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Physical Review Letters

Volume 70, Issue 19

10 May 1993

Browse Issues:

LETTERS

General Physics

Optimal monitoring of position in nonlinear quantum systems

Michael B. Mensky, Roberto Onofrio, and Carlo Presilla

Phys. Rev. Lett. 70, 2825 (1993) - Published 10 May, 1993

Gravitation and Astrophysics

Hyperboloidal Cauchy data for vacuum Einstein equations and obstructions to smoothness of null infinity

Lars Andersson and Piotr T. Chruściel

Phys. Rev. Lett. 70, 2829 (1993) - Published 10 May, 1993

Baryon asymmetry of the Universe in the minimal standard model

Glennys R. Farrar and M. E. Shaposhnikov

Phys. Rev. Lett. 70, 2833 (1993) - Published 10 May, 1993

Black strings and p-branes are unstable

Ruth Gregory and Raymond Laflamme

Phys. Rev. Lett. 70, 2837 (1993) - Published 10 May, 1993

Elementary Particles and Fields

Conformally invariant off-shell string physics

Robert C. Myers and Vipul Periwal

Phys. Rev. Lett. 70, 2841 (1993) - Published 10 May, 1993

Predictive neutrino spectrum in minimal SO(10) grand unification

K. S. Babu and R. N. Mohapatra

Phys. Rev. Lett. 70, 2845 (1993) - Published 10 May, 1993

Hadron mass predictions of the valence approximation to lattice QCD

F. Butler, H. Chen, J. Sexton, A. Vaccarino, and D. Weingarten

Phys. Rev. Lett. 70, 2849 (1993) - Published 10 May, 1993

Nuclear Physics

Investigation of the Majoron-accompanied double-beta decay mode of ${}^{76}{Ge}$

M. Beck, F. Bensch, J. Bockholt, G. Heusser, M. Hirsch, H. V. Klapdor-Kleingrothaus, B. Maier, F. Petry, A. Piepke, H. Strecker, M. Völlinger, K. Zuber, A. Balysh, S. T. Belyaev, A. Demehin, A. Gurov, I. Kondratenko, V. I. Lebedev, and A. Müller

Phys. Rev. Lett. 70, 2853 (1993) - Published 10 May, 1993

Improved limits on scalar weak couplings

E. G. Adelberger

Phys. Rev. Lett. 70, 2856 (1993) - Published 10 May, 1993

Suppression of dilepton production at finite baryon density

A. Dumitru, D. H. Rischke, Th. Schönfeld, L. Winckelmann, H. Stöcker, and W. Greiner

Phys. Rev. Lett. 70, 2860 (1993) - Published 10 May, 1993

Total cross section for p+d→p+d+ $π^{0}$ close to threshold

H. Rohdjess, W. Scobel, H. O. Meyer, P. V. Pancella, S. F. Pate, M. A. Pickar, R. E. Pollock, B. v. Przewoski, T. Rinckel, P. P. Singh, F. Sperisen, and L. Sprute

Phys. Rev. Lett. 70, 2864 (1993) - Published 10 May, 1993

Measurement of the $R_{L T}$ , $R_{L}$ , and $R_{T}$ response functions for the ${}^{4}{He}$ (e,e’p $)^{3}$ H reaction at large missing momentum

M. B. Epstein, K. A. Aniol, D. J. Margaziotis, B. Jiang, H. Baghaei, W. Bertozzi, W. Boeglin, L. Weinstein, S. Penn, J. Morrison, R. W. Lourie, J. M. Finn, C. F. Perdrisat, V. Punjabi, P. E. Ulmer, C. C. Chang, P. Boberg, John Calarco, and J. M. Laget

Phys. Rev. Lett. 70, 2868 (1993) - Published 10 May, 1993

Isoscalar E2 strength in ${}^{12}C$ from the (e,e’α) reaction

D. DeAngelis, J. R. Calarco, J. E. Wise, H. J. Emrich, R. Neuhausen, and H. Weyand

Phys. Rev. Lett. 70, 2872 (1993) - Published 10 May, 1993

High-spin states in heavy nuclei with the density dependent Gogny force

J. L. Egido and L. M. Robledo

Phys. Rev. Lett. 70, 2876 (1993) - Published 10 May, 1993

First identification of dipole excitations to a $2^{+}$ ⊗ $3^{-}$ ⊗particle multiplet in an odd-A nucleus

A. Zilges, R.-D. Herzberg, P. von Brentano, F. Dönau, R. D. Heil, R. V. Jolos, U. Kneissl, J. Margraf, H. H. Pitz, and C. Wesselborg

Phys. Rev. Lett. 70, 2880 (1993) - Published 10 May, 1993

Atomic, Molecular, and Optical Physics

Observation of wave packet motion along quasi-Landau orbits

J. A. Yeazell, G. Raithel, L. Marmet, H. Held, and H. Walther

Phys. Rev. Lett. 70, 2884 (1993) - Published 10 May, 1993

Tritium–helium-3 mass difference using the Penning trap mass spectroscopy

R. S Van Dyck, Jr., D. L. Farnham, and P. B. Schwinberg

Phys. Rev. Lett. 70, 2888 (1993) - Published 10 May, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Anomalous diffusion in the Kuramoto-Sivashinsky equation

Tomas Bohr and Arcady Pikovsky

Phys. Rev. Lett. 70, 2892 (1993) - Published 10 May, 1993

Plasma and Beam Physics

Methods for conditioning electron beams in free-electron lasers

Phillip Sprangle, B. Hafizi, Glenn Joyce, and Philip Serafim

Phys. Rev. Lett. 70, 2896 (1993) - Published 10 May, 1993

Condensed Matter: Structure, Etc.

X-ray reflectivity and scanning-tunneling-microscope study of kinetic roughening of sputter-deposited gold films during growth

H. You, R. P. Chiarello, H. K. Kim, and K. G. Vandervoort

Phys. Rev. Lett. 70, 2900 (1993) - Published 10 May, 1993

Analysis of reflection high energy electron diffraction azimuthal plots

Z. Mitura and P. A. Maksym

Phys. Rev. Lett. 70, 2904 (1993) - Published 10 May, 1993

Quantum effects on the herringbone ordering of $N_{2}$ on graphite

D. Marx, O. Opitz, P. Nielaba, and K. Binder

Phys. Rev. Lett. 70, 2908 (1993) - Published 10 May, 1993

Equilibrium shapes of smectic-A phase grown from isotropic phase

Hiroyoshi Naito, Masahiro Okuda, and Ou-Yang Zhong-can

Phys. Rev. Lett. 70, 2912 (1993) - Published 10 May, 1993

Monte Carlo simulation of a disclination core in nematic solutions of rodlike molecules

Steven D. Hudson and Ronald G. Larson

Phys. Rev. Lett. 70, 2916 (1993) - Published 10 May, 1993

New model for icosahedral carbon clusters and the structure of collapsed fullerite

Linda Zeger and Efthimios Kaxiras

Phys. Rev. Lett. 70, 2920 (1993) - Published 10 May, 1993

Formation of a dodecagonal quasicrystalline phase in a simple monatomic liquid

Mikhail Dzugutov

Phys. Rev. Lett. 70, 2924 (1993) - Published 10 May, 1993

Free energy and entropy of diffusion by ab initio molecular dynamics: Alkali ions in silicon

V. Milman, M. C. Payne, V. Heine, R. J. Needs, J. S. Lin, and M. H. Lee

Phys. Rev. Lett. 70, 2928 (1993) - Published 10 May, 1993

Condensed Matter: Electronic Properties, Etc.

Localization transition in a random network of metallic wires: A model for highly conducting polymers

V. N. Prigodin and K. B. Efetov

Phys. Rev. Lett. 70, 2932 (1993) - Published 10 May, 1993

Two-parameter scaling in the Wigner ensemble

Mario Feingold, Alessandro Gioletta, Felix M. Izrailev, and Luca Molinari

Phys. Rev. Lett. 70, 2936 (1993) - Published 10 May, 1993

Parity-induced suppression of the Coulomb blockade of Josephson tunneling

K. A. Matveev, M. Gisselfält, L. I. Glazman, M. Jonson, and R. I. Shekhter

Phys. Rev. Lett. 70, 2940 (1993) - Published 10 May, 1993

Experimental evidence for new particles in the fractional quantum Hall effect

R. R. Du, H. L. Stormer, D. C. Tsui, L. N. Pfeiffer, and K. W. West

Phys. Rev. Lett. 70, 2944 (1993) - Published 10 May, 1993

Coexistence of two flux-line species in superconducting slabs

L. L. Daemen, L. J. Campbell, A. Yu. Simonov, and V. G. Kogan

Phys. Rev. Lett. 70, 2948 (1993) - Published 10 May, 1993

Electron holography observation of vortex lattices in a superconductor

J. E. Bonevich, K. Harada, T. Matsuda, H. Kasai, T. Yoshida, G. Pozzi, and A. Tonomura

Phys. Rev. Lett. 70, 2952 (1993) - Published 10 May, 1993

Evidence for the role of fluxoids in enhancing NMR spin-lattice relaxation and implications for intrinsic pinning of the flux lattice in organic superconductors

S. M. De Soto, C. P. Slichter, H. H. Wang, U. Geiser, and J. M. Williams

Phys. Rev. Lett. 70, 2956 (1993) - Published 10 May, 1993

Possible realization of odd-frequency pairing in heavy fermion compounds

P. Coleman, E. Miranda, and A. Tsvelik

Phys. Rev. Lett. 70, 2960 (1993) - Published 10 May, 1993

Cross-Disciplinary Physics

Domain-induced budding of vesicles

Frank Jülicher and Reinhard Lipowsky

Phys. Rev. Lett. 70, 2964 (1993) - Published 10 May, 1993

Finite temperature error-correcting codes

Pál Ruján

Phys. Rev. Lett. 70, 2968 (1993) - Published 10 May, 1993

COMMENTS

Comment on ‘‘Early stages of nucleus-nucleus collisions: A microscopic calculation of the initial number of degrees of freedom’’

Ma Yugang, Shen Wenqing, Feng Jun, and Ma Yuqiang

Phys. Rev. Lett. 70, 2972 (1993) - Published 10 May, 1993

Comment on ‘‘Elastic string in a random potential’’

Heiko Leschhorn and Lei-Han Tang

Phys. Rev. Lett. 70, 2973 (1993) - Published 10 May, 1993

ERRATA

Path Integral Monte Carlo Calculations of Orientational Ordering in Compressed $H_{2}$

K. J. Runge, Michael P. Surh, C. Mailhiot, and E. L. Pollock

Phys. Rev. Lett. 70, 2974 (1993) - Published 10 May, 1993