Volume 74, Issue 24

12 June 1995

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LETTERS

General Physics

Interaction-Free Measurement

Paul Kwiat, Harald Weinfurter, Thomas Herzog, Anton Zeilinger, and Mark A. Kasevich

Phys. Rev. Lett. 74, 4763 (1995) - Published 12 June, 1995

Elementary Particles and Fields

String Theory, Misaligned Supersymmetry, and the Supertrace Constraints

Keith R. Dienes, Moshe Moshe, and Robert C. Myers

Phys. Rev. Lett. 74, 4767 (1995) - Published 12 June, 1995

Can the Nambu-Goldstone Boson Live on the Light Front?

Yoonbai Kim, Sho Tsujimaru, and Koichi Yamawaki

Phys. Rev. Lett. 74, 4771 (1995) - Published 12 June, 1995

Nuclear Physics

Exclusive Electron Scattering from Deuterium at High Momentum Transfer

H. J. Bulten et al.

Phys. Rev. Lett. 74, 4775 (1995) - Published 12 June, 1995

Photon-Photon Correlation in the ${}^{36}A {}^{27}{r + A} l$ reaction at 95 MeV/Nucleon

A. Badalà, R. Barbera, A. Palmeri, G. S. Pappalardo, F. Riggi, A. C. Russo, G. Russo, and R. Turrisi

Phys. Rev. Lett. 74, 4779 (1995) - Published 12 June, 1995

Atomic, Molecular, and Optical Physics

Optics and Interferometry with ${Na}_{2}$ Molecules

Michael S. Chapman, Christopher R. Ekstrom, Troy D. Hammond, Richard A. Rubenstein, Jörg Schmiedmayer, Stefan Wehinger, and David E. Pritchard

Phys. Rev. Lett. 74, 4783 (1995) - Published 12 June, 1995

Search for Small Violations of the Symmetrization Postulate in an Excited State of Helium

K. Deilamian, J. D. Gillaspy, and D. E. Kelleher

Phys. Rev. Lett. 74, 4787 (1995) - Published 12 June, 1995

High Precision Calculation of Fine Structure Splittings in Helium and He-Like Ions

Zong-Chao Yan and G. W. F. Drake

Phys. Rev. Lett. 74, 4791 (1995) - Published 12 June, 1995

Resonance Structure in the ${Li}^{-}$ Photodetachment Cross Section

U. Berzinsh, G. Haeffler, D. Hanstorp, A. Klinkmüller, E. Lindroth, U. Ljungblad, and D. J. Pegg

Phys. Rev. Lett. 74, 4795 (1995) - Published 12 June, 1995

Phase Control in the Two-Color Photodissociation of ${HD}^{+}$

B. Sheehy, B. Walker, and L. F. DiMauro

Phys. Rev. Lett. 74, 4799 (1995) - Published 12 June, 1995

Experimental Verification of Electron Optic Dichroism

Stefan Mayer and Joachim Kessler

Phys. Rev. Lett. 74, 4803 (1995) - Published 12 June, 1995

Effects of Open Inelastic Channels in the Resonant Dissociative Recombination of ${HeH}^{+}$

A. E. Orel, K. C. Kulander, and T. N. Rescigno

Phys. Rev. Lett. 74, 4807 (1995) - Published 12 June, 1995

Ultraslow Positive-Muon Generation by Laser Ionization of Thermal Muonium from Hot Tungsten at Primary Proton Beam

K. Nagamine, Y. Miyake, K. Shimomura, P. Birrer, J. P. Marangos, M. Iwasaki, P. Strasser, and T. Kuga

Phys. Rev. Lett. 74, 4811 (1995) - Published 12 June, 1995

Sub-Poissonian Twin Beams via Competing Nonlinearities

Monika A. M. Marte

Phys. Rev. Lett. 74, 4815 (1995) - Published 12 June, 1995

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Spatial Chaos in a Chain of Coupled Bistable Oscillators

V. I. Nekorkin and V. A. Makarov

Phys. Rev. Lett. 74, 4819 (1995) - Published 12 June, 1995

Oscillating Singularities in Locally Self-Similar Functions

A. Arneodo, E. Bacry, and J. F. Muzy

Phys. Rev. Lett. 74, 4823 (1995) - Published 12 June, 1995

Optimal Quantum Trajectories for Continuous Measurement

J. K. Breslin, G. J. Milburn, and H. M. Wiseman

Phys. Rev. Lett. 74, 4827 (1995) - Published 12 June, 1995

Quantization of the Three-Dimensional Sinai Billiard

Harel Primack and Uzy Smilansky

Phys. Rev. Lett. 74, 4831 (1995) - Published 12 June, 1995

Photonic de Broglie Waves

Joseph Jacobson, Gunnar Björk, Isaac Chuang, and Yoshihisa Yamamoto

Phys. Rev. Lett. 74, 4835 (1995) - Published 12 June, 1995

Parity Breaking Bifurcation in Inhomogeneous Systems

E. Knobloch, J. Hettel, and G. Dangelmayr

Phys. Rev. Lett. 74, 4839 (1995) - Published 12 June, 1995

Fingering Instability of Gravity Currents in Thin-Layer Electrochemical Deposition

John R. de Bruyn

Phys. Rev. Lett. 74, 4843 (1995) - Published 12 June, 1995

Interaction of Breathing Localized Solutions for Subcritical Bifurcations

Robert J. Deissler and Helmut R. Brand

Phys. Rev. Lett. 74, 4847 (1995) - Published 12 June, 1995

Plasma and Beam Physics

Proposal for Beam Extraction from a Modified Betatron Accelerator Using a Toroidal Electric Field

C. A. Kapetanakos, E. Drakakis, Z. Xenidi, and D. Karabourniotis

Phys. Rev. Lett. 74, 4851 (1995) - Published 12 June, 1995

Richtmyer-Meshkov Instability in the Turbulent Regime

Guy Dimonte, C. Eric Frerking, and Marilyn Schneider

Phys. Rev. Lett. 74, 4855 (1995) - Published 12 June, 1995

Condensed Matter: Structure, Etc.

Supercritical Conversion of the Third Blue Phase to the Isotropic Phase in a Highly Chiral Liquid Crystal

Zdravko Kutnjak, Carl W. Garland, J. Loren Passmore, and Peter J. Collings

Phys. Rev. Lett. 74, 4859 (1995) - Published 12 June, 1995

Calorimetric and Structural Characterization of Thin Liquid-Crystal Films Exhibiting the Smectic- $A$ –Hexatic- $B$ –Crystal- $B$ Transitions

A. J. Jin, M. Veum, T. Stoebe, C. F. Chou, J. T. Ho, S. W. Hui, V. Surendranath, and C. C. Huang

Phys. Rev. Lett. 74, 4863 (1995) - Published 12 June, 1995

Disorder-Induced Phase Transitions in Two-Dimensional Crystals

Min-Chul Cha and H. A. Fertig

Phys. Rev. Lett. 74, 4867 (1995) - Published 12 June, 1995

Continuity of Phonon Spectra for Diamond and Hexagonal Close Packed Structures

L. Michel, M. B. Walker, and J. Zak

Phys. Rev. Lett. 74, 4871 (1995) - Published 12 June, 1995

Fluorine-Based Mechanisms for Atomic-Layer-Epitaxial Growth on Diamond (110)

M. G. Wensell, Z. Zhang, and J. Bernholc

Phys. Rev. Lett. 74, 4875 (1995) - Published 12 June, 1995

Transition from Compact to Fractal Islands during Submonolayer Epitaxial Growth

G. S. Bales and D. C. Chrzan

Phys. Rev. Lett. 74, 4879 (1995) - Published 12 June, 1995

$T_{c}$ of the Mode Coupling Theory Evaluated from Impulsive Stimulated Light Scattering on Salol

Yongwu Yang and Keith A. Nelson

Phys. Rev. Lett. 74, 4883 (1995) - Published 12 June, 1995

Improved Effective-Potential Monte Carlo Theory

Dominic Acocella, George K. Horton, and E. Roger Cowley

Phys. Rev. Lett. 74, 4887 (1995) - Published 12 June, 1995

Condensed Matter: Electronic Properties, Etc.

Fractional Charge and Correlation Exponents for Interacting Electrons in One Dimension

Eugene B. Kolomeisky and Joseph P. Straley

Phys. Rev. Lett. 74, 4891 (1995) - Published 12 June, 1995

Two-Exciton Collective Photon Echoes in Disordered Molecular Nanostructures

Vladimir Chernyak and Shaul Mukamel

Phys. Rev. Lett. 74, 4895 (1995) - Published 12 June, 1995

X-Ray Absorption Near Edge Structure in Metals: Relativistic Effects and Core-Hole Screening

E. Tamura, J. van Ek, M. Fröba, and J. Wong

Phys. Rev. Lett. 74, 4899 (1995) - Published 12 June, 1995

New Type of Quantum Magnetic Resistance Oscillations in Quasi-One-Dimensional Conductors

A. G. Lebed

Phys. Rev. Lett. 74, 4903 (1995) - Published 12 June, 1995

Anderson Model Out of Equilibrium: Time-Dependent Perturbations

Matthias H. Hettler and Herbert Schoeller

Phys. Rev. Lett. 74, 4907 (1995) - Published 12 June, 1995

Is Nd $_{2 - x}$ Ce $_{x}$ Cu $O_{4}$ a High-Temperature Superconductor?

B. Stadlober, G. Krug, R. Nemetschek, R. Hackl, J. L. Cobb, and J. T. Markert

Phys. Rev. Lett. 74, 4911 (1995) - Published 12 June, 1995

Dephasing Length and Coherence of a Quantum Soliton in an Ideal Long Josephson Junction

Ziv Hermon, Alexander Shnirman, and Eshel Ben-Jacob

Phys. Rev. Lett. 74, 4915 (1995) - Published 12 June, 1995

Magnetization Relaxation via Quantum and Classical Vortex Motion in a Bose Glass Superconductor

Leo Radzihovsky

Phys. Rev. Lett. 74, 4919 (1995) - Published 12 June, 1995

Resurrection of the Melting Line in the Bose Glass Superconductor

Leo Radzihovsky

Phys. Rev. Lett. 74, 4923 (1995) - Published 12 June, 1995

Extended Superconducting Concentration Range Observed in $\Pr_{2 - x} {Ce}_{x} {CuO}_{4 - δ}$

Matthias Brinkmann, Thomas Rex, Heinrich Bach, and Kurt Westerholt

Phys. Rev. Lett. 74, 4927 (1995) - Published 12 June, 1995

Evidence for a Quadrupolar Excitation Channel at the $L_{III}$ Edge of Gadolinium by Resonant Inelastic X-Ray Scattering

M. H. Krisch, C. C. Kao, F. Sette, W. A. Caliebe, K. Hämäläinen, and J. B. Hastings

Phys. Rev. Lett. 74, 4931 (1995) - Published 12 June, 1995

Confirmation of Quadrupolar Transitions in Circular Magnetic X-Ray Dichroism at the Dysprosium $L_{III}$ Edge

J. C. Lang, George Srajer, C. Detlefs, A. I. Goldman, H. König, Xindong Wang, B. N. Harmon, and R. W. McCallum

Phys. Rev. Lett. 74, 4935 (1995) - Published 12 June, 1995

Ground State of the Kondo-Hubbard Model at Half Filling

Takashi Yanagisawa and Yukihiro Shimoi

Phys. Rev. Lett. 74, 4939 (1995) - Published 12 June, 1995

Surface Relaxation Mechanisms of Laser-Polarized $^{129} Xe$

B. Driehuys, G. D. Cates, and W. Happer

Phys. Rev. Lett. 74, 4943 (1995) - Published 12 June, 1995

Positronium Formation as a Probe of Polymer Surfaces and Thin Films

L. Xie, G. B. DeMaggio, W. E. Frieze, J. DeVries, D. W. Gidley, H. A. Hristov, and A. F. Yee

Phys. Rev. Lett. 74, 4947 (1995) - Published 12 June, 1995

Momentum Distribution Sum Rule for Angle-Resolved Photoemission

Mohit Randeria, Hong Ding, J-C. Campuzano, A. Bellman, G. Jennings, T. Yokoya, T. Takahashi, H. Katayama-Yoshida, T. Mochiku, and K. Kadowaki

Phys. Rev. Lett. 74, 4951 (1995) - Published 12 June, 1995

Cross-Disciplinary Physics

Theoretical and Experimental Study of Relaxations in ${Al}_{3} Ti$ and ${Al}_{3} Zr$ Ordered Phases

C. Amador, J. J. Hoyt, B. C. Chakoumakos, and D. de Fontaine

Phys. Rev. Lett. 74, 4955 (1995) - Published 12 June, 1995

ERRATA

Piezophotonic switching due to local field effects in a coherently prepared medium of three-level atoms

Aaron S. Manka, Jonathan P. Dowling, Charles M. Bowden, and Michael Fleischhauer

Phys. Rev. Lett. 74, 4965 (1995) - Published 12 June, 1995

Multiple ${Mn}^{2 +}$ -Spin-Flip Raman Scattering at High Fields via Magnetic Polaron States in Semimagnetic Quantum Wells

J. Stühler, G. Schaack, M. Dahl, A. Waag, G. Landwehr, K. V. Kavokin, and I. A. Merkulov

Phys. Rev. Lett. 74, 4966 (1995) - Published 12 June, 1995