Volume 79, Issue 25

22 December 1997

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LETTERS

General Physics

Observing Local Realism Violations with a Combination of Sensitive and Insensitive Detectors

B. Yurke and D. Stoler

Phys. Rev. Lett. 79, 4941 (1997) - Published 22 December, 1997

Beyond the Schrödinger Equation: Quantum Motion with Traversal Time Control

D. Sokolovski

Phys. Rev. Lett. 79, 4946 (1997) - Published 22 December, 1997

Quantum Coherent Atomic Tunneling between Two Trapped Bose-Einstein Condensates

A. Smerzi, S. Fantoni, S. Giovanazzi, and S. R. Shenoy

Phys. Rev. Lett. 79, 4950 (1997) - Published 22 December, 1997

Sum Rule Identities and the Duality Relation for the Potts $n$ -Point Boundary Correlation Function

F. Y. Wu and H. Y. Huang

Phys. Rev. Lett. 79, 4954 (1997) - Published 22 December, 1997

Gravitation and Astrophysics

Structure of the Black Hole's Cauchy-Horizon Singularity

Lior M. Burko

Phys. Rev. Lett. 79, 4958 (1997) - Published 22 December, 1997

Nuclear Physics

Effect of Flow on the Caloric Curve for Finite Nuclei

S. K. Samaddar, J. N. De, and S. Shlomo

Phys. Rev. Lett. 79, 4962 (1997) - Published 22 December, 1997

Atomic, Molecular, and Optical Physics

Wannier Analytic Continuation to Helium Negative Ion Resonances

A. M. Loughan and D. S. F. Crothers

Phys. Rev. Lett. 79, 4966 (1997) - Published 22 December, 1997

Evolution of the Post-Collision-Interaction Profile from the Resonant Auger Shakeup $/$ Shakedown Lines at the Ionization Threshold

H. Aksela, M. Kivilompolo, E. Nõmmiste, and S. Aksela

Phys. Rev. Lett. 79, 4970 (1997) - Published 22 December, 1997

Cavity-Induced Atom Cooling in the Strong Coupling Regime

Peter Horak, Gerald Hechenblaikner, Klaus M. Gheri, Herwig Stecher, and Helmut Ritsch

Phys. Rev. Lett. 79, 4974 (1997) - Published 22 December, 1997

Creating and Detecting Shaped Rydberg Wave Packets

Jeffrey L. Krause, Kenneth J. Schafer, M. Ben-Nun, and Kent R. Wilson

Phys. Rev. Lett. 79, 4978 (1997) - Published 22 December, 1997

Measured Correlated Motion of Three Massive Coulomb Interacting Particles

L. M. Wiese, O. Yenen, B. Thaden, and D. H. Jaecks

Phys. Rev. Lett. 79, 4982 (1997) - Published 22 December, 1997

Shape Phase Transitions in the Absorption Spectra of Atomic Clusters

J. M. Pacheco and W.-D. Schöne

Phys. Rev. Lett. 79, 4986 (1997) - Published 22 December, 1997

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Theory of Self-Trapped Spatially Incoherent Light Beams

Matthew Mitchell, Mordechai Segev, Tamer H. Coskun, and Demetrios N. Christodoulides

Phys. Rev. Lett. 79, 4990 (1997) - Published 22 December, 1997

Friction Induced Segregation of a Granular Binary Mixture in a Rotating Drum

Pik-Yin Lai, L.-C. Jia, and C. K. Chan

Phys. Rev. Lett. 79, 4994 (1997) - Published 22 December, 1997

Evidence for a Real-Time Singularity in Hydrodynamics from Time Series Analysis

R. B. Pelz and Y. Gulak

Phys. Rev. Lett. 79, 4998 (1997) - Published 22 December, 1997

Towards a Two-Fluid Picture of Intermittency in Shell Models of Turbulence

Jean-Louis Gilson and Thierry Dombre

Phys. Rev. Lett. 79, 5002 (1997) - Published 22 December, 1997

Turbulent Thermal Convection with an Obstructed Sidewall

Ke-Qing Xia and Siu-Lung Lui

Phys. Rev. Lett. 79, 5006 (1997) - Published 22 December, 1997

Effect of Depth on the Pattern Formation of Faraday Waves

Doug Binks, Mark-Tiele Westra, and Willem van de Water

Phys. Rev. Lett. 79, 5010 (1997) - Published 22 December, 1997

Plasma and Beam Physics

Observations of Quasiperiodic Transition to Frequency Locking in Electron Cyclotron Resonance Plasma

X. Z. Yao and D. Y. Jiang

Phys. Rev. Lett. 79, 5014 (1997) - Published 22 December, 1997

Transport in the Sawtooth Collapse

J. A. Wesson, B. Alper, A. W. Edwards, and R. D. Gill

Phys. Rev. Lett. 79, 5018 (1997) - Published 22 December, 1997

Condensed Matter: Structure, Etc.

Photothermal Characterization of Electrochemical Etching Processed n-Type Porous Silicon

A. Calderón, J. J. Alvarado-Gil, Yu. G. Gurevich, A. Cruz-Orea, I. Delgadillo, H. Vargas, and L. C. M. Miranda

Phys. Rev. Lett. 79, 5022 (1997) - Published 22 December, 1997

Bond-Length Distortions in Strained Semiconductor Alloys

J. C. Woicik, J. G. Pellegrino, B. Steiner, K. E. Miyano, S. G. Bompadre, L. B. Sorensen, T.-L. Lee, and S. Khalid

Phys. Rev. Lett. 79, 5026 (1997) - Published 22 December, 1997

Measuring the Spring Constant of a Single Polymer Chain

H. Jensenius and G. Zocchi

Phys. Rev. Lett. 79, 5030 (1997) - Published 22 December, 1997

Mesosized Crystal-like Structure of Hexagonally Packed Hollow Hoops by Solution Self-Assembly of Diblock Copolymers

Lifeng Zhang, Carl Bartels, Yisong Yu, Hongwei Shen, and Adi Eisenberg

Phys. Rev. Lett. 79, 5034 (1997) - Published 22 December, 1997

Low Temperature Sound Velocity of Thin ${SiO}_{2}$ Films

E. Gaganidze, R. König, P. Esquinazi, K. Zimmer, and A. Burin

Phys. Rev. Lett. 79, 5038 (1997) - Published 22 December, 1997

Kink Asymmetry and Multiplicity in Dislocation Cores

Vasily V. Bulatov, João F. Justo, Wei Cai, and Sidney Yip

Phys. Rev. Lett. 79, 5042 (1997) - Published 22 December, 1997

High Pressure Collapse of Magnetism in F $e_{0.94}$ O: Mössbauer Spectroscopy Beyond 100 GPa

M. P. Pasternak, R. D. Taylor, R. Jeanloz, X. Li, J. H. Nguyen, and C. A. McCammon

Phys. Rev. Lett. 79, 5046 (1997) - Published 22 December, 1997

Raman Scattering by Bulk Phonons in Microcrystalline Silver and Copper via Electronic Surface Excitations

W. Akemann, A. Otto, and H. R. Schober

Phys. Rev. Lett. 79, 5050 (1997) - Published 22 December, 1997

Quantum Nucleation of Phase Slips in a $1 D$ Model of a Superfluid

José A. Freire, Daniel P. Arovas, and Herbert Levine

Phys. Rev. Lett. 79, 5054 (1997) - Published 22 December, 1997

Critical Velocity of Vortex Nucleation in Rotating Superfluid $^{3}$ He- $A$

V. M. H. Ruutu, J. Kopu, M. Krusius, Ü. Parts, B. Plaçais, E. V. Thuneberg, and W. Xu

Phys. Rev. Lett. 79, 5058 (1997) - Published 22 December, 1997

Extraordinary Adhesion of Niobium on Sapphire Substrates

G. Song, A. Remhof, K. Theis-Bröhl, and H. Zabel

Phys. Rev. Lett. 79, 5062 (1997) - Published 22 December, 1997

Frictional Force between a Sharp Asperity and a Surface Step

T. Müller, M. Lohrmann, T. Kässer, O. Marti, J. Mlynek, and G. Krausch

Phys. Rev. Lett. 79, 5066 (1997) - Published 22 December, 1997

Unlocking of an Elastic String from a Periodic Substrate

C. Cattuto and F. Marchesoni

Phys. Rev. Lett. 79, 5070 (1997) - Published 22 December, 1997

Crystal Growth of the Lennard-Jones (100) Surface by Means of Equilibrium and Nonequilibrium Molecular Dynamics

W. J. Briels and H. L. Tepper

Phys. Rev. Lett. 79, 5074 (1997) - Published 22 December, 1997

Theory of Adsorption and Desorption of $H_{2}$ Molecules on the Si(111)- $(7 \times 7)$ surface

Kyeongjae Cho, Efthimios Kaxiras, and J. D. Joannopoulos

Phys. Rev. Lett. 79, 5078 (1997) - Published 22 December, 1997

Condensed Matter: Electronic Properties, Etc.

Effective Low-Energy Theory for Correlated Carbon Nanotubes

Reinhold Egger and Alexander O. Gogolin

Phys. Rev. Lett. 79, 5082 (1997) - Published 22 December, 1997

Coulomb Interactions and Mesoscopic Effects in Carbon Nanotubes

Charles Kane, Leon Balents, and Matthew P. A. Fisher

Phys. Rev. Lett. 79, 5086 (1997) - Published 22 December, 1997

A New Disorder-Driven Roughening Transition of Charge-Density Waves and Flux-Line Lattices

Thorsten Emig and Thomas Nattermann

Phys. Rev. Lett. 79, 5090 (1997) - Published 22 December, 1997

Reflective Probing of the Electrical Conductivity of Hot Aluminum in the Solid, Liquid, and Plasma Phases

Andrew N. Mostovych and Yung Chan

Phys. Rev. Lett. 79, 5094 (1997) - Published 22 December, 1997

Exact Two-Point Length Correlator of Quasi-One-Dimensional Disordered Metals

A. M. S. Macêdo

Phys. Rev. Lett. 79, 5098 (1997) - Published 22 December, 1997

Coherent Acoustic Phonons in a Semiconductor Quantum Dot

Todd D. Krauss and Frank W. Wise

Phys. Rev. Lett. 79, 5102 (1997) - Published 22 December, 1997

Wave Function Spectroscopy in Quantum Wells with Tunable Electron Density

G. Salis, B. Graf, K. Ensslin, K. Campman, K. Maranowski, and A. C. Gossard

Phys. Rev. Lett. 79, 5106 (1997) - Published 22 December, 1997

Resistivity due to Domain Wall Scattering

Peter M. Levy and Shufeng Zhang

Phys. Rev. Lett. 79, 5110 (1997) - Published 22 December, 1997

Hall Photovoltage Imaging of the Edge of a Quantum Hall Device

A. A. Shashkin, A. J. Kent, J. R. Owers-Bradley, A. J. Cross, P. Hawker, and M. Henini

Phys. Rev. Lett. 79, 5114 (1997) - Published 22 December, 1997

Is “ ${Rb}_{3} C_{60}$ ” Really ${Rb}_{3} C_{60}$ ? The NMR $T, T^{'}$ Problem

K. Gorny, C. Hahm, J. A. Martindale, S. Yu, C. H. Pennington, D. R. Buffinger, and R. P. Ziebarth

Phys. Rev. Lett. 79, 5118 (1997) - Published 22 December, 1997

Relationship between the Out-Of-Plane Resistance and the Subgap Resistance of Intrinsic Josephson Junctions in ${{Bi}_{2} {Sr}_{2} {CaCu}_{2} O}_{8 + δ}$

A. Yurgens, D. Winkler, N. V. Zavaritsky, and T. Claeson

Phys. Rev. Lett. 79, 5122 (1997) - Published 22 December, 1997

Magnetization Curves of Antiferromagnetic Heisenberg Spin- $\frac{1}{2}$ Ladders

D. C. Cabra, A. Honecker, and P. Pujol

Phys. Rev. Lett. 79, 5126 (1997) - Published 22 December, 1997

Revisiting the Theory of Finite Size Scaling in Disordered Systems: $ν$ Can Be Less than $2 / d$

Ferenc Pázmándi, Richard T. Scalettar, and Gergely T. Zimányi

Phys. Rev. Lett. 79, 5130 (1997) - Published 22 December, 1997

Low-Temperature Anomalies and Ferromagnetism of ${EuB}_{6}$

L. Degiorgi, E. Felder, H. R. Ott, J. L. Sarrao, and Z. Fisk

Phys. Rev. Lett. 79, 5134 (1997) - Published 22 December, 1997

Observation of Three-Magnon Light Scattering in ${CuGeO}_{3}$

G. Els, P. H. M. van Loosdrecht, P. Lemmens, H. Vonberg, G. Güntherodt, G. S. Uhrig, O. Fujita, J. Akimitsu, G. Dhalenne, and A. Revcolevschi

Phys. Rev. Lett. 79, 5138 (1997) - Published 22 December, 1997

Determination of the Universality Class of Gadolinium

E. Frey, F. Schwabl, S. Henneberger, O. Hartmann, R. Wäppling, A. Kratzer, and G. M. Kalvius

Phys. Rev. Lett. 79, 5142 (1997) - Published 22 December, 1997

Ultrafast Spin Dynamics of Ferromagnetic Thin Films Observed by fs Spin-Resolved Two-Photon Photoemission

A. Scholl, L. Baumgarten, R. Jacquemin, and W. Eberhardt

Phys. Rev. Lett. 79, 5146 (1997) - Published 22 December, 1997

Tunneling Evidence of Half-Metallic Ferromagnetism in ${La}_{0.7} {Ca}_{0.3} {MnO}_{3}$

J. Y. T. Wei, N.-C. Yeh, and R. P. Vasquez

Phys. Rev. Lett. 79, 5150 (1997) - Published 22 December, 1997

Dynamics of an Interacting Particle System: Evidence of Critical Slowing Down

C. Djurberg, P. Svedlindh, P. Nordblad, M. F. Hansen, F. Bødker, and S. Mørup

Phys. Rev. Lett. 79, 5154 (1997) - Published 22 December, 1997

Ultrafast Spin-Dependent Electron Dynamics in fcc Co

M. Aeschlimann, M. Bauer, S. Pawlik, W. Weber, R. Burgermeister, D. Oberli, and H. C. Siegmann

Phys. Rev. Lett. 79, 5158 (1997) - Published 22 December, 1997

Origin of the Anomalous Magnetic Behavior in Single Crystal ${Fe}_{3} O_{4}$ Films

D. T. Margulies, F. T. Parker, M. L. Rudee, F. E. Spada, J. N. Chapman, P. R. Aitchison, and A. E. Berkowitz

Phys. Rev. Lett. 79, 5162 (1997) - Published 22 December, 1997

Magnetic Instability of Ultrathin fcc ${Fe}_{x} {Ni}_{1 - x}$ Films

F. O. Schumann, R. F. Willis, K. G. Goodman, and J. G. Tobin

Phys. Rev. Lett. 79, 5166 (1997) - Published 22 December, 1997

Quantum Theory of Nonlinear Semiconductor Microcavity Luminescence Explaining “Boser” Experiments

M. Kira, F. Jahnke, S. W. Koch, J. D. Berger, D. V. Wick, T. R. Nelson, Jr., G. Khitrova, and H. M. Gibbs

Phys. Rev. Lett. 79, 5170 (1997) - Published 22 December, 1997

Nitrogen Incorporation at $Si (001) - {SiO}_{2}$ Interfaces: Relation between N $1 s$ Core-Level Shifts and Microscopic Structure

G.-M. Rignanese, Alfredo Pasquarello, J.-C. Charlier, X. Gonze, and Roberto Car

Phys. Rev. Lett. 79, 5174 (1997) - Published 22 December, 1997

Cross-Disciplinary Physics

Purifying Two-Bit Quantum Gates and Joint Measurements in Cavity QED

S. J. van Enk, J. I. Cirac, and P. Zoller

Phys. Rev. Lett. 79, 5178 (1997) - Published 22 December, 1997

Distribution of Base Pair Repeats in Coding and Noncoding DNA Sequences

Nikolay V. Dokholyan, Sergey V. Buldyrev, Shlomo Havlin, and H. Eugene Stanley

Phys. Rev. Lett. 79, 5182 (1997) - Published 22 December, 1997

COMMENTS

Comment on ``Measurement of the Neutron Magnetic Form Factor''

J. Jourdan, I. Sick, and J. Zhao

Phys. Rev. Lett. 79, 5186 (1997) - Published 22 December, 1997

Bruins et al. Reply:

E. E. W. Bruins et al.

Phys. Rev. Lett. 79, 5187 (1997) - Published 22 December, 1997

ERRATA

Phonon Instabilities in fcc and bcc Tungsten [Phys. Rev. Lett. 79, 2073 (1997)]

K. Einarsdotter, B. Sadigh, G. Grimvall, and V. Ozoliņs̆

Phys. Rev. Lett. 79, 5188 (1997) - Published 22 December, 1997