Volume 82, Issue 15

12 April 1999

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HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

Fractal Geometry of Rocks

A. P. Radliński, E. Z. Radlińska, M. Agamalian, G. D. Wignall, P. Lindner, and O. G. Randl

Phys. Rev. Lett. 82, 3078 (1999) - Published 12 April, 1999

LETTERS

General Physics

Stochastic Tunneling Approach for Global Minimization of Complex Potential Energy Landscapes

W. Wenzel and K. Hamacher

Phys. Rev. Lett. 82, 3003 (1999) - Published 12 April, 1999

Atom Laser with a cw Output Coupler

Immanuel Bloch, Theodor W. Hänsch, and Tilman Esslinger

Phys. Rev. Lett. 82, 3008 (1999) - Published 12 April, 1999

Gravitation and Astrophysics

Parametric Excitation of Plasma Waves by Gravitational Radiation

Gert Brodin and Mattias Marklund

Phys. Rev. Lett. 82, 3012 (1999) - Published 12 April, 1999

Cold and Hot Dark Matter from a Single Nonthermal Relic

Ram Brustein and Merav Hadad

Phys. Rev. Lett. 82, 3016 (1999) - Published 12 April, 1999

Elementary Particles and Fields

First Observation of the Decay $B^{0} \to D^{* +} D^{* -}$

M. Artuso et al. (CLEO Collaboration)

Phys. Rev. Lett. 82, 3020 (1999) - Published 12 April, 1999

Nuclear Physics

Observation of a Coherence Length Effect in Exclusive $ρ^{0}$ Electroproduction

K. Ackerstaff et al. (HERMES Collaboration)

Phys. Rev. Lett. 82, 3025 (1999) - Published 12 April, 1999

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Parametric Level Statistics in Random Matrix Theory: Exact Solution

E. Kanzieper

Phys. Rev. Lett. 82, 3030 (1999) - Published 12 April, 1999

Fractal Dimension of Space-Time Chaos

Antonio Politi and Annette Witt

Phys. Rev. Lett. 82, 3034 (1999) - Published 12 April, 1999

Periodic Orbit Quantization of Mixed Regular Chaotic Systems

Jörg Main and Günter Wunner

Phys. Rev. Lett. 82, 3038 (1999) - Published 12 April, 1999

Projective Synchronization In Three-Dimensional Chaotic Systems

Ronnie Mainieri and Jan Rehacek

Phys. Rev. Lett. 82, 3042 (1999) - Published 12 April, 1999

Phase-Matched Third-Harmonic Generation in a Nematic Liquid Crystal Cell

D. Yelin, Y. Silberberg, Y. Barad, and J. S. Patel

Phys. Rev. Lett. 82, 3046 (1999) - Published 12 April, 1999

Site-Selective, Intrinsically Bistable Luminescence of ${Yb}^{3 +}$ Ion Pairs in ${CsCdBr}_{3}$

Markus P. Hehlen, Amos Kuditcher, Stephen C. Rand, and Stefan R. Lüthi

Phys. Rev. Lett. 82, 3050 (1999) - Published 12 April, 1999

Sonic Band Gaps in Finite Elastic Media: Surface States and Localization Phenomena in Linear and Point Defects

M. Torres, F. R. Montero de Espinosa, D. García-Pablos, and N. García

Phys. Rev. Lett. 82, 3054 (1999) - Published 12 April, 1999

Power Laws in Nonlinear Granular Chain under Gravity

Jongbae Hong, Jeong-Young Ji, and Heekyong Kim

Phys. Rev. Lett. 82, 3058 (1999) - Published 12 April, 1999

Breaking Faraday Waves: Critical Slowing of Droplet Ejection Rates

C. L. Goodridge, H. G. E. Hentschel, and D. P. Lathrop

Phys. Rev. Lett. 82, 3062 (1999) - Published 12 April, 1999

Plasma and Beam Physics

Strong Evidence for Stochastic Growth of Langmuir-like Waves in Earth's Foreshock

Iver H. Cairns and P. A. Robinson

Phys. Rev. Lett. 82, 3066 (1999) - Published 12 April, 1999

Observation of Transonic Ionization Fronts in Low-Density Foam Targets

D. Hoarty, L. Barringer, C. Vickers, O. Willi, and W. Nazarov

Phys. Rev. Lett. 82, 3070 (1999) - Published 12 April, 1999

Condensed Matter: Structure, etc.

Structures of GaN(0001)- $(2 \times 2)$ , - $(4 \times 4)$ , and - $(5 \times 5)$ Surface Reconstructions

Qi-Kun Xue, Q. Z. Xue, R. Z. Bakhtizin, Y. Hasegawa, I. S. T. Tsong, T. Sakurai, and T. Ohno

Phys. Rev. Lett. 82, 3074 (1999) - Published 12 April, 1999

FEATURED IN PHYSICS

Fractal Geometry of Rocks

A. P. Radliński, E. Z. Radlińska, M. Agamalian, G. D. Wignall, P. Lindner, and O. G. Randl

Phys. Rev. Lett. 82, 3078 (1999) - Published 12 April, 1999

Determination of Atomic Positions in a Solid Xe Precipitate Embedded in an Al Matrix

K. Mitsuishi, M. Kawasaki, M. Takeguchi, and K. Furuya

Phys. Rev. Lett. 82, 3082 (1999) - Published 12 April, 1999

Photoinduced Effects in UV Laser Melting of Si in UHV

Bogdan Dragnea and Bernard Bourguignon

Phys. Rev. Lett. 82, 3085 (1999) - Published 12 April, 1999

Raman Study of Isotope Effects and Phonon Eigenvectors in SiC

F. Widulle, T. Ruf, O. Buresch, A. Debernardi, and M. Cardona

Phys. Rev. Lett. 82, 3089 (1999) - Published 12 April, 1999

Structure of Large ${}^{3}H e - {}^{4}H e$ Mixed Drops around a Dopant Molecule

Martí Pi, Ricardo Mayol, and Manuel Barranco

Phys. Rev. Lett. 82, 3093 (1999) - Published 12 April, 1999

Multistep Locked-to-Sliding Transition in a Thin Lubricant Film

O. M. Braun, A. R. Bishop, and J. Röder

Phys. Rev. Lett. 82, 3097 (1999) - Published 12 April, 1999

Interlayer Mass Transport and Quantum Confinement of Electronic States

M. Giesen, G. Schulze Icking-Konert, and H. Ibach

Phys. Rev. Lett. 82, 3101 (1999) - Published 12 April, 1999

Adhesion with Impurities: A Large Asymmetry

Wenqing Zhang and John R. Smith

Phys. Rev. Lett. 82, 3105 (1999) - Published 12 April, 1999

Condensed Matter: Electronic Properties, etc.

Influence of Exciton-Exciton Interaction on Quantum Beats

Takao Aoki, Georg Mohs, Makoto Kuwata-Gonokami, and A. A. Yamaguchi

Phys. Rev. Lett. 82, 3108 (1999) - Published 12 April, 1999

Coulomb Memory Signatures in the Excitonic Optical Stark Effect

C. Sieh, T. Meier, F. Jahnke, A. Knorr, S. W. Koch, P. Brick, M. Hübner, C. Ell, J. Prineas, G. Khitrova, and H. M. Gibbs

Phys. Rev. Lett. 82, 3112 (1999) - Published 12 April, 1999

Coherent Manipulation of Phonon Emission Rates in Semiconductor Heterostructures

Xuedong Hu and Walter Pötz

Phys. Rev. Lett. 82, 3116 (1999) - Published 12 April, 1999

Continuum Wannier-Stark Ladders Strongly Coupled by Zener Resonances in Semiconductor Superlattices

M. Helm, W. Hilber, G. Strasser, R. De Meester, F. M. Peeters, and A. Wacker

Phys. Rev. Lett. 82, 3120 (1999) - Published 12 April, 1999

Collective Modes in Strongly Coupled Electronic Bilayer Liquids

G. Kalman, V. Valtchinov, and K. I. Golden

Phys. Rev. Lett. 82, 3124 (1999) - Published 12 April, 1999

Spectroscopic Signatures of Defect-Induced Pair Breaking in ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8 + x}$

I. Vobornik, H. Berger, D. Pavuna, M. Onellion, G. Margaritondo, F. Rullier-Albenque, L. Forró, and M. Grioni

Phys. Rev. Lett. 82, 3128 (1999) - Published 12 April, 1999

Angular Dependence of the Nonlinear Transverse Magnetic Moment of ${YBa}_{2} {Cu}_{3} O_{6.95}$ in the Meissner State

Anand Bhattacharya, Igor Zutic, Oriol T. Valls, A. M. Goldman, Ulrich Welp, and Boyd Veal

Phys. Rev. Lett. 82, 3132 (1999) - Published 12 April, 1999

Normal State Pseudogap and ( $π, 0$ ) Feature in the Underdoped High- $T_{c}$ Cuprates: A Microscopic Theory

F. Onufrieva and P. Pfeuty

Phys. Rev. Lett. 82, 3136 (1999) - Published 12 April, 1999

Vortices in a Superconducting Cylinder: Edge Effects in the Depinned Phase

P. G. Silvestrov

Phys. Rev. Lett. 82, 3140 (1999) - Published 12 April, 1999

Transport Properties of Vortices in Easy Flow Channels: A Frenkel-Kontorova Study

R. Besseling, R. Niggebrugge, and P. H. Kes

Phys. Rev. Lett. 82, 3144 (1999) - Published 12 April, 1999

Interlayer Coupling and Superconducting Critical Temperature of ${Bi}_{2} {Sr}_{1.5} {La}_{0.5} {CuO}_{6 + δ}$ and ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8 + δ}$ : Incommensurate Effects of Pressure

A. Yurgens, D. Winkler, T. Claeson, T. Murayama, and Y. Ando

Phys. Rev. Lett. 82, 3148 (1999) - Published 12 April, 1999

High-Temperature Magnetic Correlations in the 2D $S = 1 / 2$ Antiferromagnet Copper Formate Tetradeuterate

H. M. Rønnow, D. F. McMorrow, and A. Harrison

Phys. Rev. Lett. 82, 3152 (1999) - Published 12 April, 1999

Experimental Evidence of Magnetic Ordering at the Rh(100) Surface

A. Goldoni, A. Baraldi, G. Comelli, S. Lizzit, and G. Paolucci

Phys. Rev. Lett. 82, 3156 (1999) - Published 12 April, 1999

Optical Conductivity in Doped Manganites with Planar $x^{2}$ - $y^{2}$ Orbital Order

Frank Mack and Peter Horsch

Phys. Rev. Lett. 82, 3160 (1999) - Published 12 April, 1999

Large Low-Field Magnetoresistance in Perovskite-type ${CaCu}_{3} {Mn}_{4} O_{12}$ without Double Exchange

Z. Zeng, M. Greenblatt, M. A. Subramanian, and M. Croft

Phys. Rev. Lett. 82, 3164 (1999) - Published 12 April, 1999

Exact Dimer Ground State and Quantized Magnetization Plateaus in the Two-Dimensional Spin System ${SrCu}_{2} ({BO}_{3})_{2}$

H. Kageyama, K. Yoshimura, R. Stern, N. V. Mushnikov, K. Onizuka, M. Kato, K. Kosuge, C. P. Slichter, T. Goto, and Y. Ueda

Phys. Rev. Lett. 82, 3168 (1999) - Published 12 April, 1999

Terahertz Sideband Generation and Coherent Control in Semiconductor Microcavities

D. S. Citrin

Phys. Rev. Lett. 82, 3172 (1999) - Published 12 April, 1999

Extreme In-Plane Anisotropy of the Heavy-Hole $g$ Factor in (001)-CdTe/CdMnTe Quantum Wells

Yu. G. Kusrayev, A. V. Koudinov, I. G. Aksyanov, B. P. Zakharchenya, T. Wojtowicz, G. Karczewski, and J. Kossut

Phys. Rev. Lett. 82, 3176 (1999) - Published 12 April, 1999

Interdisciplinary Physics: Biological Physics, Quantum Information, etc.

Small-World Networks: Evidence for a Crossover Picture

Marc Barthélémy and Luís A. Nunes Amaral

Phys. Rev. Lett. 82, 3180 (1999) - Published 12 April, 1999

Phase Behavior and Interactions of the Membrane-Protein Bacteriorhodopsin

I. Koltover, J. O. Raedler, T. Salditt, K. J. Rothschild, and C. R. Safinya

Phys. Rev. Lett. 82, 3184 (1999) - Published 12 April, 1999

COMMENTS

Comment on “Optically Induced Damping of the Surface Plasmon Resonance in Gold Colloids”

Gregory V. Hartland, José H. Hodak, and Ignacio Martini

Phys. Rev. Lett. 82, 3188 (1999) - Published 12 April, 1999

Perner et al. Reply:

M. Perner, G. von Plessen, and J. Feldmann

Phys. Rev. Lett. 82, 3189 (1999) - Published 12 April, 1999

Comment on “Quantum Decoherence in Disordered Mesoscopic Systems”

I. L. Aleiner, B. L. Altshuler, and M. E. Gershenson

Phys. Rev. Lett. 82, 3190 (1999) - Published 12 April, 1999

Golubev and Zaikin Reply:

D. S. Golubev and A. D. Zaikin

Phys. Rev. Lett. 82, 3191 (1999) - Published 12 April, 1999

ERRATA

Erratum: Searching for Invisible and Almost Invisible Particles at $e^{+} e^{-}$ Colliders [Phys. Rev. Lett. 76, 2002 (1996)]

C.-H. Chen, M. Drees, and J. F. Gunion

Phys. Rev. Lett. 82, 3192 (1999) - Published 12 April, 1999