Volume 102, Issue 16

24 April 2009

Browse Issues:

On the Cover

A colony of Volvox alga swimming up against a glass coverslip, viewed from above. The fluid streamlines shown illustrate the flow driven by the flagella that cover the surface of the colony.

From the article:

Dancing Volvox: Hydrodynamic Bound States of Swimming Algae
Knut Drescher, Kyriacos C. Leptos, Idan Tuval, Takuji Ishikawa, Timothy J. Pedley, and Raymond E. Goldstein
Phys. Rev. Lett. 102, 168101 (2009)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Spectral Dimension of the Universe in Quantum Gravity at a Lifshitz Point

Petr Hořava

Phys. Rev. Lett. 102, 161301 (2009) - Published 20 April, 2009

FEATURED IN PHYSICS

Half-Metallic Semi-Dirac-Point Generated by Quantum Confinement in ${TiO}_{2} / {VO}_{2}$ Nanostructures

Victor Pardo and Warren E. Pickett

Phys. Rev. Lett. 102, 166803 (2009) - Published 22 April, 2009

EDITORS' SUGGESTION

Prospects for a Millihertz-Linewidth Laser

D. Meiser, Jun Ye, D. R. Carlson, and M. J. Holland

Phys. Rev. Lett. 102, 163601 (2009) - Published 20 April, 2009

EDITORS' SUGGESTION

Quantum Manifestations of Graphene Edge Stress and Edge Instability: A First-Principles Study

Bing Huang, Miao Liu, Ninghai Su, Jian Wu, Wenhui Duan, Bing-lin Gu, and Feng Liu

Phys. Rev. Lett. 102, 166404 (2009) - Published 22 April, 2009

EDITORS' SUGGESTION

Dancing Volvox: Hydrodynamic Bound States of Swimming Algae

Knut Drescher, Kyriacos C. Leptos, Idan Tuval, Takuji Ishikawa, Timothy J. Pedley, and Raymond E. Goldstein

Phys. Rev. Lett. 102, 168101 (2009) - Published 20 April, 2009

EDITORS' SUGGESTION

High-Resolution Probing of Cellular Force Transmission

Daisuke Mizuno, Rommel Bacabac, Catherine Tardin, David Head, and Christoph F. Schmidt

Phys. Rev. Lett. 102, 168102 (2009) - Published 20 April, 2009

LETTERS

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

Virial Expansion for a Strongly Correlated Fermi Gas

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

Phys. Rev. Lett. 102, 160401 (2009) - Published 22 April, 2009

Exact Solution for Infinitely Strongly Interacting Fermi Gases in Tight Waveguides

Liming Guan, Shu Chen, Yupeng Wang, and Zhong-Qi Ma

Phys. Rev. Lett. 102, 160402 (2009) - Published 22 April, 2009

Nonlocality Distillation and Postquantum Theories with Trivial Communication Complexity

Nicolas Brunner and Paul Skrzypczyk

Phys. Rev. Lett. 102, 160403 (2009) - Published 24 April, 2009

Distance Dependence of Entanglement Generation via a Bosonic Heat Bath

Thomas Zell, Friedemann Queisser, and Rochus Klesse

Phys. Rev. Lett. 102, 160501 (2009) - Published 20 April, 2009

Experimental Quantum Process Discrimination

Anthony Laing, Terry Rudolph, and Jeremy L. O’Brien

Phys. Rev. Lett. 102, 160502 (2009) - Published 24 April, 2009

Far-from-Equilibrium State in a Weakly Dissipative Model

Eric Bertin and Olivier Dauchot

Phys. Rev. Lett. 102, 160601 (2009) - Published 22 April, 2009

Localization of the Maximal Entropy Random Walk

Z. Burda, J. Duda, J. M. Luck, and B. Waclaw

Phys. Rev. Lett. 102, 160602 (2009) - Published 23 April, 2009

Gravitation and Astrophysics

Gravitational-Wave Background as a Probe of the Primordial Black-Hole Abundance

Ryo Saito and Jun’ichi Yokoyama

Phys. Rev. Lett. 102, 161101 (2009) - Published 23 April, 2009

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Spectral Dimension of the Universe in Quantum Gravity at a Lifshitz Point

Petr Hořava

Phys. Rev. Lett. 102, 161301 (2009) - Published 20 April, 2009

Parity Violation Constraints Using Cosmic Microwave Background Polarization Spectra from 2006 and 2007 Observations by the QUaD Polarimeter

E. Y. S. Wu et al. (QUaD Collaboration)

Phys. Rev. Lett. 102, 161302 (2009) - Published 21 April, 2009

Elementary Particles and Fields

Emergent Calabi-Yau Geometry

Hirosi Ooguri and Masahito Yamazaki

Phys. Rev. Lett. 102, 161601 (2009) - Published 21 April, 2009

Evidence of $W W$ and $W Z$ Production with $lepton + jets$ Final States in $p \bar{p}$ Collisions at $\sqrt{s} = 1.96 TeV$

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

Phys. Rev. Lett. 102, 161801 (2009) - Published 21 April, 2009

Search for Long-Lived Charged Massive Particles with the D0 Detector

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

Phys. Rev. Lett. 102, 161802 (2009) - Published 22 April, 2009

Measurement of $B \to X γ$ Decays and Determination of $| V_{t d} / V_{t s} |$

B. Aubert et al. (BABAR Collaboration)

Phys. Rev. Lett. 102, 161803 (2009) - Published 23 April, 2009

Infrared Singularities of Scattering Amplitudes in Perturbative QCD

Thomas Becher and Matthias Neubert

Phys. Rev. Lett. 102, 162001 (2009) - Published 23 April, 2009

QCD Corrections to $e^{+} e^{-} \to J / ψ + g g$ at $B$ Factories

Yan-Qing Ma, Yu-Jie Zhang, and Kuang-Ta Chao

Phys. Rev. Lett. 102, 162002 (2009) - Published 24 April, 2009

Next-to-Leading-Order QCD Corrections to $e^{+} e^{-} \to J / ψ g g$ at the $B$ Factories

Bin Gong and Jian-Xiong Wang

Phys. Rev. Lett. 102, 162003 (2009) - Published 24 April, 2009

Nuclear Physics

Role of the Final-State Interaction and Three-Body Force on the Longitudinal Response Function of ${}^{4}{He}$

Sonia Bacca, Nir Barnea, Winfried Leidemann, and Giuseppina Orlandini

Phys. Rev. Lett. 102, 162501 (2009) - Published 22 April, 2009

Identification of Key Astrophysical Resonances Relevant for the ${}^{26 g}{Al} (p, γ) {}^{27}{Si}$ Reaction in Wolf-Rayet Stars, AGB stars, and Classical Novae

G. Lotay, P. J. Woods, D. Seweryniak, M. P. Carpenter, R. V. F. Janssens, and S. Zhu

Phys. Rev. Lett. 102, 162502 (2009) - Published 22 April, 2009

Discovery of a New Broad Resonance in ${}^{19}{Ne}$ : Implications for the Destruction of the Cosmic $γ$ -Ray Emitter ${}^{18}F$

J. C. Dalouzy, L. Achouri, M. Aliotta, C. Angulo, H. Benhabiles, C. Borcea, R. Borcea, P. Bourgault, A. Buta, A. Coc, A. Damman, T. Davinson, F. de Grancey, F. de Oliveira Santos, N. de Séréville, J. Kiener, M. G. Pellegriti, F. Negoita, A. M. Sánchez-Benítez, O. Sorlin, M. Stanoiu, I. Stefan, and P. J. Woods

Phys. Rev. Lett. 102, 162503 (2009) - Published 22 April, 2009

Enhanced Radiative Strength in the Quasicontinuum of ${}^{117}{Sn}$

U. Agvaanluvsan, A. C. Larsen, R. Chankova, M. Guttormsen, G. E. Mitchell, A. Schiller, S. Siem, and A. Voinov

Phys. Rev. Lett. 102, 162504 (2009) - Published 22 April, 2009

Atomic, Molecular, and Optical Physics

Radiative Rate Enhancements in Ensembles of Hybrid Metal-Semiconductor Nanostructures

Yikuan Wang, Tianyu Yang, Mark T. Tuominen, and Marc Achermann

Phys. Rev. Lett. 102, 163001 (2009) - Published 23 April, 2009

Extreme Ultraviolet Laser Excites Atomic Giant Resonance

M. Richter, M. Ya. Amusia, S. V. Bobashev, T. Feigl, P. N. Juranić, M. Martins, A. A. Sorokin, and K. Tiedtke

Phys. Rev. Lett. 102, 163002 (2009) - Published 24 April, 2009

Electron Guiding through Insulating Nanocapillaries

K. Schiessl, K. Tőkési, B. Solleder, C. Lemell, and J. Burgdörfer

Phys. Rev. Lett. 102, 163201 (2009) - Published 23 April, 2009

EDITORS' SUGGESTION

Prospects for a Millihertz-Linewidth Laser

D. Meiser, Jun Ye, D. R. Carlson, and M. J. Holland

Phys. Rev. Lett. 102, 163601 (2009) - Published 20 April, 2009

Continuous Variable Entanglement and Squeezing of Orbital Angular Momentum States

M. Lassen, G. Leuchs, and U. L. Andersen

Phys. Rev. Lett. 102, 163602 (2009) - Published 23 April, 2009

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Microresonator Defects as Sources of Drifting Cavity Solitons

E. Caboche, F. Pedaci, P. Genevet, S. Barland, M. Giudici, J. Tredicce, G. Tissoni, and L. A. Lugiato

Phys. Rev. Lett. 102, 163901 (2009) - Published 22 April, 2009

Nonlinear Waves in Subwavelength Waveguide Arrays: Evanescent Bands and the “Phoenix Soliton”

Or Peleg, Mordechai Segev, Guy Bartal, Demetrios N. Christodoulides, and Nimrod Moiseyev

Phys. Rev. Lett. 102, 163902 (2009) - Published 23 April, 2009

Rolled-Up Three-Dimensional Metamaterials with a Tunable Plasma Frequency in the Visible Regime

Stephan Schwaiger, Markus Bröll, Andreas Krohn, Andrea Stemmann, Christian Heyn, Yuliya Stark, Daniel Stickler, Detlef Heitmann, and Stefan Mendach

Phys. Rev. Lett. 102, 163903 (2009) - Published 24 April, 2009

Instabilities and Ordered Patterns in Nonisothermal Ultrathin Bilayer Fluid Films

Alexander Nepomnyashchy and Ilya Simanovskii

Phys. Rev. Lett. 102, 164501 (2009) - Published 21 April, 2009

Micron-Scale Droplet Deposition on a Hydrophobic Surface Using a Retreating Syringe

Bian Qian, Melissa Loureiro, David A. Gagnon, Anubhav Tripathi, and Kenneth S. Breuer

Phys. Rev. Lett. 102, 164502 (2009) - Published 24 April, 2009

Plasma and Beam Physics

Controlling the Phase-Space Volume of Injected Electrons in a Laser-Plasma Accelerator

C. Rechatin, J. Faure, A. Ben-Ismail, J. Lim, R. Fitour, A. Specka, H. Videau, A. Tafzi, F. Burgy, and V. Malka

Phys. Rev. Lett. 102, 164801 (2009) - Published 24 April, 2009

Direct Measurement of Current Filament Structures in a Magnetic-Confinement Fusion Device

M. Spolaore, N. Vianello, M. Agostini, R. Cavazzana, E. Martines, P. Scarin, G. Serianni, E. Spada, M. Zuin, and V. Antoni

Phys. Rev. Lett. 102, 165001 (2009) - Published 20 April, 2009

Investigation into the Dual Role of Shear Flow in 2D MHD Turbulence

Andrew P. L. Newton and Eun-jin Kim

Phys. Rev. Lett. 102, 165002 (2009) - Published 22 April, 2009

Observation of Reversed Shear Alfvén Eigenmodes between Sawtooth Crashes in the Alcator C-Mod Tokamak

E. M. Edlund, M. Porkolab, G. J. Kramer, L. Lin, Y. Lin, and S. J. Wukitch

Phys. Rev. Lett. 102, 165003 (2009) - Published 22 April, 2009

Measurement of Short-Range Correlations in Shock-Compressed Plastic by Short-Pulse X-Ray Scattering

B. Barbrel, M. Koenig, A. Benuzzi-Mounaix, E. Brambrink, C. R. D. Brown, D. O. Gericke, B. Nagler, M. Rabec le Gloahec, D. Riley, C. Spindloe, S. M. Vinko, J. Vorberger, J. Wark, K. Wünsch, and G. Gregori

Phys. Rev. Lett. 102, 165004 (2009) - Published 23 April, 2009

Turbulence in the TORE SUPRA Tokamak: Measurements and Validation of Nonlinear Simulations

A. Casati, T. Gerbaud, P. Hennequin, C. Bourdelle, J. Candy, F. Clairet, X. Garbet, V. Grandgirard, Ö. D. Gürcan, S. Heuraux, G. T. Hoang, C. Honoré, F. Imbeaux, R. Sabot, Y. Sarazin, L. Vermare, and R. E. Waltz

Phys. Rev. Lett. 102, 165005 (2009) - Published 24 April, 2009

Condensed Matter: Structure, etc.

Fermi Condensates for Dynamic Imaging of Electromagnetic Fields

T. K. Koponen, J. Pasanen, and P. Törmä

Phys. Rev. Lett. 102, 165301 (2009) - Published 24 April, 2009

Three-Body Recombination in a Three-State Fermi Gas with Widely Tunable Interactions

J. H. Huckans, J. R. Williams, E. L. Hazlett, R. W. Stites, and K. M. O’Hara

Phys. Rev. Lett. 102, 165302 (2009) - Published 24 April, 2009

Network of Porosity Formed in Ultrafine-Grained Copper Produced by Equal Channel Angular Pressing

Jens Ribbe, Dietmar Baither, Guido Schmitz, and Sergiy V. Divinski

Phys. Rev. Lett. 102, 165501 (2009) - Published 20 April, 2009

Phonon Cooling of Nanomechanical Beams with Tunnel Junctions

P. J. Koppinen and I. J. Maasilta

Phys. Rev. Lett. 102, 165502 (2009) - Published 24 April, 2009

Enhanced Donor Binding Energy Close to a Semiconductor Surface

A. P. Wijnheijmer, J. K. Garleff, K. Teichmann, M. Wenderoth, S. Loth, R. G. Ulbrich, P. A. Maksym, M. Roy, and P. M. Koenraad

Phys. Rev. Lett. 102, 166101 (2009) - Published 21 April, 2009

Growth Mechanism of a 1D Molecular Line across the Dimer Rows on H-Terminated Si(001)

Jin-Ho Choi and Jun-Hyung Cho

Phys. Rev. Lett. 102, 166102 (2009) - Published 21 April, 2009

New Directions for Atomic Steps: Step Alignment by Grazing Incident Ion Beams on ${TiO}_{2} (110)$

Tim Luttrell, Wei-Kun Li, Xue-Qing Gong, and Matthias Batzill

Phys. Rev. Lett. 102, 166103 (2009) - Published 22 April, 2009

Two-Step Mechanism for Low-Temperature Oxidation of Vacancies in Graphene

Johan M. Carlsson, Felix Hanke, Suljo Linic, and Matthias Scheffler

Phys. Rev. Lett. 102, 166104 (2009) - Published 23 April, 2009

Condensed Matter: Electronic Properties, etc.

Graphite from the Viewpoint of Landau Level Spectroscopy: An Effective Graphene Bilayer and Monolayer

M. Orlita, C. Faugeras, J. M. Schneider, G. Martinez, D. K. Maude, and M. Potemski

Phys. Rev. Lett. 102, 166401 (2009) - Published 20 April, 2009

Two Energy Gaps and Fermi-Surface “Arcs” in ${NbSe}_{2}$

S. V. Borisenko, A. A. Kordyuk, V. B. Zabolotnyy, D. S. Inosov, D. Evtushinsky, B. Büchner, A. N. Yaresko, A. Varykhalov, R. Follath, W. Eberhardt, L. Patthey, and H. Berger

Phys. Rev. Lett. 102, 166402 (2009) - Published 20 April, 2009

Consistent Interpretation of the Low-Temperature Magnetotransport in Graphite Using the Slonczewski-Weiss-McClure 3D Band-Structure Calculations

J. M. Schneider, M. Orlita, M. Potemski, and D. K. Maude

Phys. Rev. Lett. 102, 166403 (2009) - Published 22 April, 2009

EDITORS' SUGGESTION

Quantum Manifestations of Graphene Edge Stress and Edge Instability: A First-Principles Study

Bing Huang, Miao Liu, Ninghai Su, Jian Wu, Wenhui Duan, Bing-lin Gu, and Feng Liu

Phys. Rev. Lett. 102, 166404 (2009) - Published 22 April, 2009

Finite-Size Scaling of Classical Long-Ranged Ising Chains and the Criticality of Dissipative Quantum Impurity Models

Stefan Kirchner, Qimiao Si, and Kevin Ingersent

Phys. Rev. Lett. 102, 166405 (2009) - Published 23 April, 2009

Compact Representations of Kohn-Sham Invariant Subspaces

François Gygi

Phys. Rev. Lett. 102, 166406 (2009) - Published 24 April, 2009

Giant Spin Rotation in the Junction between a Normal Metal and a Quantum Spin Hall System

Takehito Yokoyama, Yukio Tanaka, and Naoto Nagaosa

Phys. Rev. Lett. 102, 166801 (2009) - Published 21 April, 2009

Relaxation and Dephasing in a Two-Electron ${}^{13}C$ Nanotube Double Quantum Dot

H. O. H. Churchill, F. Kuemmeth, J. W. Harlow, A. J. Bestwick, E. I. Rashba, K. Flensberg, C. H. Stwertka, T. Taychatanapat, S. K. Watson, and C. M. Marcus

Phys. Rev. Lett. 102, 166802 (2009) - Published 22 April, 2009

FEATURED IN PHYSICS

Half-Metallic Semi-Dirac-Point Generated by Quantum Confinement in ${TiO}_{2} / {VO}_{2}$ Nanostructures

Victor Pardo and Warren E. Pickett

Phys. Rev. Lett. 102, 166803 (2009) - Published 22 April, 2009

Orbital Reconstruction and the Two-Dimensional Electron Gas at the ${LaAlO}_{3} / {SrTiO}_{3}$ Interface

M. Salluzzo, J. C. Cezar, N. B. Brookes, V. Bisogni, G. M. De Luca, C. Richter, S. Thiel, J. Mannhart, M. Huijben, A. Brinkman, G. Rijnders, and G. Ghiringhelli

Phys. Rev. Lett. 102, 166804 (2009) - Published 23 April, 2009

Conformal Field Theory Approach to Abelian and Non-Abelian Quantum Hall Quasielectrons

T. H. Hansson, M. Hermanns, N. Regnault, and S. Viefers

Phys. Rev. Lett. 102, 166805 (2009) - Published 23 April, 2009

Tunable Pseudogap Kondo Effect and Quantum Phase Transitions in Aharonov-Bohm Interferometers

Luis G. G. V. Dias da Silva, Nancy Sandler, Pascal Simon, Kevin Ingersent, and Sergio E. Ulloa

Phys. Rev. Lett. 102, 166806 (2009) - Published 24 April, 2009

Extraordinary Electron Propagation Length in a Metallic Double Chain Supported on a Metal Surface

Sergio Díaz-Tendero, Andrey G. Borisov, and Jean-Pierre Gauyacq

Phys. Rev. Lett. 102, 166807 (2009) - Published 24 April, 2009

Anomalous Thermoelectric Transport of Dirac Particles in Graphene

Peng Wei, Wenzhong Bao, Yong Pu, Chun Ning Lau, and Jing Shi

Phys. Rev. Lett. 102, 166808 (2009) - Published 24 April, 2009

Temperature and Doping-Dependent Renormalization Effects of the Low Energy Electronic Structure of ${Ba}_{1 - x} K_{x} {Fe}_{2} {As}_{2}$ Single Crystals

A. Koitzsch, D. S. Inosov, D. V. Evtushinsky, V. B. Zabolotnyy, A. A. Kordyuk, A. Kondrat, C. Hess, M. Knupfer, B. Büchner, G. L. Sun, V. Hinkov, C. T. Lin, A. Varykhalov, and S. V. Borisenko

Phys. Rev. Lett. 102, 167001 (2009) - Published 21 April, 2009

Emergence of Coherent Magnetic Excitations in the High Temperature Underdoped ${La}_{2 - x} {Sr}_{x} {CuO}_{4}$ Superconductor at Low Temperatures

O. J. Lipscombe, B. Vignolle, T. G. Perring, C. D. Frost, and S. M. Hayden

Phys. Rev. Lett. 102, 167002 (2009) - Published 22 April, 2009

Muon Spin Rotation and Relaxation in the Superconducting Ferromagnet UCoGe

A. de Visser, N. T. Huy, A. Gasparini, D. E. de Nijs, D. Andreica, C. Baines, and A. Amato

Phys. Rev. Lett. 102, 167003 (2009) - Published 22 April, 2009

Three- to Two-Dimensional Transition of the Electronic Structure in ${CaFe}_{2} {As}_{2}$ : A Parent Compound for an Iron Arsenic High-Temperature Superconductor

Chang Liu, Takeshi Kondo, Ni Ni, A. D. Palczewski, A. Bostwick, G. D. Samolyuk, R. Khasanov, M. Shi, E. Rotenberg, S. L. Bud’ko, P. C. Canfield, and A. Kaminski

Phys. Rev. Lett. 102, 167004 (2009) - Published 24 April, 2009

Impurity-Induced Frustration in Correlated Oxides

Cheng-Wei Liu, Shiu Liu, Ying-Jer Kao, A. L. Chernyshev, and Anders W. Sandvik

Phys. Rev. Lett. 102, 167201 (2009) - Published 21 April, 2009

Low-Temperature Heat Transport in the Low-Dimensional Quantum Magnet ${NiCl}_{2} − 4 SC ({NH}_{2})_{2}$

X. F. Sun, W. Tao, X. M. Wang, and C. Fan

Phys. Rev. Lett. 102, 167202 (2009) - Published 21 April, 2009

Adsorption-Induced Switching of Magnetic Anisotropy in a Single Iron(II) Phthalocyanine Molecule on an Oxidized Cu(110) Surface

Noriyuki Tsukahara, Ken-ichi Noto, Michiaki Ohara, Susumu Shiraki, Noriaki Takagi, Yasutaka Takata, Jun Miyawaki, Munetaka Taguchi, Ashish Chainani, Shik Shin, and Maki Kawai

Phys. Rev. Lett. 102, 167203 (2009) - Published 23 April, 2009

Realization of a Magnet Using an Antiferromagnetic Phase of Single-Chain Magnets

Claude Coulon, Rodolphe Clérac, Wolfgang Wernsdorfer, Thierry Colin, and Hitoshi Miyasaka

Phys. Rev. Lett. 102, 167204 (2009) - Published 24 April, 2009

Dispersion of Magnetic Excitations in the Cuprate ${La}_{2} {CuO}_{4}$ and ${CaCuO}_{2}$ Compounds Measured Using Resonant X-Ray Scattering

L. Braicovich, L. J. P. Ament, V. Bisogni, F. Forte, C. Aruta, G. Balestrino, N. B. Brookes, G. M. De Luca, P. G. Medaglia, F. Miletto Granozio, M. Radovic, M. Salluzzo, J. van den Brink, and G. Ghiringhelli

Phys. Rev. Lett. 102, 167401 (2009) - Published 20 April, 2009