Volume 98, Issue 16

20 April 2007

Browse Issues:

On the Cover

Vacuum diagrams for a maximally supersymmetric gravity theory. These three-loop diagrams show unexpected cancellations, suggesting it could be a perturbatively finite theory of quantum gravity.

From the article:

Cancellations Beyond Finiteness in $N = 8$ Supergravity at Three Loops
Z. Bern, J. J. Carrasco, L. J. Dixon, H. Johansson, D. A. Kosower, and R. Roiban
Phys. Rev. Lett. 98, 161303 (2007)

HIGHLIGHTED ARTICLES

EDITORS' SUGGESTION

Discriminating States: The Quantum Chernoff Bound

K. M. R. Audenaert, J. Calsamiglia, R. Muñoz-Tapia, E. Bagan, Ll. Masanes, A. Acin, and F. Verstraete

Phys. Rev. Lett. 98, 160501 (2007) - Published 17 April, 2007

EDITORS' SUGGESTION

Cancellations Beyond Finiteness in $N = 8$ Supergravity at Three Loops

Z. Bern, J. J. Carrasco, L. J. Dixon, H. Johansson, D. A. Kosower, and R. Roiban

Phys. Rev. Lett. 98, 161303 (2007) - Published 19 April, 2007

EDITORS' SUGGESTION

Observation of $W Z$ Production

A. Abulencia et al. (CDF Collaboration)

Phys. Rev. Lett. 98, 161801 (2007) - Published 19 April, 2007

EDITORS' SUGGESTION

$B_{80}$ Fullerene: An Ab Initio Prediction of Geometry, Stability, and Electronic Structure

Nevill Gonzalez Szwacki, Arta Sadrzadeh, and Boris I. Yakobson

Phys. Rev. Lett. 98, 166804 (2007) - Published 20 April, 2007

LETTERS

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

Optimal Stochastic Enhancement of Photoionization

Kamal P. Singh and Jan M. Rost

Phys. Rev. Lett. 98, 160201 (2007) - Published 20 April, 2007

Optimal Quantum Estimation of Loss in Bosonic Channels

Alex Monras and Matteo G. A. Paris

Phys. Rev. Lett. 98, 160401 (2007) - Published 17 April, 2007

Polarized Fermi Condensates with Unequal Masses: Tuning the Tricritical Point

M. M. Parish, F. M. Marchetti, A. Lamacraft, and B. D. Simons

Phys. Rev. Lett. 98, 160402 (2007) - Published 18 April, 2007

Impossibility of the Counterfactual Computation for All Possible Outcomes

L. Vaidman

Phys. Rev. Lett. 98, 160403 (2007) - Published 18 April, 2007

Quantum Quenches in a Spinor Condensate

Austen Lamacraft

Phys. Rev. Lett. 98, 160404 (2007) - Published 18 April, 2007

Color Superfluidity and “Baryon” Formation in Ultracold Fermions

Ákos Rapp, Gergely Zaránd, Carsten Honerkamp, and Walter Hofstetter

Phys. Rev. Lett. 98, 160405 (2007) - Published 18 April, 2007

Finite de Finetti Theorem for Infinite-Dimensional Systems

Christian D’Cruz, Tobias J. Osborne, and Rüdiger Schack

Phys. Rev. Lett. 98, 160406 (2007) - Published 19 April, 2007

Quasienergy Anholonomy and its Application to Adiabatic Quantum State Manipulation

Atushi Tanaka and Manabu Miyamoto

Phys. Rev. Lett. 98, 160407 (2007) - Published 19 April, 2007

Uniaxial and Biaxial Spin Nematic Phases Induced by Quantum Fluctuations

Jun Liang Song, Gordon W. Semenoff, and Fei Zhou

Phys. Rev. Lett. 98, 160408 (2007) - Published 20 April, 2007

Interacting Anyons in Topological Quantum Liquids: The Golden Chain

Adrian Feiguin, Simon Trebst, Andreas W. W. Ludwig, Matthias Troyer, Alexei Kitaev, Zhenghan Wang, and Michael H. Freedman

Phys. Rev. Lett. 98, 160409 (2007) - Published 20 April, 2007

EDITORS' SUGGESTION

Discriminating States: The Quantum Chernoff Bound

K. M. R. Audenaert, J. Calsamiglia, R. Muñoz-Tapia, E. Bagan, Ll. Masanes, A. Acin, and F. Verstraete

Phys. Rev. Lett. 98, 160501 (2007) - Published 17 April, 2007

Topological Computation without Braiding

H. Bombin and M. A. Martin-Delgado

Phys. Rev. Lett. 98, 160502 (2007) - Published 19 April, 2007

Casimir-Force-Driven Ratchets

T. Emig

Phys. Rev. Lett. 98, 160801 (2007) - Published 18 April, 2007

Gravitation and Astrophysics

Unified TeV Scale Picture of Baryogenesis and Dark Matter

K. S. Babu, R. N. Mohapatra, and Salah Nasri

Phys. Rev. Lett. 98, 161301 (2007) - Published 16 April, 2007

Complex Hybrid Inflation and Baryogenesis

David Delepine, Carlos Martínez, and L. Arturo Ureña-López

Phys. Rev. Lett. 98, 161302 (2007) - Published 17 April, 2007

EDITORS' SUGGESTION

Cancellations Beyond Finiteness in $N = 8$ Supergravity at Three Loops

Z. Bern, J. J. Carrasco, L. J. Dixon, H. Johansson, D. A. Kosower, and R. Roiban

Phys. Rev. Lett. 98, 161303 (2007) - Published 19 April, 2007

Axino Dark Matter from $Q$ -Balls in Affleck-Dine Baryogenesis and the $Ω_{b} - Ω_{DM}$ Coincidence Problem

Leszek Roszkowski and Osamu Seto

Phys. Rev. Lett. 98, 161304 (2007) - Published 19 April, 2007

Elementary Particles and Fields

EDITORS' SUGGESTION

Observation of $W Z$ Production

A. Abulencia et al. (CDF Collaboration)

Phys. Rev. Lett. 98, 161801 (2007) - Published 19 April, 2007

Nuclear Physics

Scaling Properties of Azimuthal Anisotropy in $Au + Au$ and $Cu + Cu$ Collisions at $\sqrt{s_{NN}} = 200 GeV$

A. Adare et al. (PHENIX Collaboration)

Phys. Rev. Lett. 98, 162301 (2007) - Published 16 April, 2007

Ramsey Method of Separated Oscillatory Fields for High-Precision Penning Trap Mass Spectrometry

S. George, S. Baruah, B. Blank, K. Blaum, M. Breitenfeldt, U. Hager, F. Herfurth, A. Herlert, A. Kellerbauer, H.-J. Kluge, M. Kretzschmar, D. Lunney, R. Savreux, S. Schwarz, L. Schweikhard, and C. Yazidjian

Phys. Rev. Lett. 98, 162501 (2007) - Published 16 April, 2007

Four-Body Calculation of Proton- ${}^{3}{He}$ Scattering

A. Deltuva and A. C. Fonseca

Phys. Rev. Lett. 98, 162502 (2007) - Published 18 April, 2007

Evidence for Symplectic Symmetry in Ab Initio No-Core Shell Model Results for Light Nuclei

Tomáš Dytrych, Kristina D. Sviratcheva, Chairul Bahri, Jerry P. Draayer, and James P. Vary

Phys. Rev. Lett. 98, 162503 (2007) - Published 20 April, 2007

Atomic, Molecular, and Optical Physics

Above Threshold Dissociation of Vibrationally Cold ${HD}^{+}$ Molecules

P. A. Orr, I. D. Williams, J. B. Greenwood, I. C. E. Turcu, W. A. Bryan, J. Pedregosa-Gutierrez, and C. W. Walter

Phys. Rev. Lett. 98, 163001 (2007) - Published 19 April, 2007

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Enhanced Transmission and Reflection of Few-Cycle Pulses by a Single Slit

M. Mechler, O. Samek, and S. V. Kukhlevsky

Phys. Rev. Lett. 98, 163901 (2007) - Published 20 April, 2007

Displacement Echoes: Classical Decay and Quantum Freeze

Cyril Petitjean, Diego V. Bevilaqua, Eric J. Heller, and Philippe Jacquod

Phys. Rev. Lett. 98, 164101 (2007) - Published 18 April, 2007

Observation of Two-Wave Structure in Strongly Nonlinear Dissipative Granular Chains

Alexandre Rosas, Aldo H. Romero, Vitali F. Nesterenko, and Katja Lindenberg

Phys. Rev. Lett. 98, 164301 (2007) - Published 18 April, 2007

Taylor Dispersion with Absorbing Boundaries: A Stochastic Approach

Rudro R. Biswas and Pabitra N. Sen

Phys. Rev. Lett. 98, 164501 (2007) - Published 17 April, 2007

Gravity-Free Hydraulic Jumps and Metal Femtoliter Cups

Manikandan Mathur, Ratul DasGupta, N. R. Selvi, Neena Susan John, G. U. Kulkarni, and Rama Govindarajan

Phys. Rev. Lett. 98, 164502 (2007) - Published 17 April, 2007

Turbulent Diamagnetism in Flowing Liquid Sodium

E. J. Spence, M. D. Nornberg, C. M. Jacobson, C. A. Parada, N. Z. Taylor, R. D. Kendrick, and C. B. Forest

Phys. Rev. Lett. 98, 164503 (2007) - Published 19 April, 2007

Plasma and Beam Physics

Feasibility of an Electron-Based Crystalline Undulator

Mehdi Tabrizi, Andrei V. Korol, Andrey V. Solov’yov, and Walter Greiner

Phys. Rev. Lett. 98, 164801 (2007) - Published 18 April, 2007

Ultrashort-Pulse Child-Langmuir Law in the Quantum and Relativistic Regimes

L. K. Ang and P. Zhang

Phys. Rev. Lett. 98, 164802 (2007) - Published 19 April, 2007

Experimental Evidence of a Zonal Magnetic Field in a Toroidal Plasma

A. Fujisawa, K. Itoh, A. Shimizu, H. Nakano, S. Ohshima, H. Iguchi, K. Matsuoka, S. Okamura, T. Minami, Y. Yoshimura, K. Nagaoka, K. Ida, K. Toi, C. Takahashi, M. Kojima, S. Nishimura, M. Isobe, C. Suzuki, T. Akiyama, Y. Nagashima, S.-I. Itoh, and P. H. Diamond

Phys. Rev. Lett. 98, 165001 (2007) - Published 18 April, 2007

Condensed Matter: Structure, etc.

Ostwald Ripening, Chiral Crystallization, and the Common-Ancestor Effect

Julyan H. E. Cartwright, Oreste Piro, and Idan Tuval

Phys. Rev. Lett. 98, 165501 (2007) - Published 16 April, 2007

Linear Grain Growth Kinetics and Rotation in Nanocrystalline Ni

Diana Farkas, Som Mohanty, and Joshua Monk

Phys. Rev. Lett. 98, 165502 (2007) - Published 18 April, 2007

Pressure-Driven “Molecular Metal” to “Atomic Metal” Transition in Crystalline Ga

E. L. Gromnitskaya, O. F. Yagafarov, O. V. Stalgorova, V. V. Brazhkin, and A. G. Lyapin

Phys. Rev. Lett. 98, 165503 (2007) - Published 19 April, 2007

Experimental Evidence for a New Parameter to Control the Glass Transition of Confined Polymers

S. Srivastava and J. K. Basu

Phys. Rev. Lett. 98, 165701 (2007) - Published 20 April, 2007

Alloying Mechanisms for Epitaxial Nanocrystals

M. S. Leite, G. Medeiros-Ribeiro, T. I. Kamins, and R. Stanley Williams

Phys. Rev. Lett. 98, 165901 (2007) - Published 18 April, 2007

Polarization Effects on the Surface Chemistry of ${PbTiO}_{3}$ -Supported Pt Films

Alexie M. Kolpak, Ilya Grinberg, and Andrew M. Rappe

Phys. Rev. Lett. 98, 166101 (2007) - Published 16 April, 2007

New Self-Limiting Assembly Model for Si Quantum Rings on Si(100)

L. W. Yu, K. J. Chen, J. Song, J. Xu, W. Li, X. F. Li, J. M. Wang, and X. F. Huang

Phys. Rev. Lett. 98, 166102 (2007) - Published 18 April, 2007

Spatial Variations in Submolecular Vibronic Spectroscopy on a Thin Insulating Film

N. Ogawa, G. Mikaelian, and W. Ho

Phys. Rev. Lett. 98, 166103 (2007) - Published 20 April, 2007

Identification of $Ge / Si$ Intermixing Processes at the $Bi / Ge / Si (111)$ Surface

Neelima Paul, Sergey Filimonov, Vasily Cherepanov, Mehmet Çakmak, and Bert Voigtländer

Phys. Rev. Lett. 98, 166104 (2007) - Published 20 April, 2007

Dynamics and Hysteresis of the Contact Line between Liquid Hydrogen and Cesium Substrates

E. Rolley and C. Guthmann

Phys. Rev. Lett. 98, 166105 (2007) - Published 20 April, 2007

Condensed Matter: Electronic Properties, etc.

Length-Dependent Conductance of a Spin-Incoherent Hubbard Chain: Monte Carlo Calculations

Olav F. Syljuåsen

Phys. Rev. Lett. 98, 166401 (2007) - Published 17 April, 2007

Doped Mott Insulator as the Origin of Heavy-Fermion Behavior in ${LiV}_{2} O_{4}$

R. Arita, K. Held, A. V. Lukoyanov, and V. I. Anisimov

Phys. Rev. Lett. 98, 166402 (2007) - Published 17 April, 2007

Revealing Charge Density Wave Formation in the ${LaTe}_{2}$ System by Angle Resolved Photoemission Spectroscopy

D. R. Garcia, G.-H. Gweon, S. Y. Zhou, J. Graf, C. M. Jozwiak, M. H. Jung, Y. S. Kwon, and A. Lanzara

Phys. Rev. Lett. 98, 166403 (2007) - Published 18 April, 2007

Field-Induced Fermi Surface Reconstruction and Adiabatic Continuity between Antiferromagnetism and the Hidden-Order State in ${URu}_{2} {Si}_{2}$

Y. J. Jo, L. Balicas, C. Capan, K. Behnia, P. Lejay, J. Flouquet, J. A. Mydosh, and P. Schlottmann

Phys. Rev. Lett. 98, 166404 (2007) - Published 18 April, 2007

Excitonic Condensation under Spin-Orbit Coupling and BEC-BCS Crossover

T. Hakioğlu and Mehmet Şahin

Phys. Rev. Lett. 98, 166405 (2007) - Published 20 April, 2007

Mesoscopic Magnetic States in Metallic Alloys with Strong Electronic Correlations: A Percolative Scenario for ${CeNi}_{1 - x} {Cu}_{x}$

N. Marcano, J. C. Gómez Sal, J. I. Espeso, J. M. De Teresa, P. A. Algarabel, C. Paulsen, and J. R. Iglesias

Phys. Rev. Lett. 98, 166406 (2007) - Published 20 April, 2007

Impact of Space-Energy Correlation on Variable Range Hopping in a Transistor

J.-F. Morizur, Y. Ono, H. Kageshima, H. Inokawa, and H. Yamaguchi

Phys. Rev. Lett. 98, 166601 (2007) - Published 19 April, 2007

Oscillating Nernst-Ettingshausen Effect in Bismuth across the Quantum Limit

Kamran Behnia, Marie-Aude Méasson, and Yakov Kopelevich

Phys. Rev. Lett. 98, 166602 (2007) - Published 20 April, 2007

Magnetothermoelectric Response at a Superfluid–Mott-Insulator Transition

M. J. Bhaseen, A. G. Green, and S. L. Sondhi

Phys. Rev. Lett. 98, 166801 (2007) - Published 18 April, 2007

Electric Field Effect Tuning of Electron-Phonon Coupling in Graphene

Jun Yan, Yuanbo Zhang, Philip Kim, and Aron Pinczuk

Phys. Rev. Lett. 98, 166802 (2007) - Published 18 April, 2007

Terahertz Current Oscillations in Single-Walled Zigzag Carbon Nanotubes

Akin Akturk, Neil Goldsman, Gary Pennington, and Alma Wickenden

Phys. Rev. Lett. 98, 166803 (2007) - Published 19 April, 2007

EDITORS' SUGGESTION

$B_{80}$ Fullerene: An Ab Initio Prediction of Geometry, Stability, and Electronic Structure

Nevill Gonzalez Szwacki, Arta Sadrzadeh, and Boris I. Yakobson

Phys. Rev. Lett. 98, 166804 (2007) - Published 20 April, 2007

Elucidation of the Electronic Structure of Semiconducting Single-Walled Carbon Nanotubes by Electroabsorption Spectroscopy

Hongbo Zhao and Sumit Mazumdar

Phys. Rev. Lett. 98, 166805 (2007) - Published 20 April, 2007

Relaxation Time of a Chiral Quantum $R − L$ Circuit

J. Gabelli, G. Fève, T. Kontos, J.-M. Berroir, B. Placais, D. C. Glattli, B. Etienne, Y. Jin, and M. Büttiker

Phys. Rev. Lett. 98, 166806 (2007) - Published 20 April, 2007

Magnetic-Field Effects on the Size of Vortices below the Surface of ${NbSe}_{2}$ Detected Using Low Energy $β$ -NMR

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

Phys. Rev. Lett. 98, 167001 (2007) - Published 16 April, 2007

Topological Change of the Fermi Surface in Low-Density Rashba Gases: Application to Superconductivity

E. Cappelluti, C. Grimaldi, and F. Marsiglio

Phys. Rev. Lett. 98, 167002 (2007) - Published 17 April, 2007

High-Energy Kink Observed in the Electron Dispersion of High-Temperature Cuprate Superconductors

T. Valla, T. E. Kidd, W.-G. Yin, G. D. Gu, P. D. Johnson, Z.-H. Pan, and A. V. Fedorov

Phys. Rev. Lett. 98, 167003 (2007) - Published 18 April, 2007

Interplay of Anisotropy and Disorder in the Doping-Dependent Melting and Glass Transitions of Vortices in ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8 + δ}$

H. Beidenkopf, T. Verdene, Y. Myasoedov, H. Shtrikman, E. Zeldov, B. Rosenstein, D. Li, and T. Tamegai

Phys. Rev. Lett. 98, 167004 (2007) - Published 20 April, 2007

Soft Matter, Biological, and Interdisciplinary Physics

Rheological Observation of Glassy Dynamics of Dilute Polymer Solutions near the Coil-Stretch Transition in Elongational Flows

T. Sridhar, D. A. Nguyen, R. Prabhakar, and J. Ravi Prakash

Phys. Rev. Lett. 98, 167801 (2007) - Published 20 April, 2007

ERRATA

Erratum: Evidence for Macroscopic Quantum Tunneling of Phase Slips in Long One-Dimensional Superconducting Al Wires [Phys. Rev. Lett. 97, 017001 (2006)]

Fabio Altomare, A. M. Chang, Michael R. Melloch, Yuguang Hong, and Charles W. Tu

Phys. Rev. Lett. 98, 169901 (2007) - Published 16 April, 2007