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Physical Review Letters

Volume 71, Issue 16

18 October 1993

Browse Issues:

LETTERS

General Physics

Natural boundaries for Hamiltonian maps and the genesis of the Siegel disk

L. Billi, G. Turchetti, and Ruifeng Xie

Phys. Rev. Lett. 71, 2513 (1993) - Published 18 October, 1993

Gravitation and Astrophysics

Must time-machine construction violate the weak energy condition?

Amos Ori

Phys. Rev. Lett. 71, 2517 (1993) - Published 18 October, 1993

Angular momentum surface density of the Kerr metric

L. Fernández-Jambrina and F. J. Chinea

Phys. Rev. Lett. 71, 2521 (1993) - Published 18 October, 1993

New limit on the rate-density of evaporating black holes

D. E. Alexandreas et al.

Phys. Rev. Lett. 71, 2524 (1993) - Published 18 October, 1993

Elementary Particles and Fields

Measurement of $α_{s}$ from jet rates at the $Z^{0}$ resonance

K. Abe et al.

Phys. Rev. Lett. 71, 2528 (1993) - Published 18 October, 1993

Does J/ψ→ $π^{+}$ $π^{-}$ fix the electromagnetic form factor $F_{π}$ (t) at t= $M_{J / ψ}^{2}$ ?

J. Milana, S. Nussinov, and M. G. Olsson

Phys. Rev. Lett. 71, 2533 (1993) - Published 18 October, 1993

Inclusive $χ_{c}$ and b-quark production in p¯p collisions at √s =1.8 TeV

F. Abe et al.

Phys. Rev. Lett. 71, 2537 (1993) - Published 18 October, 1993

Search for quark compositeness, axigluons, and heavy particles using the dijet invariant mass spectrum observed in pp¯ collisions

F. Abe et al.

Phys. Rev. Lett. 71, 2542 (1993) - Published 18 October, 1993

Novel quark fragmentation functions and the nucleon’s transversity distribution

R. L. Jaffe and Xiangdong Ji

Phys. Rev. Lett. 71, 2547 (1993) - Published 18 October, 1993

Nuclear Physics

Search for color van der Waals force in ${}^{208}{Pb}$ $+^{208}$ Pb Mott scattering

A. C. C. Villari, W. Mittig, A. Lépine-Szily, R. Lichtenthäler Filho, G. Auger, L. Bianchi, R. Beunard, J. M. Casandjian, J. L. Ciffre, A. Cunsolo, A. Foti, L. Gaudard, C. L. Lima, E. Plagnol, Y. Schutz, R. H. Siemssen, and J. P. Wieleczko

Phys. Rev. Lett. 71, 2551 (1993) - Published 18 October, 1993

Isoscalar meson exchange currents and the deuteron form factors

Hiroshi Ito and Franz Gross

Phys. Rev. Lett. 71, 2555 (1993) - Published 18 October, 1993

Deexcitation from superdeformed bands in ${}^{151}{Tb}$ and neighboring A∼150 nuclei

D. Curien, G. de France, C. W. Beausang, F. A. Beck, T. Byrski, S. Clarke, P. Dagnall, G. Duchêne, S. Flibotte, S. Forbes, P. D. Forsyth, B. Haas, M. A. Joyce, B. Kharraja, B. M. Nyakó, C. Schück, J. Simpson, C. Theisen, P. J. Twin, J. P. Vivien, and L. Zolnai

Phys. Rev. Lett. 71, 2559 (1993) - Published 18 October, 1993

Simultaneous microscopic description of ${}^{16}O$ (γ,n) and ${}^{16}O$ (γ,p) including Δ degrees of freedom

Thomas B. Bright and Stephen R. Cotanch

Phys. Rev. Lett. 71, 2563 (1993) - Published 18 October, 1993

Fission time scales from anisotropic in-plane distributions in ${}^{100}{Mo}$ $+^{100}$ Mo and ${}^{120}{Sn}$ $+^{120}$ Sn collisions around 20A MeV

G. Casini, P. G. Bizzeti, P. R. Maurenzig, A. Olmi, A. A. Stefanini, J. P. Wessels, R. J. Charity, R. Freifelder, A. Gobbi, N. Herrmann, K. D. Hildenbrand, and H. Stelzer

Phys. Rev. Lett. 71, 2567 (1993) - Published 18 October, 1993

$K^{+}$ -nucleus quasielastic scattering

C. M. Kormanyos, R. J. Peterson, J. R. Shepard, J. E. Wise, S. Bart, R. E. Chrien, L. Lee, B. L. Clausen, J. Piekarewicz, M. B. Barakat, R. A. Michael, and T. Kishimoto

Phys. Rev. Lett. 71, 2571 (1993) - Published 18 October, 1993

Atomic, Molecular, and Optical Physics

Ramsey interference in strongly driven Rydberg systems

R. R. Jones, C. S. Raman, D. W. Schumacher, and P. H. Bucksbaum

Phys. Rev. Lett. 71, 2575 (1993) - Published 18 October, 1993

Measurements of the probability distribution of the operationally defined quantum phase difference

J. W. Noh, A. Fougères, and L. Mandel

Phys. Rev. Lett. 71, 2579 (1993) - Published 18 October, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Decay of vorticity in homogeneous turbulence

Michael R. Smith, Russell J. Donnelly, Nigel Goldenfeld, and W. F. Vinen

Phys. Rev. Lett. 71, 2583 (1993) - Published 18 October, 1993

Plasma and Beam Physics

Infrared subpicosecond laser pulses with a free-electron laser

F. Glotin, R. Chaput, D. Jaroszynski, R. Prazeres, and J.-M. Ortega

Phys. Rev. Lett. 71, 2587 (1993) - Published 18 October, 1993

Condensed Matter: Structure, Etc.

Diffusion in microstructured block copolymers: Chain localization and entanglements

M. C. Dalvi, C. E. Eastman, and T. P. Lodge

Phys. Rev. Lett. 71, 2591 (1993) - Published 18 October, 1993

Randomly constrained orientational order in porous glass

G. S. Iannacchione, G. P. Crawford, S. Žumer, J. W. Doane, and D. Finotello

Phys. Rev. Lett. 71, 2595 (1993) - Published 18 October, 1993

Crystallization phase transitions and phase diagram of Langmuir monolayers

V. M. Kaganer and E. B. Loginov

Phys. Rev. Lett. 71, 2599 (1993) - Published 18 October, 1993

Crossover from Debye to non-Debye dynamical behavior of the α relaxation observed by quasielastic neutron scattering in a glass-forming polymer

J. Colmenero, A. Arbe, and A. Alegría

Phys. Rev. Lett. 71, 2603 (1993) - Published 18 October, 1993

Prewetting in a binary liquid mixture

H. Kellay, D. Bonn, and J. Meunier

Phys. Rev. Lett. 71, 2607 (1993) - Published 18 October, 1993

Chemical state resolved structure analysis using near edge x-ray standing waves

Munehiro Sugiyama, Satoshi Maeyama, and Masaharu Oshima

Phys. Rev. Lett. 71, 2611 (1993) - Published 18 October, 1993

H diffusion on Ni(100): A quantum Monte Carlo simulation

Thomas R. Mattsson, Urban Engberg, and Göran Wahnström

Phys. Rev. Lett. 71, 2615 (1993) - Published 18 October, 1993

Condensed Matter: Electronic Properties, Etc.

Effective medium theory for the normal state in orientationally disordered fullerides

M. S. Deshpande, S. C. Erwin, S. Hong, and E. J. Mele

Phys. Rev. Lett. 71, 2619 (1993) - Published 18 October, 1993

Finite translations in time and energy

J. Zak

Phys. Rev. Lett. 71, 2623 (1993) - Published 18 October, 1993

Electron energy spectrum of ice

V. F. Petrenko and I. A. Ryzhkin

Phys. Rev. Lett. 71, 2626 (1993) - Published 18 October, 1993

Nature of the order parameter in the heavy-fermion system ${URu}_{2}$ ${Si}_{2}$

M. B. Walker, W. J. L. Buyers, Z. Tun, W. Que, A. A. Menovsky, and J. D. Garrett

Phys. Rev. Lett. 71, 2630 (1993) - Published 18 October, 1993

Possible solution of the conductivity exponent puzzle for the metal-insulator transition in heavily doped uncompensated semiconductors

H. Stupp, M. Hornung, M. Lakner, O. Madel, and H. v. Löhneysen

Phys. Rev. Lett. 71, 2634 (1993) - Published 18 October, 1993

Microwave frequency dependence of integer quantum Hall effect: Evidence for finite-frequency scaling

L. W. Engel, D. Shahar, Ç. Kurdak, and D. C. Tsui

Phys. Rev. Lett. 71, 2638 (1993) - Published 18 October, 1993

Frequency dependence of the vortex-state resistivity in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$

Hui Wu, N. P. Ong, and Y. Q. Li

Phys. Rev. Lett. 71, 2642 (1993) - Published 18 October, 1993

Nucleation and growth of a flux instability in superconducting ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - x}$ films

P. Leiderer, J. Boneberg, P. Brüll, V. Bujok, and S. Herminghaus

Phys. Rev. Lett. 71, 2646 (1993) - Published 18 October, 1993

Comparison of nuclear spin relaxation rates at Y and O sites in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - y}$

M. Takigawa, W. L. Hults, and J. L. Smith

Phys. Rev. Lett. 71, 2650 (1993) - Published 18 October, 1993

Electronic excitations in liquid helium: The evolution from small clusters to large droplets

M. Joppien, R. Karnbach, and T. Möller

Phys. Rev. Lett. 71, 2654 (1993) - Published 18 October, 1993

Magnetic mirage in reflection of light from imperfect medium

A. L. Shelankov

Phys. Rev. Lett. 71, 2658 (1993) - Published 18 October, 1993

Effect of adsorbates on second-harmonic generation at simple metal surfaces

M. Kuchler and F. Rebentrost

Phys. Rev. Lett. 71, 2662 (1993) - Published 18 October, 1993

Cross-Disciplinary Physics

Transit time isolation of a high power microwave amplifier

E. Kuang, T. J. Davis, G. Kerslick, J. A. Nation, and L. Schächter

Phys. Rev. Lett. 71, 2666 (1993) - Published 18 October, 1993

Steady-state drainage of an aqueous foam

D. Weaire, N. Pittet, S. Hutzler, and D. Pardal

Phys. Rev. Lett. 71, 2670 (1993) - Published 18 October, 1993

COMMENTS

Comment on ‘‘Elastic instability in α-quartz under pressure’’

S. L. Chaplot and S. K. Sikka

Phys. Rev. Lett. 71, 2674 (1993) - Published 18 October, 1993

Binggeli and Chelikowsky reply

N. Binggeli and J. R. Chelikowsky

Phys. Rev. Lett. 71, 2675 (1993) - Published 18 October, 1993

Comment on ‘‘Evidence for a-b-plane coupling to longitudinal c-axis phonon in high $T_{c}$ superconductors’’

D. van der Marel, J. H. Kim, B. J. Feenstra, and A. Wittlin

Phys. Rev. Lett. 71, 2676 (1993) - Published 18 October, 1993

Reedyk, Timusk, and Basov reply

M. Reedyk, T. Timusk, and D. Basov

Phys. Rev. Lett. 71, 2677 (1993) - Published 18 October, 1993

Comment on ‘‘Quasiparticle charge and the activated conductance of a quantum Hall liquid’’

R. N. Bhatt, N. Read, and B. Huckestein

Phys. Rev. Lett. 71, 2678 (1993) - Published 18 October, 1993

Lee, Kivelson, and Zhang reply

D.-H. Lee, S. A. Kivelson, and S.-C. Zhang

Phys. Rev. Lett. 71, 2679 (1993) - Published 18 October, 1993

ERRATA

Localization in a Random Magnetic Field in 2D

Taishi Sugiyama and Naoto Nagaosa

Phys. Rev. Lett. 71, 2680 (1993) - Published 18 October, 1993

Universal Magnetic Properties of ${La}_{2 - δ} {Sr}_{δ} Cu O_{4}$ at Intermediate Temperatures

Andrey V. Chubukov and Subir Sachdev

Phys. Rev. Lett. 71, 2680 (1993) - Published 18 October, 1993

Gluon Fusion: A Probe of Higgs Sector $CP$ Violation

John F. Gunion, T. C. Yuan, and B. Grza̧dkowski

Phys. Rev. Lett. 71, 2681 (1993) - Published 18 October, 1993