Volume 102, Issue 17

1 May 2009

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On the Cover

Dense branching pattern formed when air is injected into a viscous fluid. Pattern shapes at long times can be selected by controlling the injection rate.

From the article:

Control of Viscous Fingering Patterns in a Radial Hele-Shaw Cell
Shuwang Li, John S. Lowengrub, Jake Fontana, and Peter Palffy-Muhoray
Phys. Rev. Lett. 102, 174501 (2009)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Ultrasensitive Beam Deflection Measurement via Interferometric Weak Value Amplification

P. Ben Dixon, David J. Starling, Andrew N. Jordan, and John C. Howell

Phys. Rev. Lett. 102, 173601 (2009) - Published 27 April, 2009

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Electron-Phonon Decoupling in Disordered Insulators

M. Ovadia, B. Sacépé, and D. Shahar

Phys. Rev. Lett. 102, 176802 (2009) - Published 28 April, 2009

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Jumps in Current-Voltage Characteristics in Disordered Films

Boris L. Altshuler, Vladimir E. Kravtsov, Igor V. Lerner, and Igor L. Aleiner

Phys. Rev. Lett. 102, 176803 (2009) - Published 28 April, 2009

FEATURED IN PHYSICS

Threshold of a Random Laser with Cold Atoms

Luis S. Froufe-Pérez, William Guerin, Rémi Carminati, and Robin Kaiser

Phys. Rev. Lett. 102, 173903 (2009) - Published 1 May, 2009

FEATURED IN PHYSICS

Directly Observing Squeezed Phonon States with Femtosecond X-Ray Diffraction

S. L. Johnson, P. Beaud, E. Vorobeva, C. J. Milne, É. D. Murray, S. Fahy, and G. Ingold

Phys. Rev. Lett. 102, 175503 (2009) - Published 27 April, 2009

FEATURED IN PHYSICS

Markov Analysis of Sleep Dynamics

J. W. Kim, J.-S. Lee, P. A. Robinson, and D.-U. Jeong

Phys. Rev. Lett. 102, 178104 (2009) - Published 1 May, 2009

EDITORS' SUGGESTION

Pressure-Induced Superconducting Phase in the Charge-Density-Wave Compound Terbium Tritelluride

J. J. Hamlin, D. A. Zocco, T. A. Sayles, M. B. Maple, J. -H. Chu, and I. R. Fisher

Phys. Rev. Lett. 102, 177002 (2009) - Published 28 April, 2009

LETTERS

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

Observation of a 2D Bose Gas: From Thermal to Quasicondensate to Superfluid

P. Cladé, C. Ryu, A. Ramanathan, K. Helmerson, and W. D. Phillips

Phys. Rev. Lett. 102, 170401 (2009) - Published 27 April, 2009

Particle-Accelerator Constraints on Isotropic Modifications of the Speed of Light

Michael A. Hohensee, Ralf Lehnert, David F. Phillips, and Ronald L. Walsworth

Phys. Rev. Lett. 102, 170402 (2009) - Published 1 May, 2009

Scalable, High-Speed Measurement-Based Quantum Computer Using Trapped Ions

René Stock and Daniel F. V. James

Phys. Rev. Lett. 102, 170501 (2009) - Published 28 April, 2009

Mesoscopic Rydberg Gate Based on Electromagnetically Induced Transparency

M. Müller, I. Lesanovsky, H. Weimer, H. P. Büchler, and P. Zoller

Phys. Rev. Lett. 102, 170502 (2009) - Published 28 April, 2009

Entanglement and Permutational Symmetry

Géza Tóth and Otfried Gühne

Phys. Rev. Lett. 102, 170503 (2009) - Published 1 May, 2009

Superheating in Granular Matter

F. Pacheco-Vázquez, Gabriel A. Caballero-Robledo, and J. C. Ruiz-Suárez

Phys. Rev. Lett. 102, 170601 (2009) - Published 28 April, 2009

Mutual Information and Boson Radius in a $c = 1$ Critical System in One Dimension

Shunsuke Furukawa, Vincent Pasquier, and Jun’ichi Shiraishi

Phys. Rev. Lett. 102, 170602 (2009) - Published 29 April, 2009

Gravitation and Astrophysics

Limits on Nonstandard Forces in the Submicrometer Range

M. Masuda and M. Sasaki

Phys. Rev. Lett. 102, 171101 (2009) - Published 30 April, 2009

Elementary Particles and Fields

Towards a Dynamical Understanding of the Non- $D \bar{D}$ Decay of $ψ (3770)$

Yuan-Jiang Zhang, Gang Li, and Qiang Zhao

Phys. Rev. Lett. 102, 172001 (2009) - Published 27 April, 2009

Measurements of $\vec{H} \vec{D} (\vec{γ}, π)$ and Implications for the Convergence of the Gerasimov-Drell-Hern Integral

S. Hoblit et al. (LEGS-Spin Collaboration)

Phys. Rev. Lett. 102, 172002 (2009) - Published 30 April, 2009

Partonic Pole Matrix Elements for Fragmentation

S. Meißner and A. Metz

Phys. Rev. Lett. 102, 172003 (2009) - Published 1 May, 2009

Nuclear Physics

Measurement of the Transverse Polarization of Electrons Emitted in Free-Neutron Decay

A. Kozela, G. Ban, A. Białek, K. Bodek, P. Gorel, K. Kirch, St. Kistryn, M. Kuźniak, O. Naviliat-Cuncic, J. Pulut, N. Severijns, E. Stephan, and J. Zejma

Phys. Rev. Lett. 102, 172301 (2009) - Published 1 May, 2009

Shear-Viscosity to Entropy-Density Ratio of a Relativistic Hadron Gas

Nasser Demir and Steffen A. Bass

Phys. Rev. Lett. 102, 172302 (2009) - Published 1 May, 2009

Why Is Sideband Mass Spectrometry Possible with Ions in a Penning Trap?

G. Gabrielse

Phys. Rev. Lett. 102, 172501 (2009) - Published 27 April, 2009

Atomic, Molecular, and Optical Physics

Ultra-Long-Range Rydberg Trimers with a Repulsive Two-Body Interaction

Ivan C. H. Liu, Jovica Stanojevic, and Jan M. Rost

Phys. Rev. Lett. 102, 173001 (2009) - Published 29 April, 2009

Strong Field Double Ionization: The Phase Space Perspective

F. Mauger, C. Chandre, and T. Uzer

Phys. Rev. Lett. 102, 173002 (2009) - Published 1 May, 2009

Coupling between Positron-Atom Scattering Channels above the First Inelastic Threshold

P. G. Coleman, N. Cheesman, and E. R. Lowry

Phys. Rev. Lett. 102, 173201 (2009) - Published 1 May, 2009

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Ultrasensitive Beam Deflection Measurement via Interferometric Weak Value Amplification

P. Ben Dixon, David J. Starling, Andrew N. Jordan, and John C. Howell

Phys. Rev. Lett. 102, 173601 (2009) - Published 27 April, 2009

Microwave Photon Detector in Circuit QED

G. Romero, J. J. García-Ripoll, and E. Solano

Phys. Rev. Lett. 102, 173602 (2009) - Published 29 April, 2009

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Subwavelength Imaging Using Conducting Sheets

Cesar Monzon

Phys. Rev. Lett. 102, 173901 (2009) - Published 28 April, 2009

All-Optical Analog to Electromagnetically Induced Transparency in Multiple Coupled Photonic Crystal Cavities

Xiaodong Yang, Mingbin Yu, Dim-Lee Kwong, and Chee Wei Wong

Phys. Rev. Lett. 102, 173902 (2009) - Published 30 April, 2009

FEATURED IN PHYSICS

Threshold of a Random Laser with Cold Atoms

Luis S. Froufe-Pérez, William Guerin, Rémi Carminati, and Robin Kaiser

Phys. Rev. Lett. 102, 173903 (2009) - Published 1 May, 2009

Control of Viscous Fingering Patterns in a Radial Hele-Shaw Cell

Shuwang Li, John S. Lowengrub, Jake Fontana, and Peter Palffy-Muhoray

Phys. Rev. Lett. 102, 174501 (2009) - Published 30 April, 2009

Plasma and Beam Physics

Helical Electron-Beam Microbunching by Harmonic Coupling in a Helical Undulator

E. Hemsing, P. Musumeci, S. Reiche, R. Tikhoplav, A. Marinelli, J. B. Rosenzweig, and A. Gover

Phys. Rev. Lett. 102, 174801 (2009) - Published 29 April, 2009

Preferential Heating and Acceleration of $α$ Particles by Alfvén-Cyclotron Waves

J. A. Araneda, Y. Maneva, and E. Marsch

Phys. Rev. Lett. 102, 175001 (2009) - Published 27 April, 2009

Experimental Study of the Ion Critical-Gradient Length and Stiffness Level and the Impact of Rotation in the JET Tokamak

P. Mantica, D. Strintzi, T. Tala, C. Giroud, T. Johnson, H. Leggate, E. Lerche, T. Loarer, A. G. Peeters, A. Salmi, S. Sharapov, D. Van Eester, P. C. de Vries, L. Zabeo, and K.-D. Zastrow

Phys. Rev. Lett. 102, 175002 (2009) - Published 29 April, 2009

Self-Guiding of Ultrashort, Relativistically Intense Laser Pulses through Underdense Plasmas in the Blowout Regime

J. E. Ralph, K. A. Marsh, A. E. Pak, W. Lu, C. E. Clayton, F. Fang, W. B. Mori, and C. Joshi

Phys. Rev. Lett. 102, 175003 (2009) - Published 30 April, 2009

Condensed Matter: Structure, etc.

Micromechanical Model for Deformation in Solids with Universal Predictions for Stress-Strain Curves and Slip Avalanches

Karin A. Dahmen, Yehuda Ben-Zion, and Jonathan T. Uhl

Phys. Rev. Lett. 102, 175501 (2009) - Published 27 April, 2009

Oxygen Exchange at the Internal Surface of Amorphous ${SiO}_{2}$ Studied by Photoluminescence of Isotopically Labeled Oxygen Molecules

Koichi Kajihara, Taisuke Miura, Hayato Kamioka, Masahiro Hirano, Linards Skuja, and Hideo Hosono

Phys. Rev. Lett. 102, 175502 (2009) - Published 27 April, 2009

FEATURED IN PHYSICS

Directly Observing Squeezed Phonon States with Femtosecond X-Ray Diffraction

S. L. Johnson, P. Beaud, E. Vorobeva, C. J. Milne, É. D. Murray, S. Fahy, and G. Ingold

Phys. Rev. Lett. 102, 175503 (2009) - Published 27 April, 2009

First Experimental Observation of Shear Induced hcp to bcc Transformation in Pure Zr

M. T. Pérez-Prado and A. P. Zhilyaev

Phys. Rev. Lett. 102, 175504 (2009) - Published 28 April, 2009

Mechanical Properties of Beams from Self-Assembled Closely Packed and Aligned Single-Walled Carbon Nanotubes

Yuhei Hayamizu, Robert C. Davis, Takeo Yamada, Don N. Futaba, Satoshi Yasuda, Motoo Yumura, and Kenji Hata

Phys. Rev. Lett. 102, 175505 (2009) - Published 28 April, 2009

Superhard Monoclinic Polymorph of Carbon

Quan Li, Yanming Ma, Artem R. Oganov, Hongbo Wang, Hui Wang, Ying Xu, Tian Cui, Ho-Kwang Mao, and Guangtian Zou

Phys. Rev. Lett. 102, 175506 (2009) - Published 29 April, 2009

$q$ Breathers in Finite Lattices: Nonlinearity and Weak Disorder

M. V. Ivanchenko

Phys. Rev. Lett. 102, 175507 (2009) - Published 30 April, 2009

Resonant Oscillation of Misch-Metal Atoms in Filled Skutterudites

Yaguo Wang, Xianfan Xu, and Jihui Yang

Phys. Rev. Lett. 102, 175508 (2009) - Published 1 May, 2009

Efficient First-Principles Simulation of Noncontact Atomic Force Microscopy for Structural Analysis

T.-L. Chan, C. Z. Wang, K. M. Ho, and James R. Chelikowsky

Phys. Rev. Lett. 102, 176101 (2009) - Published 1 May, 2009

Direct Observation of Molecular Orbitals of Pentacene Physisorbed on Au(111) by Scanning Tunneling Microscope

W.-H. Soe, C. Manzano, A. De Sarkar, N. Chandrasekhar, and C. Joachim

Phys. Rev. Lett. 102, 176102 (2009) - Published 1 May, 2009

Condensed Matter: Electronic Properties, etc.

Dynamics and Transport of the $Z_{2}$ Spin Liquid: Application to $κ − (ET)_{2} {Cu}_{2} (CN)_{3}$

Yang Qi, Cenke Xu, and Subir Sachdev

Phys. Rev. Lett. 102, 176401 (2009) - Published 29 April, 2009

Downfolded Self-Energy of Many-Electron Systems

F. Aryasetiawan, J. M. Tomczak, T. Miyake, and R. Sakuma

Phys. Rev. Lett. 102, 176402 (2009) - Published 30 April, 2009

Effect of the Zero-Mode Landau Level on Interlayer Magnetoresistance in Multilayer Massless Dirac Fermion Systems

Naoya Tajima, Shigeharu Sugawara, Reizo Kato, Yutaka Nishio, and Koji Kajita

Phys. Rev. Lett. 102, 176403 (2009) - Published 30 April, 2009

Emergent Lorentz Symmetry with Vanishing Velocity in a Critical Two-Subband Quantum Wire

M. Sitte, A. Rosch, J. S. Meyer, K. A. Matveev, and M. Garst

Phys. Rev. Lett. 102, 176404 (2009) - Published 30 April, 2009

Reexamination of the Temperature Dependences of Resonant Reflections in Highly Stoichiometric Magnetite

Joaquín García, Gloria Subías, Javier Herrero-Martín, Javier Blasco, Vera Cuartero, M. Concepción Sánchez, Claudio Mazzoli, and Flora Yakhou

Phys. Rev. Lett. 102, 176405 (2009) - Published 1 May, 2009

Spin-Polarized Inelastic Tunneling through Insulating Barriers

Y. Lu (陆沅), M. Tran, H. Jaffrès, P. Seneor, C. Deranlot, F. Petroff, J-M. George, B. Lépine, S. Ababou, and G. Jézéquel

Phys. Rev. Lett. 102, 176801 (2009) - Published 27 April, 2009

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Electron-Phonon Decoupling in Disordered Insulators

M. Ovadia, B. Sacépé, and D. Shahar

Phys. Rev. Lett. 102, 176802 (2009) - Published 28 April, 2009

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Jumps in Current-Voltage Characteristics in Disordered Films

Boris L. Altshuler, Vladimir E. Kravtsov, Igor V. Lerner, and Igor L. Aleiner

Phys. Rev. Lett. 102, 176803 (2009) - Published 28 April, 2009

Scanning Tunneling Spectroscopy of Graphene on Graphite

Guohong Li, Adina Luican, and Eva Y. Andrei

Phys. Rev. Lett. 102, 176804 (2009) - Published 29 April, 2009

Profiling the Interface Electron Gas of ${LaAlO}_{3} / {SrTiO}_{3}$ Heterostructures with Hard X-Ray Photoelectron Spectroscopy

M. Sing, G. Berner, K. Goß, A. Müller, A. Ruff, A. Wetscherek, S. Thiel, J. Mannhart, S. A. Pauli, C. W. Schneider, P. R. Willmott, M. Gorgoi, F. Schäfers, and R. Claessen

Phys. Rev. Lett. 102, 176805 (2009) - Published 30 April, 2009

Stationary and Transient Leakage Current in the Pauli Spin Blockade

F. Qassemi, W. A. Coish, and F. K. Wilhelm

Phys. Rev. Lett. 102, 176806 (2009) - Published 30 April, 2009

Observable Bulk Signatures of Non-Abelian Quantum Hall States

N. R. Cooper and Ady Stern

Phys. Rev. Lett. 102, 176807 (2009) - Published 30 April, 2009

Controlling Atomic Joints between Carbon Nanotubes by Electric Current

Atsuko Nagataki, Takazumi Kawai, Yoshiyuki Miyamoto, Osamu Suekane, and Yoshikazu Nakayama

Phys. Rev. Lett. 102, 176808 (2009) - Published 1 May, 2009

Broken Translational and Time-Reversal Symmetry in Unconventional Superconducting Films

A. B. Vorontsov

Phys. Rev. Lett. 102, 177001 (2009) - Published 27 April, 2009

EDITORS' SUGGESTION

Pressure-Induced Superconducting Phase in the Charge-Density-Wave Compound Terbium Tritelluride

J. J. Hamlin, D. A. Zocco, T. A. Sayles, M. B. Maple, J. -H. Chu, and I. R. Fisher

Phys. Rev. Lett. 102, 177002 (2009) - Published 28 April, 2009

First-Principles Calculations of the Electronic Structure of Tetragonal $α$ -FeTe and $α$ -FeSe Crystals: Evidence for a Bicollinear Antiferromagnetic Order

Fengjie Ma, Wei Ji, Jiangping Hu, Zhong-Yi Lu, and Tao Xiang

Phys. Rev. Lett. 102, 177003 (2009) - Published 29 April, 2009

Two-Component Dynamics of the Order Parameter of High Temperature ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8 + δ}$ Superconductors Revealed by Time-Resolved Raman Scattering

R. P. Saichu, I. Mahns, A. Goos, S. Binder, P. May, S. G. Singer, B. Schulz, A. Rusydi, J. Unterhinninghofen, D. Manske, P. Guptasarma, M. S. Williamsen, and M. Rübhausen

Phys. Rev. Lett. 102, 177004 (2009) - Published 29 April, 2009

Why Does Undoped FeSe Become a High- $T_{c}$ Superconductor under Pressure?

T. Imai, K. Ahilan, F. L. Ning, T. M. McQueen, and R. J. Cava

Phys. Rev. Lett. 102, 177005 (2009) - Published 29 April, 2009

Magnetic-Field-Induced Soft-Mode Quantum Phase Transition in the High-Temperature Superconductor ${La}_{1.855} {Sr}_{0.145} {CuO}_{4}$ : An Inelastic Neutron-Scattering Study

J. Chang, N. B. Christensen, Ch. Niedermayer, K. Lefmann, H. M. Rønnow, D. F. McMorrow, A. Schneidewind, P. Link, A. Hiess, M. Boehm, R. Mottl, S. Pailhés, N. Momono, M. Oda, M. Ido, and J. Mesot

Phys. Rev. Lett. 102, 177006 (2009) - Published 30 April, 2009

Unconventional Nonequilibrium Dynamics in ${Ni}_{10}$ Magnetic Molecules: Evidence from NMR

M. Belesi, E. Micotti, M. Mariani, F. Borsa, A. Lascialfari, S. Carretta, P. Santini, G. Amoretti, E. J. L. McInnes, I. S. Tidmarsh, and J. R. Hawkett

Phys. Rev. Lett. 102, 177201 (2009) - Published 28 April, 2009