Volume 98, Issue 4

26 January 2007

Browse Issues:

On the Cover

Contour plot for the field of two Skyrmions that have collided. The broken contours imply conversion of the Skyrmions into Nielsen-Olesen strings.

From the article:

Intercommutation of Semilocal Strings and Skyrmions
Pablo Laguna, Vishnu Natchu, Richard A. Matzner, and Tanmay Vachaspati
Phys. Rev. Lett. 98, 041602 (2007)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Generation of a Magnetic Field by Dynamo Action in a Turbulent Flow of Liquid Sodium

R. Monchaux, M. Berhanu, M. Bourgoin, M. Moulin, Ph. Odier, J.-F. Pinton, R. Volk, S. Fauve, N. Mordant, F. Pétrélis, A. Chiffaudel, F. Daviaud, B. Dubrulle, C. Gasquet, L. Marié, and F. Ravelet

Phys. Rev. Lett. 98, 044502 (2007) - Published 25 January, 2007

FEATURED IN PHYSICS

Evidence for In-Medium Modification of the $ϕ$ Meson at Normal Nuclear Density

R. Muto et al. (KEK-PS E325 Collaboration)

Phys. Rev. Lett. 98, 042501 (2007) - Published 23 January, 2007

EDITORS' SUGGESTION

Experimental Discrimination between Charge $2 e / 3$ Top Quark and Charge $4 e / 3$ Exotic Quark Production Scenarios

V. M. Abazov et al. (D0 Collaboration)

Phys. Rev. Lett. 98, 041801 (2007) - Published 22 January, 2007

EDITORS' SUGGESTION

Interferences from Fast Electron Emission in Molecular Photoionization

J. Fernández, O. Fojón, A. Palacios, and F. Martín

Phys. Rev. Lett. 98, 043005 (2007) - Published 26 January, 2007

EDITORS' SUGGESTION

All-Optical Delay of Images using Slow Light

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

Phys. Rev. Lett. 98, 043902 (2007) - Published 22 January, 2007

EDITORS' SUGGESTION

Crystalline Order in Superfluid ${}^{3}{He}$ Films

A. B. Vorontsov and J. A. Sauls

Phys. Rev. Lett. 98, 045301 (2007) - Published 22 January, 2007

EDITORS' SUGGESTION

Single-Electron Population and Depopulation of an Isolated Quantum Dot Using a Surface-Acoustic-Wave Pulse

M. Kataoka, R. J. Schneble, A. L. Thorn, C. H. W. Barnes, C. J. B. Ford, D. Anderson, G. A. C. Jones, I. Farrer, D. A. Ritchie, and M. Pepper

Phys. Rev. Lett. 98, 046801 (2007) - Published 22 January, 2007

LETTERS

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

Precision Measurements of Collective Oscillations in the BEC-BCS Crossover

A. Altmeyer, S. Riedl, C. Kohstall, M. J. Wright, R. Geursen, M. Bartenstein, C. Chin, J. Hecker Denschlag, and R. Grimm

Phys. Rev. Lett. 98, 040401 (2007) - Published 22 January, 2007

Extended Coherence Time with Atom-Number Squeezed States

Wei Li, Ari K. Tuchman, Hui-Chun Chien, and Mark A. Kasevich

Phys. Rev. Lett. 98, 040402 (2007) - Published 23 January, 2007

Faster than Hermitian Quantum Mechanics

Carl M. Bender, Dorje C. Brody, Hugh F. Jones, and Bernhard K. Meister

Phys. Rev. Lett. 98, 040403 (2007) - Published 24 January, 2007

Rigorous Derivation of the Gross-Pitaevskii Equation

László Erdős, Benjamin Schlein, and Horng-Tzer Yau

Phys. Rev. Lett. 98, 040404 (2007) - Published 26 January, 2007

Resilient Quantum Computation in Correlated Environments: A Quantum Phase Transition Perspective

E. Novais, Eduardo R. Mucciolo, and Harold U. Baranger

Phys. Rev. Lett. 98, 040501 (2007) - Published 23 January, 2007

Absolute Negative Mobility Induced by Thermal Equilibrium Fluctuations

L. Machura, M. Kostur, P. Talkner, J. Łuczka, and P. Hänggi

Phys. Rev. Lett. 98, 040601 (2007) - Published 22 January, 2007

Wang-Landau Multibondic Cluster Simulations for Second-Order Phase Transitions

Bernd A. Berg and Wolfhard Janke

Phys. Rev. Lett. 98, 040602 (2007) - Published 22 January, 2007

Limit on the Temporal Variation of the Fine-Structure Constant Using Atomic Dysprosium

A. Cingöz, A. Lapierre, A.-T. Nguyen, N. Leefer, D. Budker, S. K. Lamoreaux, and J. R. Torgerson

Phys. Rev. Lett. 98, 040801 (2007) - Published 26 January, 2007

Elementary Particles and Fields

Falsifying Models of New Physics via $W W$ Scattering

Jacques Distler, Benjamin Grinstein, Rafael A. Porto, and Ira Z. Rothstein

Phys. Rev. Lett. 98, 041601 (2007) - Published 22 January, 2007

Intercommutation of Semilocal Strings and Skyrmions

Pablo Laguna, Vishnu Natchu, Richard A. Matzner, and Tanmay Vachaspati

Phys. Rev. Lett. 98, 041602 (2007) - Published 22 January, 2007

Vacuum Čerenkov Radiation in Lorentz-Violating Theories Without $C P T$ Violation

Brett Altschul

Phys. Rev. Lett. 98, 041603 (2007) - Published 22 January, 2007

EDITORS' SUGGESTION

Experimental Discrimination between Charge $2 e / 3$ Top Quark and Charge $4 e / 3$ Exotic Quark Production Scenarios

V. M. Abazov et al. (D0 Collaboration)

Phys. Rev. Lett. 98, 041801 (2007) - Published 22 January, 2007

Nuclear Physics

FEATURED IN PHYSICS

Evidence for In-Medium Modification of the $ϕ$ Meson at Normal Nuclear Density

R. Muto et al. (KEK-PS E325 Collaboration)

Phys. Rev. Lett. 98, 042501 (2007) - Published 23 January, 2007

Atomic, Molecular, and Optical Physics

Atomic Homodyne Detection of Weak Atomic Transitions

Mevan Gunawardena and D. S. Elliott

Phys. Rev. Lett. 98, 043001 (2007) - Published 22 January, 2007

Evaluation of Laser-Assisted Bremsstrahlung with Dirac-Volkov Propagators

Erik Lötstedt, Ulrich D. Jentschura, and Christoph H. Keitel

Phys. Rev. Lett. 98, 043002 (2007) - Published 22 January, 2007

Linear Stark Shift in Dressed Atoms as a Signal to Measure a Nuclear Anapole Moment with a Cold-Atom Fountain or Interferometer

Marie-Anne Bouchiat

Phys. Rev. Lett. 98, 043003 (2007) - Published 23 January, 2007

Cold Collision Frequency Shift in Two-Dimensional Atomic Hydrogen

J. Ahokas, J. Järvinen, and S. Vasiliev

Phys. Rev. Lett. 98, 043004 (2007) - Published 24 January, 2007

EDITORS' SUGGESTION

Interferences from Fast Electron Emission in Molecular Photoionization

J. Fernández, O. Fojón, A. Palacios, and F. Martín

Phys. Rev. Lett. 98, 043005 (2007) - Published 26 January, 2007

Coherent Optical Transfer of Feshbach Molecules to a Lower Vibrational State

K. Winkler, F. Lang, G. Thalhammer, P. v. d. Straten, R. Grimm, and J. Hecker Denschlag

Phys. Rev. Lett. 98, 043201 (2007) - Published 25 January, 2007

Structure Determination of Medium-Sized Sodium Clusters

Oleg Kostko, Bernd Huber, Michael Moseler, and Bernd von Issendorff

Phys. Rev. Lett. 98, 043401 (2007) - Published 22 January, 2007

Multiparticle State Tomography: Hidden Differences

R. B. A. Adamson, L. K. Shalm, M. W. Mitchell, and A. M. Steinberg

Phys. Rev. Lett. 98, 043601 (2007) - Published 22 January, 2007

Strong-Field Spatial Interference in a Tailored Electromagnetic Bath

Mihai Macovei, Jörg Evers, Gao-xiang Li, and Christoph H. Keitel

Phys. Rev. Lett. 98, 043602 (2007) - Published 24 January, 2007

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Counterpropagating Spatial Solitons in Reflection Gratings with a Longitudinally Modulated Kerr Nonlinearity

A. Ciattoni, C. Rizza, E. DelRe, and E. Palange

Phys. Rev. Lett. 98, 043901 (2007) - Published 22 January, 2007

EDITORS' SUGGESTION

All-Optical Delay of Images using Slow Light

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

Phys. Rev. Lett. 98, 043902 (2007) - Published 22 January, 2007

Unified Microscopic-Macroscopic Formulation of High-Order Difference-Frequency Mixing in Plasmas

Oren Cohen, Tenio Popmintchev, David M. Gaudiosi, Margaret M. Murnane, and Henry C. Kapteyn

Phys. Rev. Lett. 98, 043903 (2007) - Published 24 January, 2007

Nonsequential Double Recombination in Intense Laser Fields

P. Koval, F. Wilken, D. Bauer, and C. H. Keitel

Phys. Rev. Lett. 98, 043904 (2007) - Published 24 January, 2007

Far-Field Generation of Localized Light Fields using Absorbance Modulation

Rajesh Menon, Hsin-Yu Tsai, and Samuel W. Thomas, III

Phys. Rev. Lett. 98, 043905 (2007) - Published 25 January, 2007

Photon Statistics of Semiconductor Microcavity Lasers

S. M. Ulrich, C. Gies, S. Ates, J. Wiersig, S. Reitzenstein, C. Hofmann, A. Löffler, A. Forchel, F. Jahnke, and P. Michler

Phys. Rev. Lett. 98, 043906 (2007) - Published 25 January, 2007

Localized Multiphoton Emission of Femtosecond Electron Pulses from Metal Nanotips

C. Ropers, D. R. Solli, C. P. Schulz, C. Lienau, and T. Elsaesser

Phys. Rev. Lett. 98, 043907 (2007) - Published 25 January, 2007

Surface Plasmons Modulate the Spatial Coherence of Light in Young’s Interference Experiment

Choon How Gan, Greg Gbur, and Taco D. Visser

Phys. Rev. Lett. 98, 043908 (2007) - Published 25 January, 2007

New Role for Nonlinear Dynamics and Chaos in Integrated Semiconductor Laser Technology

M. Yousefi, Y. Barbarin, S. Beri, E. A. J. M. Bente, M. K. Smit, R. Nötzel, and D. Lenstra

Phys. Rev. Lett. 98, 044101 (2007) - Published 23 January, 2007

Stochastic Modeling of Experimental Chaotic Time Series

Thomas Stemler, Johannes P. Werner, Hartmut Benner, and Wolfram Just

Phys. Rev. Lett. 98, 044102 (2007) - Published 24 January, 2007

Periodic-Orbit Theory of Level Correlations

Stefan Heusler, Sebastian Müller, Alexander Altland, Petr Braun, and Fritz Haake

Phys. Rev. Lett. 98, 044103 (2007) - Published 25 January, 2007

Elastic Convection in Vibrated Viscoplastic Fluids

Hayato Shiba, Jori E. Ruppert-Felsot, Yoshiki Takahashi, Yoshihiro Murayama, Qi Ouyang, and Masaki Sano

Phys. Rev. Lett. 98, 044501 (2007) - Published 23 January, 2007

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Generation of a Magnetic Field by Dynamo Action in a Turbulent Flow of Liquid Sodium

R. Monchaux, M. Berhanu, M. Bourgoin, M. Moulin, Ph. Odier, J.-F. Pinton, R. Volk, S. Fauve, N. Mordant, F. Pétrélis, A. Chiffaudel, F. Daviaud, B. Dubrulle, C. Gasquet, L. Marié, and F. Ravelet

Phys. Rev. Lett. 98, 044502 (2007) - Published 25 January, 2007

Plasma and Beam Physics

Terahertz Radiation from a Nonlinear Slab Traversed by an Optical Pulse

N. N. Zinov’ev, A. S. Nikoghosyan, and J. M. Chamberlain

Phys. Rev. Lett. 98, 044801 (2007) - Published 24 January, 2007

Control of Strong-Laser-Field Coupling to Electrons in Solid Targets with Wavelength-Scale Spheres

H. A. Sumeruk, S. Kneip, D. R. Symes, I. V. Churina, A. V. Belolipetski, T. D. Donnelly, and T. Ditmire

Phys. Rev. Lett. 98, 045001 (2007) - Published 23 January, 2007

Comprehensive Diagnosis of Growth Rates of the Ablative Rayleigh-Taylor Instability

H. Azechi, T. Sakaiya, S. Fujioka, Y. Tamari, K. Otani, K. Shigemori, M. Nakai, H. Shiraga, N. Miyanaga, and K. Mima

Phys. Rev. Lett. 98, 045002 (2007) - Published 24 January, 2007

Condensed Matter: Structure, etc.

EDITORS' SUGGESTION

Crystalline Order in Superfluid ${}^{3}{He}$ Films

A. B. Vorontsov and J. A. Sauls

Phys. Rev. Lett. 98, 045301 (2007) - Published 22 January, 2007

Dopability, Intrinsic Conductivity, and Nonstoichiometry of Transparent Conducting Oxides

Stephan Lany and Alex Zunger

Phys. Rev. Lett. 98, 045501 (2007) - Published 23 January, 2007

Nondislocation Origin of GaAs Nanoindentation Pop-In Event

D. Chrobak, K. Nordlund, and R. Nowak

Phys. Rev. Lett. 98, 045502 (2007) - Published 23 January, 2007

Noblest of All Metals Is Structurally Unstable at High Pressure

L. Dubrovinsky, N. Dubrovinskaia, W. A. Crichton, A. S. Mikhaylushkin, S. I. Simak, I. A. Abrikosov, J. S. de Almeida, R. Ahuja, W. Luo, and B. Johansson

Phys. Rev. Lett. 98, 045503 (2007) - Published 25 January, 2007

First-Principles Statistical Mechanics Study of the Stability of a Subnanometer Thin Surface Oxide in Reactive Environments: CO Oxidation at Pd(100)

Jutta Rogal, Karsten Reuter, and Matthias Scheffler

Phys. Rev. Lett. 98, 046101 (2007) - Published 23 January, 2007

Multiscale Theory of Fluctuating Interfaces: Renormalization of Atomistic Models

Christoph A. Haselwandter and Dimitri D. Vvedensky

Phys. Rev. Lett. 98, 046102 (2007) - Published 23 January, 2007

Effects of Shadowing in Oblique-Incidence Metal (100) Epitaxial Growth

Yunsic Shim and Jacques G. Amar

Phys. Rev. Lett. 98, 046103 (2007) - Published 24 January, 2007

Single-Nucleus Polycrystallization in Thin Film Epitaxial Growth

J. T. Sadowski, G. Sazaki, S. Nishikata, A. Al-Mahboob, Y. Fujikawa, K. Nakajima, R. M. Tromp, and T. Sakurai

Phys. Rev. Lett. 98, 046104 (2007) - Published 25 January, 2007

Condensed Matter: Electronic Properties, etc.

Quasi-One-Dimensional K-O Chain in PTCDA Thin Films: Evidence from First-Principles Calculations

Costantino Zazza, Simone Meloni, Amedeo Palma, Martin Knupfer, Gonzalo G. Fuentes, and Roberto Car

Phys. Rev. Lett. 98, 046401 (2007) - Published 22 January, 2007

Exponential Localization of Wannier Functions in Insulators

Christian Brouder, Gianluca Panati, Matteo Calandra, Christophe Mourougane, and Nicola Marzari

Phys. Rev. Lett. 98, 046402 (2007) - Published 25 January, 2007

Quantum Monte Carlo Study of an Interaction-Driven Band-Insulator–to–Metal Transition

N. Paris, K. Bouadim, F. Hebert, G. G. Batrouni, and R. T. Scalettar

Phys. Rev. Lett. 98, 046403 (2007) - Published 25 January, 2007

Tunneling Anisotropic Magnetoresistance Driven by Resonant Surface States: First-Principles Calculations on an Fe(001) Surface

Athanasios N. Chantis, Kirill D. Belashchenko, Evgeny Y. Tsymbal, and Mark van Schilfgaarde

Phys. Rev. Lett. 98, 046601 (2007) - Published 24 January, 2007

Spin Extraction Theory and Its Relevance to Spintronics

H. Dery and L. J. Sham

Phys. Rev. Lett. 98, 046602 (2007) - Published 24 January, 2007

EDITORS' SUGGESTION

Single-Electron Population and Depopulation of an Isolated Quantum Dot Using a Surface-Acoustic-Wave Pulse

M. Kataoka, R. J. Schneble, A. L. Thorn, C. H. W. Barnes, C. J. B. Ford, D. Anderson, G. A. C. Jones, I. Farrer, D. A. Ritchie, and M. Pepper

Phys. Rev. Lett. 98, 046801 (2007) - Published 22 January, 2007

Atomic Dimer Shuttling and Two-Level Conductance Fluctuations in Nb Nanowires

Alexei Marchenkov, Zhenting Dai, Chun Zhang, Robert N. Barnett, and Uzi Landman

Phys. Rev. Lett. 98, 046802 (2007) - Published 22 January, 2007

Insights from Angle-Resolved Photoemission Spectroscopy of an Undoped Four-Layered Two-Gap High- $T_{c}$ Superconductor

Wenhui Xie, O. Jepsen, O. K. Andersen, Yulin Chen, and Z.-X. Shen

Phys. Rev. Lett. 98, 047001 (2007) - Published 22 January, 2007

Spin Triplet Superconducting State due to Broken Inversion Symmetry in ${Li}_{2} {Pt}_{3} B$

M. Nishiyama, Y. Inada, and Guo-qing Zheng

Phys. Rev. Lett. 98, 047002 (2007) - Published 23 January, 2007

Observation of a Superconducting Gap in Boron-Doped Diamond by Laser-Excited Photoemission Spectroscopy

K. Ishizaka, R. Eguchi, S. Tsuda, T. Yokoya, A. Chainani, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C.-T. Chen, C. Q. Zhang, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, and S. Shin

Phys. Rev. Lett. 98, 047003 (2007) - Published 23 January, 2007

Dephasing of a Superconducting Flux Qubit

K. Kakuyanagi, T. Meno, S. Saito, H. Nakano, K. Semba, H. Takayanagi, F. Deppe, and A. Shnirman

Phys. Rev. Lett. 98, 047004 (2007) - Published 23 January, 2007

Electron-Phonon Interaction via Electronic and Lattice Wannier Functions: Superconductivity in Boron-Doped Diamond Reexamined

Feliciano Giustino, Jonathan R. Yates, Ivo Souza, Marvin L. Cohen, and Steven G. Louie

Phys. Rev. Lett. 98, 047005 (2007) - Published 24 January, 2007

Rocking Ratchets in Two-Dimensional Josephson Networks: Collective Effects and Current Reversal

Verónica I. Marconi

Phys. Rev. Lett. 98, 047006 (2007) - Published 25 January, 2007

Stable Multidomain Structures Formed in the Process of Magnetization Reversal in GaMnAs Ferromagnetic Semiconductor Thin Films

D. Y. Shin, S. J. Chung, Sanghoon Lee, X. Liu, and J. K. Furdyna

Phys. Rev. Lett. 98, 047201 (2007) - Published 22 January, 2007

Experimental Observation of Fermi-Pasta-Ulam Recurrence in a Nonlinear Feedback Ring System

Mingzhong Wu and Carl E. Patton

Phys. Rev. Lett. 98, 047202 (2007) - Published 22 January, 2007

Fermi-Liquid versus Non-Fermi-Liquid Behavior in Triple Quantum Dots

Rok Žitko and Janez Bonča

Phys. Rev. Lett. 98, 047203 (2007) - Published 23 January, 2007

Metallic State in Cubic FeGe Beyond Its Quantum Phase Transition

P. Pedrazzini, H. Wilhelm, D. Jaccard, T. Jarlborg, M. Schmidt, M. Hanfland, L. Akselrud, H. Q. Yuan, U. Schwarz, Yu. Grin, and F. Steglich

Phys. Rev. Lett. 98, 047204 (2007) - Published 24 January, 2007

Magnetic Excitations in the Spin-1 Anisotropic Heisenberg Antiferromagnetic Chain System ${NiCl}_{2} − 4 SC ({NH}_{2})_{2}$

S. A. Zvyagin, J. Wosnitza, C. D. Batista, M. Tsukamoto, N. Kawashima, J. Krzystek, V. S. Zapf, M. Jaime, N. F. Oliveira, Jr., and A. Paduan-Filho

Phys. Rev. Lett. 98, 047205 (2007) - Published 26 January, 2007

Fast Initialization of the Spin State of an Electron in a Quantum Dot in the Voigt Configuration

C. Emary, Xiaodong Xu, D. G. Steel, S. Saikin, and L. J. Sham

Phys. Rev. Lett. 98, 047401 (2007) - Published 23 January, 2007

Multiphonon Raman Scattering from Individual Single-Walled Carbon Nanotubes

Feng Wang, Weitao Liu, Yang Wu, Matthew Y. Sfeir, Limin Huang, James Hone, Stephen O’Brien, Louis E. Brus, Tony F. Heinz, and Y. Ron Shen

Phys. Rev. Lett. 98, 047402 (2007) - Published 23 January, 2007

Ultrafast Optical Pumping of Spin and Orbital Polarizations in the Antiferromagnetic Mott Insulators $R_{2} {CuO}_{4}$

V. V. Pavlov, R. V. Pisarev, V. N. Gridnev, E. A. Zhukov, D. R. Yakovlev, and M. Bayer

Phys. Rev. Lett. 98, 047403 (2007) - Published 25 January, 2007

$β$ -NMR of Isolated Lithium in Nearly Ferromagnetic Palladium

T. J. Parolin, Z. Salman, J. Chakhalian, Q. Song, K. H. Chow, M. D. Hossain, T. A. Keeler, R. F. Kiefl, S. R. Kreitzman, C. D. P. Levy, R. I. Miller, G. D. Morris, M. R. Pearson, H. Saadaoui, D. Wang, and W. A. MacFarlane

Phys. Rev. Lett. 98, 047601 (2007) - Published 24 January, 2007