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Physical Review Letters

Volume 70, Issue 10

8 March 1993

Browse Issues:

LETTERS

Gravitation and Astrophysics

Quark matter droplets in neutron stars

H. Heiselberg, C. J. Pethick, and E. F. Staubo

Phys. Rev. Lett. 70, 1355 (1993) - Published 8 March, 1993

Elementary Particles and Fields

Operator algebra in Chern-Simons theory on a torus

Choon-Lin Ho and Yutaka Hosotani

Phys. Rev. Lett. 70, 1360 (1993) - Published 8 March, 1993

CP violation in semileptonic top quark decays in the Weinberg model

D. Atwood, G. Eilam, A. Soni, R. R. Mendel, and R. Migneron

Phys. Rev. Lett. 70, 1364 (1993) - Published 8 March, 1993

Implications of $b \to s γ$ Decay Measurements in Testing the Higgs Sector of the Minimum Supersymmetric Standard Model

V. Barger, M. S. Berger, and R. J. N. Phillips

Phys. Rev. Lett. 70, 1368 (1993) - Published 8 March, 1993

QCD corrections to Higgs-boson production at proton-proton colliders

D. Graudenz, M. Spira, and P. M. Zerwas

Phys. Rev. Lett. 70, 1372 (1993) - Published 8 March, 1993

Comparison of jet production in p¯p collisions at √s =546 and 1800 GeV

F. Abe et al.

Phys. Rev. Lett. 70, 1376 (1993) - Published 8 March, 1993

Measurement of the mass and lifetime of the $Ξ_{c}^{+}$

P. L. Frabetti et al.

Phys. Rev. Lett. 70, 1381 (1993) - Published 8 March, 1993

Nuclear Physics

Structure of exotic neutron-rich nuclei

Takaharu Otsuka, Nobuhisa Fukunishi, and Hiroyuki Sagawa

Phys. Rev. Lett. 70, 1385 (1993) - Published 8 March, 1993

Two-pole structure of the 3/ $2^{+}$ resonance of ${}^{5}{He}$ in a dynamical microscopic model

A. Csótó, R. G. Lovas, and A. T. Kruppa

Phys. Rev. Lett. 70, 1389 (1993) - Published 8 March, 1993

Azimuthal asymmetries of particles emitted in relativistic heavy-ion collisions

T. Abbott et al.

Phys. Rev. Lett. 70, 1393 (1993) - Published 8 March, 1993

Atomic, Molecular, and Optical Physics

Measurement of the positronium $1^{3}$ $S_{1}$ - $2^{3}$ $S_{1}$ interval by continuous-wave two-photon excitation

M. S. Fee, A. P. Mills, Jr., S. Chu, E. D. Shaw, K. Danzmann, R. J. Chichester, and D. M. Zuckerman

Phys. Rev. Lett. 70, 1397 (1993) - Published 8 March, 1993

Nonlinear optics of Bessel beams

T. Wulle and S. Herminghaus

Phys. Rev. Lett. 70, 1401 (1993) - Published 8 March, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Semiclassical construction of chaotic eigenstates

Steven Tomsovic and Eric J. Heller

Phys. Rev. Lett. 70, 1405 (1993) - Published 8 March, 1993

Scattering by a one-dimensional rough surface, and surface profile reconstruction by confocal imaging

C. J. R. Sheppard, T. J. Connolly, and Min Gu

Phys. Rev. Lett. 70, 1409 (1993) - Published 8 March, 1993

QED-vacuum confinement of inelastic quantum scattering at optical frequencies: A new perspective in Raman spectroscopy

F. Cairo, F. De Martini, and D. Murra

Phys. Rev. Lett. 70, 1413 (1993) - Published 8 March, 1993

Large enhancements in nonlinear generation by external electromagnetic fields

G. S. Agarwal and Surya P. Tewari

Phys. Rev. Lett. 70, 1417 (1993) - Published 8 March, 1993

Near dipole-dipole effects in lasing without inversion: An enhancement of gain and absorptionless index of refraction

Jonathan P. Dowling and Charles M. Bowden

Phys. Rev. Lett. 70, 1421 (1993) - Published 8 March, 1993

Dynamic characteristics of a subcritical bifurcation with inversion symmetry

S. T. Vohra and F. Bucholtz

Phys. Rev. Lett. 70, 1425 (1993) - Published 8 March, 1993

Drift instability and second harmonic generation in a one-dimensional pattern-forming system

Innocent Mutabazi and C. David Andereck

Phys. Rev. Lett. 70, 1429 (1993) - Published 8 March, 1993

Plasma and Beam Physics

Free-electron lasing without inversion by interference of momentum states

G. Kurizki, M. O. Scully, and C. Keitel

Phys. Rev. Lett. 70, 1433 (1993) - Published 8 March, 1993

Condensed Matter: Structure, Etc.

Scanning-tunneling-microscope tip-induced migration of vacancies on GaP(110)

Ph. Ebert, M. G. Lagally, and K. Urban

Phys. Rev. Lett. 70, 1437 (1993) - Published 8 March, 1993

Direct observation of surface chemical order by scanning tunneling microscopy

M. Schmid, H. Stadler, and P. Varga

Phys. Rev. Lett. 70, 1441 (1993) - Published 8 March, 1993

Curvature elasticity of smectic-A textures with virtual surface singularities

J. B. Fournier

Phys. Rev. Lett. 70, 1445 (1993) - Published 8 March, 1993

Shear-induced isotropic-to-lamellar transition

Kurt A. Koppi, Matthew Tirrell, and Frank S. Bates

Phys. Rev. Lett. 70, 1449 (1993) - Published 8 March, 1993

Wetting properties of thin liquid polyethylene propylene films

W. Zhao, M. H. Rafailovich, J. Sokolov, L. J. Fetters, R. Plano, M. K. Sanyal, S. K. Sinha, and B. B. Sauer

Phys. Rev. Lett. 70, 1453 (1993) - Published 8 March, 1993

Superconductivity-induced phonon softening in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7}$ observed by inelastic neutron scattering

N. Pyka, W. Reichardt, L. Pintschovius, G. Engel, J. Rossat-Mignod, and J. Y. Henry

Phys. Rev. Lett. 70, 1457 (1993) - Published 8 March, 1993

Reaction kinetics of diffusing particles injected into a d-dimensional reactive substrate

H. Larralde, Y. Lereah, P. Trunfio, J. Dror, S. Havlin, R. Rosenbaum, and H. E. Stanley

Phys. Rev. Lett. 70, 1461 (1993) - Published 8 March, 1993

Critical behavior of the pair contact process

Iwan Jensen

Phys. Rev. Lett. 70, 1465 (1993) - Published 8 March, 1993

Evidences of transitory metastable phases in refractory metals solidified from highly undercooled liquids in a drop tube

L. Cortella, B. Vinet, P. J. Desré, A. Pasturel, A. T. Paxton, and M. van Schilfgaarde

Phys. Rev. Lett. 70, 1469 (1993) - Published 8 March, 1993

Correlated Ostwald ripening in two dimensions

Oleg Krichevsky and Joel Stavans

Phys. Rev. Lett. 70, 1473 (1993) - Published 8 March, 1993

Dynamics of simultaneous ordering and phase separation and effect of long-range Coulomb interactions

L. Q. Chen and A. G. Khachaturyan

Phys. Rev. Lett. 70, 1477 (1993) - Published 8 March, 1993

Melting pressure of solid ${}^{3}{He}$ through the magnetic-ordering transitions

J. S. Xia, W. Ni, and E. D. Adams

Phys. Rev. Lett. 70, 1481 (1993) - Published 8 March, 1993

Saddle-splay modulus of the AOT monolayer in the AOT-brine-oil system

H. Kellay, J. Meunier, and B. P. Binks

Phys. Rev. Lett. 70, 1485 (1993) - Published 8 March, 1993

Pt(111) reconstruction induced by enhanced Pt gas-phase chemical potential

Michael Bott, Michael Hohage, Thomas Michely, and George Comsa

Phys. Rev. Lett. 70, 1489 (1993) - Published 8 March, 1993

Mg on Pd(111): The formation of local order observed by photoelectron diffraction

A. Fischer, R. Fasel, J. Osterwalder, A. Krozer, and L. Schlapbach

Phys. Rev. Lett. 70, 1493 (1993) - Published 8 March, 1993

Condensed Matter: Electronic Properties, Etc.

Optical and magnetic signatures of localized excitations in pernigraniline: Role of neutral solitons

W. P. Su and A. J. Epstein

Phys. Rev. Lett. 70, 1497 (1993) - Published 8 March, 1993

Transitions between the quantum Hall states and insulators induced by periodic potentials

Xiao-Gang Wen and Yong-Shi Wu

Phys. Rev. Lett. 70, 1501 (1993) - Published 8 March, 1993

Stability of polarons in conducting polymers

H. A. Mizes and E. M. Conwell

Phys. Rev. Lett. 70, 1505 (1993) - Published 8 March, 1993

Persistent currents in an interacting 1D disordered ring: Manifestations of the Mott-Hubbard transition

Michael Abraham and Richard Berkovits

Phys. Rev. Lett. 70, 1509 (1993) - Published 8 March, 1993

Microscopic theory of periodic conductance resonances in narrow channels

N. F. Johnson and M. C. Payne

Phys. Rev. Lett. 70, 1513 (1993) - Published 8 March, 1993

Single electron tunneling from bound states on the surface of liquid helium

Gordon F. Saville, John M. Goodkind, and P. M. Platzman

Phys. Rev. Lett. 70, 1517 (1993) - Published 8 March, 1993

Critical-current fluctuations and flux-flow noise in type-II superconductors

B. Plaçais, P. Mathieu, and Y. Simon

Phys. Rev. Lett. 70, 1521 (1993) - Published 8 March, 1993

Thermally activated coherent vortex motion in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$ thin film microbridges

M. J. M. E. de Nivelle, G. J. Gerritsma, and H. Rogalla

Phys. Rev. Lett. 70, 1525 (1993) - Published 8 March, 1993

Quasiparticle decay effects in the superconducting density of states: Evidence for d-wave pairing in the cuprates

D. Coffey and L. Coffey

Phys. Rev. Lett. 70, 1529 (1993) - Published 8 March, 1993

Interbilayer charge dynamics in ${YBa}_{2}$ ${Cu}_{3}$ $O_{6 + x}$

S. L. Cooper, P. Nyhus, D. Reznik, M. V. Klein, W. C. Lee, D. M. Ginsberg, B. W. Veal, A. P. Paulikas, and B. Dabrowski

Phys. Rev. Lett. 70, 1533 (1993) - Published 8 March, 1993

Three-dimensional momentum density of magnetic electrons in ferromagnetic iron

Yoshikazu Tanaka, Nobuhiko Sakai, Yasunori Kubo, and Hiroshi Kawata

Phys. Rev. Lett. 70, 1537 (1993) - Published 8 March, 1993

Dissipation by nuclear spins in macroscopic magnetization tunneling

Anupam Garg

Phys. Rev. Lett. 70, 1541 (1993) - Published 8 March, 1993

Theory of photoluminescence from the Wigner crystal in a strong magnetic field

H. A. Fertig, D. Z. Liu, and S. Das Sarma

Phys. Rev. Lett. 70, 1545 (1993) - Published 8 March, 1993

X-ray magnetic dichroism of antiferromagnet ${Fe}_{2}$ $O_{3}$ : The orientation of magnetic moments observed by Fe 2p x-ray absorption spectroscopy

Pieter Kuiper, Barry G. Searle, Petra Rudolf, L. H. Tjeng, and C. T. Chen

Phys. Rev. Lett. 70, 1549 (1993) - Published 8 March, 1993

Anomalously large gap anisotropy in the a-b plane of ${Bi}_{2}$ ${Sr}_{2}$ ${CaCu}_{2}$ $O_{8 + δ}$

Z.-X. Shen, D. S. Dessau, B. O. Wells, D. M. King, W. E. Spicer, A. J. Arko, D. Marshall, L. W. Lombardo, A. Kapitulnik, P. Dickinson, S. Doniach, J. DiCarlo, T. Loeser, and C. H. Park

Phys. Rev. Lett. 70, 1553 (1993) - Published 8 March, 1993

Cross-Disciplinary Physics

Dynamical criterion for freezing of colloidal liquids

Hartmut Löwen, Thomas Palberg, and Rolf Simon

Phys. Rev. Lett. 70, 1557 (1993) - Published 8 March, 1993

COMMENTS

Comment on ‘‘Packet spreading, stabilization, and localization in superstrong fields’’

T. Katsouleas and W. B. Mori

Phys. Rev. Lett. 70, 1561 (1993) - Published 8 March, 1993

Grobe and Fedorov reply

R. Grobe and M. V. Fedorov

Phys. Rev. Lett. 70, 1562 (1993) - Published 8 March, 1993

Superfluid-insulator transition in the Bogoliubov model

A. Gold

Phys. Rev. Lett. 70, 1563 (1993) - Published 8 March, 1993

Huang and Meng reply

Kerson Huang and Hsin-Fei Meng

Phys. Rev. Lett. 70, 1564 (1993) - Published 8 March, 1993

ERRATA

Origin of the Band Gap in the Negative Charge-Transfer-Energy Compound NaCu $O_{2}$

T. Mizokawa, H. Namatame, A. Fujimori, K. Akeyama, H. Kondoh, H. Kuroda, and N. Kosugi

Phys. Rev. Lett. 70, 1565 (1993) - Published 8 March, 1993

Ginzburg-Landau Theory of the Phase Diagram of Superconducting U ${Pt}_{3}$

Anupam Garg

Phys. Rev. Lett. 70, 1565 (1993) - Published 8 March, 1993