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Physical Review Letters

Volume 76, Issue 16

15 April 1996

Browse Issues:

LETTERS

Cross-Disciplinary Physics

Exactly Solvable Hierarchical Optimization Problem Related to Percolation

Thomas M. Fink and Robin C. Ball

Phys. Rev. Lett. 76, 2827 (1996) - Published 15 April, 1996

General Physics

Impossibility of Measuring the Wave Function of a Single Quantum System

G. M. D'Ariano and H. P. Yuen

Phys. Rev. Lett. 76, 2832 (1996) - Published 15 April, 1996

DNA Molecular Cousin of Schrödinger's Cat: A Curious Example of Quantum Measurement

Dipankar Home and Rajagopal Chattopadhyaya

Phys. Rev. Lett. 76, 2836 (1996) - Published 15 April, 1996

Test of the Symmetrization Postulate for Spin-0 Particles

M. de Angelis, G. Gagliardi, L. Gianfrani, and G. M. Tino

Phys. Rev. Lett. 76, 2840 (1996) - Published 15 April, 1996

Spectroscopic Test of the Symmetrization Postulate for Spin-0 Nuclei

Robert C. Hilborn and Candice L. Yuca

Phys. Rev. Lett. 76, 2844 (1996) - Published 15 April, 1996

Gravitation and Astrophysics

Nucleosynthesis and the Mass of the $τ$ Neutrino

Steen Hannestad and Jes Madsen

Phys. Rev. Lett. 76, 2848 (1996) - Published 15 April, 1996

Elementary Particles and Fields

Search for the Rare Decay $W^{\pm} \to π^{\pm} + γ$

F. Abe et al. (CDF Collaboration)

Phys. Rev. Lett. 76, 2852 (1996) - Published 15 April, 1996

Atomic, Molecular, and Optical Physics

Long Range Potentials for Two $Na (3 p)$ Atoms Including Ionic-Covalent Interaction and Fine Structure: Application to Two-Color Photoassociation Spectroscopy

O. Dulieu, B. Lévy, S. Magnier, F. Masnou-Seeuws, and Ph. Millié

Phys. Rev. Lett. 76, 2858 (1996) - Published 15 April, 1996

Precision Lifetime Measurements on $NaI 3 p {^{2} P}_{1 / 2}$ and $3 p^{2} P_{3 / 2}$ by Beam-Gas-Laser Spectroscopy

U. Volz, M. Majerus, H. Liebel, A. Schmitt, and H. Schmoranzer

Phys. Rev. Lett. 76, 2862 (1996) - Published 15 April, 1996

High Precision Linewidth Measurement of Laser-Cooled Atoms: Resolution of the Na $3 p^{2} P_{3 / 2}$ Lifetime Discrepancy

C. W. Oates, K. R. Vogel, and J. L. Hall

Phys. Rev. Lett. 76, 2866 (1996) - Published 15 April, 1996

Two-Photon Detachment of Negative Ions via Magnetic Dipole Transitions

J. Thøgersen, M. Scheer, L. D. Steele, H. K. Haugen, and W. P. Wijesundera

Phys. Rev. Lett. 76, 2870 (1996) - Published 15 April, 1996

Nonstationary, Nondispersive Wave Packets in a Rydberg Atom

Andrea F. Brunello, T. Uzer, and David Farrelly

Phys. Rev. Lett. 76, 2874 (1996) - Published 15 April, 1996

Anomalous Spectroscopy of ${Li}_{4}^{-}$ Clusters

B. K. Rao, P. Jena, and A. K. Ray

Phys. Rev. Lett. 76, 2878 (1996) - Published 15 April, 1996

Ionization of Hydrogen and Hydrogenic Ions by Antiprotons

D. R. Schultz, P. S. Krstić, C. O. Reinhold, and J. C. Wells

Phys. Rev. Lett. 76, 2882 (1996) - Published 15 April, 1996

Experimental Observation of Laser Control: Electronic Branching in the Photodissociation of N $a_{2}$

A. Shnitman, I. Sofer, I. Golub, A. Yogev, M. Shapiro, Z. Chen, and P. Brumer

Phys. Rev. Lett. 76, 2886 (1996) - Published 15 April, 1996

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Computation of the Arnol'd Web for the Hydrogen Atom in Crossed Electric and Magnetic Fields

Jan von Milczewski, G. H. F. Diercksen, and T. Uzer

Phys. Rev. Lett. 76, 2890 (1996) - Published 15 April, 1996

Wave-Mixing and Vector Phase Conjugation by Polarization-Dependent Saturable Absorption in ${Cr}^{4 +} : Y A G$

M. J. Damzen, S. Camacho-Lopez, and R. P. M. Green

Phys. Rev. Lett. 76, 2894 (1996) - Published 15 April, 1996

Fusion Rules in Turbulent Systems with Flux Equilibrium

Victor L'vov and Itamar Procaccia

Phys. Rev. Lett. 76, 2898 (1996) - Published 15 April, 1996

Interface Pinning and the Dynamics of Capillary Rise in Porous Media

Thomas Delker, David B. Pengra, and Po-zen Wong

Phys. Rev. Lett. 76, 2902 (1996) - Published 15 April, 1996

Condensed Matter: Structure, Etc.

Density Fluctuations in an Electrolyte from Generalized Debye-Hückel Theory

Benjamin P. Lee and Michael E. Fisher

Phys. Rev. Lett. 76, 2906 (1996) - Published 15 April, 1996

Monte Carlo Studies of Helicity Modulus and Heat Capacity of a Coupled XY Model in Two Dimensions

I. M. Jiang, T. Stoebe, and C. C. Huang

Phys. Rev. Lett. 76, 2910 (1996) - Published 15 April, 1996

Random Walks on Bundled Structures

Davide Cassi and Sofia Regina

Phys. Rev. Lett. 76, 2914 (1996) - Published 15 April, 1996

Exact Solution of an Octagonal Random Tiling Model

Jan de Gier and Bernard Nienhuis

Phys. Rev. Lett. 76, 2918 (1996) - Published 15 April, 1996

$^{13}$ C Magic-Angle-Spinning NMR Study of the Electronic Properties of the A $C_{60}$ Polymers $(A = K, R b, C s)$

H. Alloul, V. Brouet, E. Lafontaine, L. Malier, and L. Forro

Phys. Rev. Lett. 76, 2922 (1996) - Published 15 April, 1996

Fundamental Role of Creation and Activation in Radiation-Induced Defect Production in High-Purity Amorphous Si $O_{2}$

V. A. Mashkov, Wm. R. Austin, Lin Zhang, and R. G. Leisure

Phys. Rev. Lett. 76, 2926 (1996) - Published 15 April, 1996

Phase Transition in the Peierls Model and the Possibility of One-Dimensional Melting

Eugene B. Kolomeisky and Joseph P. Straley

Phys. Rev. Lett. 76, 2930 (1996) - Published 15 April, 1996

New High-Pressure Phase of Ice

M. Benoit, M. Bernasconi, P. Focher, and M. Parrinello

Phys. Rev. Lett. 76, 2934 (1996) - Published 15 April, 1996

One-Dimensional Disordered Bosonic Hubbard Model: A Density-Matrix Renormalization Group Study

Ramesh V. Pai, Rahul Pandit, H. R. Krishnamurthy, and S. Ramasesha

Phys. Rev. Lett. 76, 2937 (1996) - Published 15 April, 1996

Local vs Average Behavior on Inhomogeneous Structures: Recurrence on the Average and a Further Extension of Mermin-Wagner Theorem on Graphs

Davide Cassi

Phys. Rev. Lett. 76, 2941 (1996) - Published 15 April, 1996

Nuclear Magnetic Ordering of $^{3}$ He Clusters in Solid $^{4}$ He

R. Schrenk, R. König, and F. Pobell

Phys. Rev. Lett. 76, 2945 (1996) - Published 15 April, 1996

Initial Process of Si Homoepitaxial Growth on Si(001)

Takahiro Yamasaki, Tsuyoshi Uda, and Kiyoyuki Terakura

Phys. Rev. Lett. 76, 2949 (1996) - Published 15 April, 1996

Adsorbate Induced Change of Equilibrium Surface during Crystal Growth: Si on Si(111)/H

Michael Horn-von Hoegen and Anke Golla

Phys. Rev. Lett. 76, 2953 (1996) - Published 15 April, 1996

Condensed Matter: Electronic Properties, Etc.

Physical Nature of Critical Wave Functions in Fibonacci Systems

Enrique Maciá and Francisco Domínguez-Adame

Phys. Rev. Lett. 76, 2957 (1996) - Published 15 April, 1996

Nature of Luminescent Surface States of Semiconductor Nanocrystallites

G. Allan, C. Delerue, and M. Lannoo

Phys. Rev. Lett. 76, 2961 (1996) - Published 15 April, 1996

Enhanced Binding Energy of One-Dimensional Excitons in Quantum Wires

T. Someya, H. Akiyama, and H. Sakaki

Phys. Rev. Lett. 76, 2965 (1996) - Published 15 April, 1996

Fast and Slow Electrons in Liquid Neon

V. Storchak, J. H. Brewer, and G. D. Morris

Phys. Rev. Lett. 76, 2969 (1996) - Published 15 April, 1996

Inverse Bloch Oscillator: Strong Terahertz-Photocurrent Resonances at the Bloch Frequency

K. Unterrainer, B. J. Keay, M. C. Wanke, S. J. Allen, D. Leonard, G. Medeiros-Ribeiro, U. Bhattacharya, and M. J. W. Rodwell

Phys. Rev. Lett. 76, 2973 (1996) - Published 15 April, 1996

Particle-Hole Symmetry and the Bose Glass to Superfluid Transition

Ranjan Mukhopadhyay and Peter B. Weichman

Phys. Rev. Lett. 76, 2977 (1996) - Published 15 April, 1996

Effect of the Coupling to a Superconductor on the Level Statistics of a Metal Grain in a Magnetic Field

K. M. Frahm, P. W. Brouwer, J. A. Melsen, and C. W. J. Beenakker

Phys. Rev. Lett. 76, 2981 (1996) - Published 15 April, 1996

Metastable Filamentary Vortex Flow in Thin Film Superconductors

Niels Grønbech-Jensen, A. R. Bishop, and Daniel Domínguez

Phys. Rev. Lett. 76, 2985 (1996) - Published 15 April, 1996

Nature of Phase Transitions of Superconducting Wire Networks in a Magnetic Field

X. S. Ling, H. J. Lezec, M. J. Higgins, J. S. Tsai, J. Fujita, H. Numata, Y. Nakamura, Y. Ochiai, Chao Tang, P. M. Chaikin, and S. Bhattacharya

Phys. Rev. Lett. 76, 2989 (1996) - Published 15 April, 1996

Pinning Strength Dependence of Mixed-State Hall Effect in YB $a_{2}$ C $u_{3}$ $O_{7}$ Crystals with Columnar Defects

W. N. Kang, D. H. Kim, S. Y. Shim, J. H. Park, T. S. Hahn, S. S. Choi, W. C. Lee, J. D. Hettinger, K. E. Gray, and B. Glagola

Phys. Rev. Lett. 76, 2993 (1996) - Published 15 April, 1996

Evidence of In-Plane Superstructure Formation in Phase-Separated and Staged Single Crystal ${La}_{2} {CuO}_{4 + δ}$

X. Xiong, P. Wochner, S. C. Moss, Y. Cao, K. Koga, and M. Fujita

Phys. Rev. Lett. 76, 2997 (1996) - Published 15 April, 1996

Critical Properties of Random Quantum Potts and Clock Models

T. Senthil and Satya N. Majumdar

Phys. Rev. Lett. 76, 3001 (1996) - Published 15 April, 1996

Fine Structure Splitting in the Optical Spectra of Single GaAs Quantum Dots

D. Gammon, E. S. Snow, B. V. Shanabrook, D. S. Katzer, and D. Park

Phys. Rev. Lett. 76, 3005 (1996) - Published 15 April, 1996

Extended Van Hove Singularity in a Noncuprate Layered Superconductor S $r_{2}$ Ru $O_{4}$

T. Yokoya, A. Chainani, T. Takahashi, H. Katayama-Yoshida, M. Kasai, and Y. Tokura

Phys. Rev. Lett. 76, 3009 (1996) - Published 15 April, 1996

Cross-Disciplinary Physics

Strong Coupling between Diffusive and Elastic Instabilities in Directional Solidification

Isabelle Durand, Klaus Kassner, Chaouqi Misbah, and Heiner Müller-Krumbhaar

Phys. Rev. Lett. 76, 3013 (1996) - Published 15 April, 1996

Anomalous Viscous Loss in Emulsions

Andrea J. Liu, Sriram Ramaswamy, T. G. Mason, Hu Gang, and D. A. Weitz

Phys. Rev. Lett. 76, 3017 (1996) - Published 15 April, 1996

On-line Gibbs Learning

J. W. Kim and H. Sompolinsky

Phys. Rev. Lett. 76, 3021 (1996) - Published 15 April, 1996

Conditions for Adaptation of an Evolving Population

I. Mróz, A. Pȩkalski, and K. Sznajd-Weron

Phys. Rev. Lett. 76, 3025 (1996) - Published 15 April, 1996

Large Discrete Transition in a Single DNA Molecule Appears Continuous in the Ensemble

K. Yoshikawa, M. Takahashi, V. V. Vasilevskaya, and A. R. Khokhlov

Phys. Rev. Lett. 76, 3029 (1996) - Published 15 April, 1996

Single Cell Motion in Aggregates of Embryonic Cells

José C. M. Mombach and James A. Glazier

Phys. Rev. Lett. 76, 3032 (1996) - Published 15 April, 1996

COMMENTS

Comment on “Gaussian Orthogonal Ensemble Statistics in a Microwave Stadium Billiard with Chaotic Dynamics: Porter-Thomas Distribution and Algebraic Decay of Time Correlations”

A. Kudrolli and S. Sridhar

Phys. Rev. Lett. 76, 3036 (1996) - Published 15 April, 1996

Alt et al. Reply:

H. Alt, H.-D. Gräf, H. L. Harney, R. Hofferbert, H. Lengeler, A. Richter, P. Schardt, and H. A. Weidenmüller

Phys. Rev. Lett. 76, 3037 (1996) - Published 15 April, 1996

Comment on “Size Dependence of Excitons in Silicon Nanocrystals”

C. Delerue, M. Lannoo, and G. Allan

Phys. Rev. Lett. 76, 3038 (1996) - Published 15 April, 1996

Hill and Whaley Reply:

Nicola A. Hill and K. Birgitta Whaley

Phys. Rev. Lett. 76, 3039 (1996) - Published 15 April, 1996

Comment on “Tunneling in Mesoscopic Magnetic Molecules”

A. L. Burin, N. V. Prokof'ev, and P. C. E. Stamp

Phys. Rev. Lett. 76, 3040 (1996) - Published 15 April, 1996

Politi et al. Reply:

P. Politi, A. Rettori, F. Hartmann-Boutron, and J. Villain

Phys. Rev. Lett. 76, 3041 (1996) - Published 15 April, 1996

ERRATA

First Study of Heavy-Ion Mirror Charge Exchange

M. Steiner, Sam M. Austin, D. Bazin, W. Benenson, C. A. Bertulani, J. A. Brown, M. Fauerbach, M. Hellström, E. Kashy, J. H. Kelley, R. A. Kryger, T. Kubo, N. A. Orr, R. Pfaff, B. M. Sherrill, M. Thoennessen, S. J. Yennello, B. M. Young, P. D. Zecher, D. J. Morrissey, and C. F. Powell

Phys. Rev. Lett. 76, 3042 (1996) - Published 15 April, 1996

Mechanisms for Stable Single Bubble Sonoluminescence

Michael P. Brenner, Detlef Lohse, David Oxtoby, and Todd F. Dupont

Phys. Rev. Lett. 76, 3043 (1996) - Published 15 April, 1996

Electronic Energy Transfer in CdSe Quantum Dot Solids

C. R. Kagan, C. B. Murray, M. Nirmal, and M. G. Bawendi

Phys. Rev. Lett. 76, 3043 (1996) - Published 15 April, 1996