Volume 98, Issue 6

9 February 2007

Browse Issues:

On the Cover

Constant current scanning tunneling microscopy image of C₆₀ molecules adsorbed on a copper surface. The molecules are arranged in a hexagonal lattice, with bright and dark rows located at different adsorption sites on the copper.

From the article:

Controlled Contact to a $C_{60}$ Molecule
N. Néel, J. Kröger, L. Limot, T. Frederiksen, M. Brandbyge, and R. Berndt
Phys. Rev. Lett. 98, 065502 (2007)

HIGHLIGHTED ARTICLES

EDITORS' SUGGESTION

Measurement of the Temperature Dependence of the Casimir-Polder Force

J. M. Obrecht, R. J. Wild, M. Antezza, L. P. Pitaevskii, S. Stringari, and E. A. Cornell

Phys. Rev. Lett. 98, 063201 (2007) - Published 8 February, 2007

EDITORS' SUGGESTION

Polarization-Controlled Single Photons

T. Wilk, S. C. Webster, H. P. Specht, G. Rempe, and A. Kuhn

Phys. Rev. Lett. 98, 063601 (2007) - Published 5 February, 2007

EDITORS' SUGGESTION

Stiff Response of Aluminum under Ultrafast Shockless Compression to 110 GPA

Raymond F. Smith, Jon H. Eggert, Alan Jankowski, Peter M. Celliers, M. John Edwards, Yogendra M. Gupta, James R. Asay, and Gilbert W. Collins

Phys. Rev. Lett. 98, 065701 (2007) - Published 6 February, 2007

EDITORS' SUGGESTION

Quantum Dynamics of a Resonator Driven by a Superconducting Single-Electron Transistor: A Solid-State Analogue of the Micromaser

D. A. Rodrigues, J. Imbers, and A. D. Armour

Phys. Rev. Lett. 98, 067204 (2007) - Published 8 February, 2007

EDITORS' SUGGESTION

Optimal Stroke Patterns for Purcell’s Three-Link Swimmer

Daniel Tam and A. E. Hosoi

Phys. Rev. Lett. 98, 068105 (2007) - Published 9 February, 2007

LETTERS

General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.

Entanglement Entropy in Fermionic Laughlin States

Masudul Haque, Oleksandr Zozulya, and Kareljan Schoutens

Phys. Rev. Lett. 98, 060401 (2007) - Published 6 February, 2007

Entropy and Exact Matrix-Product Representation of the Laughlin Wave Function

S. Iblisdir, J. I. Latorre, and R. Orús

Phys. Rev. Lett. 98, 060402 (2007) - Published 6 February, 2007

Quantum Phase Transitions of Polar Molecules in Bilayer Systems

Daw-Wei Wang

Phys. Rev. Lett. 98, 060403 (2007) - Published 7 February, 2007

Strongly Correlated 2D Quantum Phases with Cold Polar Molecules: Controlling the Shape of the Interaction Potential

H. P. Büchler, E. Demler, M. Lukin, A. Micheli, N. Prokof’ev, G. Pupillo, and P. Zoller

Phys. Rev. Lett. 98, 060404 (2007) - Published 8 February, 2007

Quantum Phase Transition in a Two-Dimensional System of Dipoles

G. E. Astrakharchik, J. Boronat, I. L. Kurbakov, and Yu. E. Lozovik

Phys. Rev. Lett. 98, 060405 (2007) - Published 8 February, 2007

Visualization of Vortex Bound States in Polarized Fermi Gases at Unitarity

Hui Hu, Xia-Ji Liu, and Peter D. Drummond

Phys. Rev. Lett. 98, 060406 (2007) - Published 8 February, 2007

Characterizing Multiparticle Entanglement in Symmetric $N$ -Qubit States via Negativity of Covariance Matrices

A. R. Usha Devi, R. Prabhu, and A. K. Rajagopal

Phys. Rev. Lett. 98, 060501 (2007) - Published 5 February, 2007

Multiplexed Memory-Insensitive Quantum Repeaters

O. A. Collins, S. D. Jenkins, A. Kuzmich, and T. A. B. Kennedy

Phys. Rev. Lett. 98, 060502 (2007) - Published 7 February, 2007

Large-Alphabet Quantum Key Distribution Using Energy-Time Entangled Bipartite States

Irfan Ali-Khan, Curtis J. Broadbent, and John C. Howell

Phys. Rev. Lett. 98, 060503 (2007) - Published 8 February, 2007

Gravitation and Astrophysics

Violation of the Equivalence Principle in Modified Theories of Gravity

Gonzalo J. Olmo

Phys. Rev. Lett. 98, 061101 (2007) - Published 7 February, 2007

Complete Integrability of Geodesic Motion in General Higher-Dimensional Rotating Black-Hole Spacetimes

Don N. Page, David Kubizňák, Muraari Vasudevan, and Pavel Krtouš

Phys. Rev. Lett. 98, 061102 (2007) - Published 9 February, 2007

Accelerating Universes from Compactification on a Warped Conifold

Ishwaree P. Neupane

Phys. Rev. Lett. 98, 061301 (2007) - Published 7 February, 2007

Stochastic Background of Gravitational Waves from Hybrid Preheating

Juan García-Bellido and Daniel G. Figueroa

Phys. Rev. Lett. 98, 061302 (2007) - Published 8 February, 2007

Elementary Particles and Fields

Gauge Dependence of Gravitational Correction to Running of Gauge Couplings

Artur R. Pietrykowski

Phys. Rev. Lett. 98, 061801 (2007) - Published 5 February, 2007

Measurement of the Ratios of Branching Fractions $B (B_{s}^{0} \to D_{s}^{-} π^{+} π^{+} π^{-}) / B (B^{0} \to D^{-} π^{+} π^{+} π^{-})$ and $B (B_{s}^{0} \to D_{s}^{-} π^{+}) / B (B^{0} \to D^{-} π^{+})$

A. Abulencia et al. (CDF Collaboration)

Phys. Rev. Lett. 98, 061802 (2007) - Published 6 February, 2007

Search for Lepton Flavor Violating Decays $τ^{\pm} \to ℓ^{\pm} π^{0}$ , $ℓ^{\pm} η$ , $ℓ^{\pm} η^{'}$

B. Aubert et al. (The BABAR Collaboration)

Phys. Rev. Lett. 98, 061803 (2007) - Published 8 February, 2007

Spectral-Fluctuations Test of the Quark-Model Baryon Spectrum

C. Fernández-Ramírez and A. Relaño

Phys. Rev. Lett. 98, 062001 (2007) - Published 8 February, 2007

Nuclear Physics

Scaling Properties of Hyperon Production in $Au + Au$ Collisions at $\sqrt{s_{N N}} = 200 GeV$

J. Adams et al. (STAR Collaboration)

Phys. Rev. Lett. 98, 062301 (2007) - Published 5 February, 2007

Atomic, Molecular, and Optical Physics

Quantum Many-Body Culling: Production of a Definite Number of Ground-State Atoms in a Bose-Einstein Condensate

A. M. Dudarev, M. G. Raizen, and Qian Niu

Phys. Rev. Lett. 98, 063001 (2007) - Published 9 February, 2007

EDITORS' SUGGESTION

Measurement of the Temperature Dependence of the Casimir-Polder Force

J. M. Obrecht, R. J. Wild, M. Antezza, L. P. Pitaevskii, S. Stringari, and E. A. Cornell

Phys. Rev. Lett. 98, 063201 (2007) - Published 8 February, 2007

Second Bound State of PsH

J. Mitroy and M. W. J. Bromley

Phys. Rev. Lett. 98, 063401 (2007) - Published 5 February, 2007

EDITORS' SUGGESTION

Polarization-Controlled Single Photons

T. Wilk, S. C. Webster, H. P. Specht, G. Rempe, and A. Kuhn

Phys. Rev. Lett. 98, 063601 (2007) - Published 5 February, 2007

Chirp and Compress: Toward Single-Cycle Biphotons

S. E. Harris

Phys. Rev. Lett. 98, 063602 (2007) - Published 5 February, 2007

Long-Lived Mesoscopic Entanglement outside the Lamb-Dicke Regime

M. J. McDonnell, J. P. Home, D. M. Lucas, G. Imreh, B. C. Keitch, D. J. Szwer, N. R. Thomas, S. C. Webster, D. N. Stacey, and A. M. Steane

Phys. Rev. Lett. 98, 063603 (2007) - Published 7 February, 2007

Experimental Observation of Four-Photon Entangled Dicke State with High Fidelity

N. Kiesel, C. Schmid, G. Tóth, E. Solano, and H. Weinfurter

Phys. Rev. Lett. 98, 063604 (2007) - Published 7 February, 2007

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Time-Frequency Domain Analogues of Phase Space Sub-Planck Structures

Ludmiła Praxmeyer, Piotr Wasylczyk, Czesław Radzewicz, and Krzysztof Wódkiewicz

Phys. Rev. Lett. 98, 063901 (2007) - Published 7 February, 2007

Self-Organized Quasiperiodicity in Oscillator Ensembles with Global Nonlinear Coupling

Michael Rosenblum and Arkady Pikovsky

Phys. Rev. Lett. 98, 064101 (2007) - Published 5 February, 2007

Lie Symmetries and Solitons in Nonlinear Systems with Spatially Inhomogeneous Nonlinearities

Juan Belmonte-Beitia, Víctor M. Pérez-García, Vadym Vekslerchik, and Pedro J. Torres

Phys. Rev. Lett. 98, 064102 (2007) - Published 5 February, 2007

Upper Bound for Neutron Emission from Sonoluminescing Bubbles in Deuterated Acetone

C. G. Camara, S. D. Hopkins, K. S. Suslick, and S. J. Putterman

Phys. Rev. Lett. 98, 064301 (2007) - Published 7 February, 2007

Sticky Particles in Compressible Flows: Aggregation and Richardson’s Law

Jaan Kalda

Phys. Rev. Lett. 98, 064501 (2007) - Published 5 February, 2007

Statistics of Three-Dimensional Lagrangian Turbulence

Christian Beck

Phys. Rev. Lett. 98, 064502 (2007) - Published 5 February, 2007

Critical Reynolds Number for a Natural Transition to Turbulence in Pipe Flows

Guy Ben-Dov and Jacob Cohen

Phys. Rev. Lett. 98, 064503 (2007) - Published 6 February, 2007

Universality Crossover of the Pinch-Off Shape Profiles of Collapsing Liquid Nanobridges in Vacuum and Gaseous Environments

Wei Kang and Uzi Landman

Phys. Rev. Lett. 98, 064504 (2007) - Published 7 February, 2007

Plasma and Beam Physics

Heavy-Ion-Induced Electronic Desorption of Gas from Metals

A. W. Molvik, H. Kollmus, E. Mahner, M. Kireeff Covo, M. C. Bellachioma, M. Bender, F. M. Bieniosek, E. Hedlund, A. Krämer, J. Kwan, O. B. Malyshev, L. Prost, P. A. Seidl, G. Westenskow, and L. Westerberg

Phys. Rev. Lett. 98, 064801 (2007) - Published 6 February, 2007

Improved Confinement due to Open Ergodic Field Lines Imposed by the Dynamic Ergodic Divertor in TEXTOR

K. H. Finken, S. S. Abdullaev, M. W. Jakubowski, M. F. M. de Bock, S. Bozhenkov, C. Busch, M. von Hellermann, R. Jaspers, Y. Kikuchi, A. Krämer-Flecken, M. Lehnen, D. Schega, O. Schmitz, K. H. Spatschek, B. Unterberg, A. Wingen, R. C. Wolf, and O. Zimmermann (the TEXTOR team)

Phys. Rev. Lett. 98, 065001 (2007) - Published 5 February, 2007

Observations of Plasmons in Warm Dense Matter

S. H. Glenzer, O. L. Landen, P. Neumayer, R. W. Lee, K. Widmann, S. W. Pollaine, R. J. Wallace, G. Gregori, A. Höll, T. Bornath, R. Thiele, V. Schwarz, W.-D. Kraeft, and R. Redmer

Phys. Rev. Lett. 98, 065002 (2007) - Published 9 February, 2007

Wire Initiation Critical for Radiation Symmetry in $Z$ -Pinch–Driven Dynamic Hohlraums

T. W. L. Sanford, C. A. Jennings, G. A. Rochau, S. E. Rosenthal, G. S. Sarkisov, P. V. Sasorov, W. A. Stygar, L. F. Bennett, D. E. Bliss, J. P. Chittenden, M. E. Cuneo, M. G. Haines, R. J. Leeper, R. C. Mock, T. J. Nash, and D. L. Peterson

Phys. Rev. Lett. 98, 065003 (2007) - Published 9 February, 2007

Condensed Matter: Structure, etc.

Dynamic Fluctuations and Static Speckle in Critical X-Ray Scattering from ${SrTiO}_{3}$

M. Holt, M. Sutton, P. Zschack, H. Hong, and T.-C. Chiang

Phys. Rev. Lett. 98, 065501 (2007) - Published 6 February, 2007

Controlled Contact to a $C_{60}$ Molecule

N. Néel, J. Kröger, L. Limot, T. Frederiksen, M. Brandbyge, and R. Berndt

Phys. Rev. Lett. 98, 065502 (2007) - Published 7 February, 2007

EDITORS' SUGGESTION

Stiff Response of Aluminum under Ultrafast Shockless Compression to 110 GPA

Raymond F. Smith, Jon H. Eggert, Alan Jankowski, Peter M. Celliers, M. John Edwards, Yogendra M. Gupta, James R. Asay, and Gilbert W. Collins

Phys. Rev. Lett. 98, 065701 (2007) - Published 6 February, 2007

Dependence of Charge Injection on Temperature, Electric Field, and Energetic Disorder in an Organic Semiconductor

Tse Nga Ng, William R. Silveira, and John A. Marohn

Phys. Rev. Lett. 98, 066101 (2007) - Published 5 February, 2007

Photo-Oxidation of Polyhydroxyl Molecules on ${TiO}_{2}$ Surfaces: From Hole Scavenging to Light-Induced Self-Assembly of ${TiO}_{2}$ -Cyclodextrin Wires

Mao-Hua Du, Jun Feng, and S. B. Zhang

Phys. Rev. Lett. 98, 066102 (2007) - Published 5 February, 2007

Self-Assembled MnN Superstructure

Xiangdong Liu, Bin Lu, Takushi Iimori, Kan Nakatsuji, and Fumio Komori

Phys. Rev. Lett. 98, 066103 (2007) - Published 7 February, 2007

Alignment of Ge Nanoislands on Si(111) by Ga-Induced Substrate Self-Patterning

Th. Schmidt, J. I. Flege, S. Gangopadhyay, T. Clausen, A. Locatelli, S. Heun, and J. Falta

Phys. Rev. Lett. 98, 066104 (2007) - Published 9 February, 2007

Fluctuations of Permeable Interfaces in Water-in-Water Emulsions

Leonard M. C. Sagis

Phys. Rev. Lett. 98, 066105 (2007) - Published 9 February, 2007

Condensed Matter: Electronic Properties, etc.

Efficient and Accurate Car-Parrinello-like Approach to Born-Oppenheimer Molecular Dynamics

Thomas D. Kühne, Matthias Krack, Fawzi R. Mohamed, and Michele Parrinello

Phys. Rev. Lett. 98, 066401 (2007) - Published 5 February, 2007

Wigner Crystallization in $(DI − DCNQI)_{2} Ag$ Detected by Synchrotron Radiation X-Ray Diffraction

T. Kakiuchi, Y. Wakabayashi, H. Sawa, T. Itou, and K. Kanoda

Phys. Rev. Lett. 98, 066402 (2007) - Published 6 February, 2007

Dispersion of the Composite-Fermion Cyclotron-Resonance Mode

I. V. Kukushkin, J. H. Smet, D. Schuh, W. Wegscheider, and K. von Klitzing

Phys. Rev. Lett. 98, 066403 (2007) - Published 7 February, 2007

Electron Bunching in Transport through Quantum Dots in a High Magnetic Field

O. Zarchin, Y. C. Chung, M. Heiblum, D. Rohrlich, and V. Umansky

Phys. Rev. Lett. 98, 066801 (2007) - Published 6 February, 2007

Magnetic Confinement of Massless Dirac Fermions in Graphene

A. De Martino, L. Dell’Anna, and R. Egger

Phys. Rev. Lett. 98, 066802 (2007) - Published 6 February, 2007

Quantum-Trajectory Approach to Time-Dependent Transport in Mesoscopic Systems with Electron-Electron Interactions

X. Oriols

Phys. Rev. Lett. 98, 066803 (2007) - Published 7 February, 2007

New Family of Models for Incompressible Quantum Liquids in $d \geq 2$

Chyh-Hong Chern and Dung-Hai Lee

Phys. Rev. Lett. 98, 066804 (2007) - Published 7 February, 2007

Astability and Negative Differential Resistance of the Wigner Solid

G. A. Csáthy, D. C. Tsui, L. N. Pfeiffer, and K. W. West

Phys. Rev. Lett. 98, 066805 (2007) - Published 7 February, 2007

Signatures of Discontinuity in the Exchange-Correlation Energy Functional Derived from the Subband Electronic Structure of Semiconductor Quantum Wells

S. Rigamonti and C. R. Proetto

Phys. Rev. Lett. 98, 066806 (2007) - Published 7 February, 2007

Negative Differential Resistance in Transport through Organic Molecules on Silicon

Su Ying Quek, J. B. Neaton, Mark S. Hybertsen, Efthimios Kaxiras, and Steven G. Louie

Phys. Rev. Lett. 98, 066807 (2007) - Published 8 February, 2007

Fractionalization into Merons in Quantum Dots

A. Petković and M. V. Milovanović

Phys. Rev. Lett. 98, 066808 (2007) - Published 9 February, 2007

Measurement of Local Magnetic Fields in the ${CuO}_{2}$ Planes of ${CuBa}_{2} {YCu}_{2} O_{7 - δ}$ Superconductors

J. Lindén, M. Karppinen, I. Grigoravičiūtė, and H. Yamauchi

Phys. Rev. Lett. 98, 067001 (2007) - Published 5 February, 2007

Enhancement of Superconductivity and Evidence of Structural Instability in Intercalated Graphite ${CaC}_{6}$ under High Pressure

A. Gauzzi, S. Takashima, N. Takeshita, C. Terakura, H. Takagi, N. Emery, C. Hérold, P. Lagrange, and G. Loupias

Phys. Rev. Lett. 98, 067002 (2007) - Published 6 February, 2007

Bulk Evidence for Single-Gap $s$ -Wave Superconductivity in the Intercalated Graphite Superconductor $C_{6} Yb$

Mike Sutherland, Nicolas Doiron-Leyraud, Louis Taillefer, Thomas Weller, Mark Ellerby, and S. S. Saxena

Phys. Rev. Lett. 98, 067003 (2007) - Published 6 February, 2007

Universal High Energy Anomaly in the Angle-Resolved Photoemission Spectra of High Temperature Superconductors: Possible Evidence of Spinon and Holon Branches

J. Graf, G.-H. Gweon, K. McElroy, S. Y. Zhou, C. Jozwiak, E. Rotenberg, A. Bill, T. Sasagawa, H. Eisaki, S. Uchida, H. Takagi, D.-H. Lee, and A. Lanzara

Phys. Rev. Lett. 98, 067004 (2007) - Published 7 February, 2007