. Douglas, and Steve Granick

Phys. Rev. Lett. 70, 3267 (1993) - Published 24 May, 1993

Surface diffusion currents and the universality classes of growth

Joachim Krug, Michael Plischke, and Martin Siegert

Phys. Rev. Lett. 70, 3271 (1993) - Published 24 May, 1993

Kinetics of phase separation in the presence of two disparate energy scales

Sharon C. Glotzer, Mark F. Gyure, Francesco Sciortino, Antonio Coniglio, and H. Eugene Stanley

Phys. Rev. Lett. 70, 3275 (1993) - Published 24 May, 1993

Kinetics of systems with continuous symmetry under the effect of an external field

A. M. Somoza and R. C. Desai

Phys. Rev. Lett. 70, 3279 (1993) - Published 24 May, 1993

Structure and dynamics of binary clusters

A. S. Clarke, R. Kapral, B. Moore, and X.-G. Wu

Phys. Rev. Lett. 70, 3283 (1993) - Published 24 May, 1993

Structure of palladium-rhodium alloys below their melting points

Yang Wang, J. S. Faulkner, and G. M. Stocks

Phys. Rev. Lett. 70, 3287 (1993) - Published 24 May, 1993

Reentrant superfluidity in ${}^{4}{He}$ films adsorbed on graphite

P. A. Crowell and J. D. Reppy

Phys. Rev. Lett. 70, 3291 (1993) - Published 24 May, 1993

The (001) surface of a α-Ga is covered with Ga III

M. Bernasconi, G. L. Chiarotti, and E. Tosatti

Phys. Rev. Lett. 70, 3295 (1993) - Published 24 May, 1993

Theory of correlated hops in surface diffusion

Eli Pollak, Joel Bader, B. J. Berne, and Peter Talkner

Phys. Rev. Lett. 70, 3299 (1993) - Published 24 May, 1993

Condensed Matter: Electronic Properties, Etc.

Exact resonating-valence-bond ground state and possibility of superconductivity in repulsive Hubbard models

Hal Tasaki

Phys. Rev. Lett. 70, 3303 (1993) - Published 24 May, 1993

Instantaneous frequency dynamics of coherent wave mixing in semiconductor quantum wells

J.-Y. Bigot, M.-A. Mycek, S. Weiss, R. G. Ulbrich, and D. S. Chemla

Phys. Rev. Lett. 70, 3307 (1993) - Published 24 May, 1993

Electrical resistivity of ${Ni}_{0.8}$ ${Mo}_{0.2}$ : Explanation of anomalous behavior in short-range ordered alloys

D. M. C. Nicholson and R. H. Brown

Phys. Rev. Lett. 70, 3311 (1993) - Published 24 May, 1993

Anyon excitons

Emmanuel I. Rashba and Michael E. Portnoi

Phys. Rev. Lett. 70, 3315 (1993) - Published 24 May, 1993

Coherent submillimeter-wave emission from Bloch oscillations in a semiconductor superlattice

Christian Waschke, Hartmut G. Roskos, Ralf Schwedler, Karl Leo, Heinrich Kurz, and Klaus Köhler

Phys. Rev. Lett. 70, 3319 (1993) - Published 24 May, 1993

Giant magnetic moments in 4d clusters

B. V. Reddy, S. N. Khanna, and B. I. Dunlap

Phys. Rev. Lett. 70, 3323 (1993) - Published 24 May, 1993

Noise suppression in semiconductor p-i-n junctions: Transition from macroscopic squeezing to mesoscopic Coulomb blockade of electron emission processes

A. Imamog¯lu and Y. Yamamoto

Phys. Rev. Lett. 70, 3327 (1993) - Published 24 May, 1993

Scanning Tunneling Microscopy of Coexisting 2D Crystalline and 1D Stacking-Disordered Phases at the Chiral-Liquid-Crystal-Graphite Interface

Daniel C. Parks, Noel A. Clark, David M. Walba, and Paul D. Beale

Phys. Rev. Lett. 70, 3359 (1993) - Published 24 May, 1993

Volume 70, Issue 21

LETTERS

General Physics

Elementary Particles and Fields

Nuclear Physics

Atomic, Molecular, and Optical Physics

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Plasma and Beam Physics

Condensed Matter: Structure, Etc.

Condensed Matter: Electronic Properties, Etc.

ERRATA