Volume 108, Issue 12

23 March 2012

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On the Cover

Image from scanning electron microscopy with polarization analysis of the magnetization of a Co layer sandwiched between Nb layers of a Josephson junction after undergoing a field-induced spin-flop transition. The polar histogram (right) shows the distribution (in gray) of magnetization angles in the image.

From the article:

Optimization of Spin-Triplet Supercurrent in Ferromagnetic Josephson Junctions
Carolin Klose, Trupti S. Khaire, Yixing Wang, W. P. Pratt, Jr., Norman O. Birge, B. J. McMorran, T. P. Ginley, J. A. Borchers, B. J. Kirby, B. B. Maranville, and J. Unguris
Phys. Rev. Lett. 108, 127002 (2012)

HIGHLIGHTED ARTICLES

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EDITORS' SUGGESTION

Extracting Dynamical Equations from Experimental Data is NP Hard

Toby S. Cubitt, Jens Eisert, and Michael M. Wolf

Phys. Rev. Lett. 108, 120503 (2012) - Published 22 March, 2012

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Cooling by Heating: Very Hot Thermal Light Can Significantly Cool Quantum Systems

A. Mari and J. Eisert

Phys. Rev. Lett. 108, 120602 (2012) - Published 23 March, 2012

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Cooling by Heating: Refrigeration Powered by Photons

B. Cleuren, B. Rutten, and C. Van den Broeck

Phys. Rev. Lett. 108, 120603 (2012) - Published 23 March, 2012

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Near-Room-Temperature Colossal Magnetodielectricity and Multiglass Properties in Partially Disordered ${La}_{2} {NiMnO}_{6}$

D. Choudhury, P. Mandal, R. Mathieu, A. Hazarika, S. Rajan, A. Sundaresan, U. V. Waghmare, R. Knut, O. Karis, P. Nordblad, and D. D. Sarma

Phys. Rev. Lett. 108, 127201 (2012) - Published 19 March, 2012

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Exploring Maps with Greedy Navigators

Sang Hoon Lee and Petter Holme

Phys. Rev. Lett. 108, 128701 (2012) - Published 22 March, 2012

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Proposal for Inverting the Quantum Cloning of Photons

Sadegh Raeisi, Wolfgang Tittel, and Christoph Simon

Phys. Rev. Lett. 108, 120404 (2012) - Published 22 March, 2012

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Single-Ion Nuclear Clock for Metrology at the 19th Decimal Place

C. J. Campbell, A. G. Radnaev, A. Kuzmich, V. A. Dzuba, V. V. Flambaum, and A. Derevianko

Phys. Rev. Lett. 108, 120802 (2012) - Published 22 March, 2012

EDITORS' SUGGESTION

Cavity Optomechanical Magnetometer

S. Forstner, S. Prams, J. Knittel, E. D. van Ooijen, J. D. Swaim, G. I. Harris, A. Szorkovszky, W. P. Bowen, and H. Rubinsztein-Dunlop

Phys. Rev. Lett. 108, 120801 (2012) - Published 21 March, 2012

LETTERS

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

Entanglement Entropy of Highly Degenerate States and Fractal Dimensions

Olalla A. Castro-Alvaredo and Benjamin Doyon

Phys. Rev. Lett. 108, 120401 (2012) - Published 19 March, 2012

Entangled and Sequential Quantum Protocols with Dephasing

Sergio Boixo and Chris Heunen

Phys. Rev. Lett. 108, 120402 (2012) - Published 21 March, 2012

Relativistic Hall Effect

Konstantin Y. Bliokh and Franco Nori

Phys. Rev. Lett. 108, 120403 (2012) - Published 21 March, 2012

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Proposal for Inverting the Quantum Cloning of Photons

Sadegh Raeisi, Wolfgang Tittel, and Christoph Simon

Phys. Rev. Lett. 108, 120404 (2012) - Published 22 March, 2012

Ultrafast Quantum Gates in Circuit QED

G. Romero, D. Ballester, Y. M. Wang, V. Scarani, and E. Solano

Phys. Rev. Lett. 108, 120501 (2012) - Published 19 March, 2012

Discord and Nonclassicality in Probabilistic Theories

Paolo Perinotti

Phys. Rev. Lett. 108, 120502 (2012) - Published 19 March, 2012

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EDITORS' SUGGESTION

Extracting Dynamical Equations from Experimental Data is NP Hard

Toby S. Cubitt, Jens Eisert, and Michael M. Wolf

Phys. Rev. Lett. 108, 120503 (2012) - Published 22 March, 2012

Inequalities Generalizing the Second Law of Thermodynamics for Transitions between Nonstationary States

Gatien Verley, Raphaël Chétrite, and David Lacoste

Phys. Rev. Lett. 108, 120601 (2012) - Published 23 March, 2012

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Cooling by Heating: Very Hot Thermal Light Can Significantly Cool Quantum Systems

A. Mari and J. Eisert

Phys. Rev. Lett. 108, 120602 (2012) - Published 23 March, 2012

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Cooling by Heating: Refrigeration Powered by Photons

B. Cleuren, B. Rutten, and C. Van den Broeck

Phys. Rev. Lett. 108, 120603 (2012) - Published 23 March, 2012

EDITORS' SUGGESTION

Cavity Optomechanical Magnetometer

S. Forstner, S. Prams, J. Knittel, E. D. van Ooijen, J. D. Swaim, G. I. Harris, A. Szorkovszky, W. P. Bowen, and H. Rubinsztein-Dunlop

Phys. Rev. Lett. 108, 120801 (2012) - Published 21 March, 2012

FEATURED IN PHYSICS

Single-Ion Nuclear Clock for Metrology at the 19th Decimal Place

C. J. Campbell, A. G. Radnaev, A. Kuzmich, V. A. Dzuba, V. V. Flambaum, and A. Derevianko

Phys. Rev. Lett. 108, 120802 (2012) - Published 22 March, 2012

Elementary Particles and Fields

No-Go Theorem for Critical Phenomena in Large- $N_{c}$ QCD

Yoshimasa Hidaka and Naoki Yamamoto

Phys. Rev. Lett. 108, 121601 (2012) - Published 19 March, 2012

Next-to-Next-to-Leading-Order Charm-Quark Contribution to the $C P$ Violation Parameter $ϵ_{K}$ and $Δ M_{K}$

Joachim Brod and Martin Gorbahn

Phys. Rev. Lett. 108, 121801 (2012) - Published 19 March, 2012

Search for Charged Massive Long-Lived Particles

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

Phys. Rev. Lett. 108, 121802 (2012) - Published 21 March, 2012

Observation of Two Charged Bottomoniumlike Resonances in $Υ (5 S)$ Decays

A. Bondar et al. (Belle Collaboration)

Phys. Rev. Lett. 108, 122001 (2012) - Published 20 March, 2012

Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of $π^{-}$ near the $Δ^{0}$ Resonance

D. Androić et al. (G0 Collaboration)

Phys. Rev. Lett. 108, 122002 (2012) - Published 20 March, 2012

Ratio $m_{c} / m_{s}$ with Wilson Fermions

Stephan Dürr and Giannis Koutsou

Phys. Rev. Lett. 108, 122003 (2012) - Published 20 March, 2012

Nuclear Physics

One-Loop Factorization for Inclusive Hadron Production in $p − A$ Collisions in the Saturation Formalism

Giovanni A. Chirilli, Bo-Wen Xiao, and Feng Yuan

Phys. Rev. Lett. 108, 122301 (2012) - Published 19 March, 2012

Probing Configuration Mixing in ${}^{12}{Be}$ with Gamow-Teller Transition Strengths

R. Meharchand, R. G. T. Zegers, B. A. Brown, Sam M. Austin, T. Baugher, D. Bazin, J. Deaven, A. Gade, G. F. Grinyer, C. J. Guess, M. E. Howard, H. Iwasaki, S. McDaniel, K. Meierbachtol, G. Perdikakis, J. Pereira, A. M. Prinke, A. Ratkiewicz, A. Signoracci, S. Stroberg, L. Valdez, P. Voss, K. A. Walsh, D. Weisshaar, and R. Winkler

Phys. Rev. Lett. 108, 122501 (2012) - Published 19 March, 2012

Precision Measurement of the ${}^{6}{He}$ Half-Life and the Weak Axial Current in Nuclei

A. Knecht, R. Hong, D. W. Zumwalt, B. G. Delbridge, A. García, P. Müller, H. E. Swanson, I. S. Towner, S. Utsuno, W. Williams, and C. Wrede

Phys. Rev. Lett. 108, 122502 (2012) - Published 23 March, 2012

X-Ray Fluorescence from the Element with Atomic Number $Z = 120$

M. O. Frégeau, D. Jacquet, M. Morjean, E. Bonnet, A. Chbihi, J. D. Frankland, M. F. Rivet, L. Tassan-Got, F. Dechery, A. Drouart, L. Nalpas, X. Ledoux, M. Parlog, C. Ciortea, D. Dumitriu, D. Fluerasu, M. Gugiu, F. Gramegna, V. L. Kravchuk, T. Marchi, D. Fabris, A. Corsi, and S. Barlini

Phys. Rev. Lett. 108, 122701 (2012) - Published 19 March, 2012

Atomic, Molecular, and Optical Physics

Real-Time Observation of Interference between Atomic One-Electron and Two-Electron Excitations

Henning Geiseler, Horst Rottke, Nickolai Zhavoronkov, and Wolfgang Sandner

Phys. Rev. Lett. 108, 123601 (2012) - Published 20 March, 2012

Controlled Dicke Subradiance from a Large Cloud of Two-Level Systems

Tom Bienaimé, Nicola Piovella, and Robin Kaiser

Phys. Rev. Lett. 108, 123602 (2012) - Published 23 March, 2012

Generation of Mesoscopic Entangled States in a Cavity Coupled to an Atomic Ensemble

G. Nikoghosyan, M. J. Hartmann, and M. B. Plenio

Phys. Rev. Lett. 108, 123603 (2012) - Published 23 March, 2012

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Giant Goos-Hänchen Effect and Fano Resonance at Photonic Crystal Surfaces

I. V. Soboleva, V. V. Moskalenko, and A. A. Fedyanin

Phys. Rev. Lett. 108, 123901 (2012) - Published 21 March, 2012

Two-Mode Correlation of Microwave Quantum Noise Generated by Parametric Down-Conversion

N. Bergeal, F. Schackert, L. Frunzio, and M. H. Devoret

Phys. Rev. Lett. 108, 123902 (2012) - Published 21 March, 2012

Generation of Elliptically Polarized Terahertz Waves from Laser-Induced Plasma with Double Helix Electrodes

Xiaofei Lu and X.-C. Zhang

Phys. Rev. Lett. 108, 123903 (2012) - Published 21 March, 2012

Generation of High-Energy Few-Cycle Laser Pulses by Using the Ionization-Induced Self-Compression Effect

S. A. Skobelev, A. V. Kim, and O. Willi

Phys. Rev. Lett. 108, 123904 (2012) - Published 20 March, 2012

Anisotropic Metamaterials for Full Control of Acoustic Waves

Johan Christensen and F. Javier García de Abajo

Phys. Rev. Lett. 108, 124301 (2012) - Published 23 March, 2012

Stability and Angular-Momentum Transport of Fluid Flows between Corotating Cylinders

M. Avila

Phys. Rev. Lett. 108, 124501 (2012) - Published 19 March, 2012

Plasma and Beam Physics

Strong Flux of Low-Energy Neutrons Produced by Thunderstorms

A. V. Gurevich, V. P. Antonova, A. P. Chubenko, A. N. Karashtin, G. G. Mitko, M. O. Ptitsyn, V. A. Ryabov, A. L. Shepetov, Yu. V. Shlyugaev, L. I. Vildanova, and K. P. Zybin

Phys. Rev. Lett. 108, 125001 (2012) - Published 19 March, 2012

Influence of Surface Waves on Plasma High-Order Harmonic Generation

Daniel an der Brügge, Naveen Kumar, Alexander Pukhov, and Christian Rödel

Phys. Rev. Lett. 108, 125002 (2012) - Published 19 March, 2012

Increasing Hydrodynamic Efficiency by Reducing Cross-Beam Energy Transfer in Direct-Drive-Implosion Experiments

D. H. Froula, I. V. Igumenshchev, D. T. Michel, D. H. Edgell, R. Follett, V. Yu. Glebov, V. N. Goncharov, J. Kwiatkowski, F. J. Marshall, P. B. Radha, W. Seka, C. Sorce, S. Stagnitto, C. Stoeckl, and T. C. Sangster

Phys. Rev. Lett. 108, 125003 (2012) - Published 21 March, 2012

Focusing of Relativistic Electrons in Dense Plasma Using a Resistivity-Gradient-Generated Magnetic Switchyard

A. P. L Robinson, M. H. Key, and M. Tabak

Phys. Rev. Lett. 108, 125004 (2012) - Published 20 March, 2012

Breaking of Longitudinal Akhiezer-Polovin Waves

Prabal Singh Verma, Sudip Sengupta, and Predhiman Kaw

Phys. Rev. Lett. 108, 125005 (2012) - Published 21 March, 2012

Classical Impurity Ion Confinement in a Toroidal Magnetized Fusion Plasma

S. T. A. Kumar, D. J. Den Hartog, K. J. Caspary, R. M. Magee, V. V. Mirnov, B. E. Chapman, D. Craig, G. Fiksel, and J. S. Sarff

Phys. Rev. Lett. 108, 125006 (2012) - Published 22 March, 2012

Calculation of Transport Coefficient Profiles in Modulation Experiments as an Inverse Problem

D. F. Escande and F. Sattin

Phys. Rev. Lett. 108, 125007 (2012) - Published 23 March, 2012

Condensed Matter: Structure, etc.

Spin-Orbit-Coupled Dipolar Bose-Einstein Condensates

Y. Deng, J. Cheng, H. Jing, C.-P. Sun, and S. Yi

Phys. Rev. Lett. 108, 125301 (2012) - Published 23 March, 2012

Mixed Molecular and Atomic Phase of Dense Hydrogen

Ross T. Howie, Christophe L. Guillaume, Thomas Scheler, Alexander F. Goncharov, and Eugene Gregoryanz

Phys. Rev. Lett. 108, 125501 (2012) - Published 19 March, 2012

Structure of Polymeric Carbon Dioxide ${CO}_{2} − V$

Frédéric Datchi, Bidyut Mallick, Ashkan Salamat, and Sandra Ninet

Phys. Rev. Lett. 108, 125701 (2012) - Published 19 March, 2012

Systematic Study of ${Au}_{6}$ to ${Au}_{12}$ Gold Clusters on MgO(100) $F$ Centers Using Density-Functional Theory

Lasse B. Vilhelmsen and Bjørk Hammer

Phys. Rev. Lett. 108, 126101 (2012) - Published 19 March, 2012

Nonisomorphic Nucleation Pathways Arising from Morphological Transitions of Liquid Channels

H. Kusumaatmaja, R. Lipowsky, C. Jin, R.-C. Mutihac, and H. Riegler

Phys. Rev. Lett. 108, 126102 (2012) - Published 21 March, 2012

Frictional Figures of Merit for Single Layered Nanostructures

S. Cahangirov, C. Ataca, M. Topsakal, H. Sahin, and S. Ciraci

Phys. Rev. Lett. 108, 126103 (2012) - Published 21 March, 2012

Condensed Matter: Electronic Properties, etc.

Nonequilibrium Charge Susceptibility and Dynamical Conductance: Identification of Scattering Processes in Quantum Transport

H. Ness and L. K. Dash

Phys. Rev. Lett. 108, 126401 (2012) - Published 20 March, 2012

Nonuniform Scaling Applied to Surface Energies of Transition Metals

Letizia Chiodo, Lucian A. Constantin, Eduardo Fabiano, and Fabio Della Sala

Phys. Rev. Lett. 108, 126402 (2012) - Published 21 March, 2012

Polariton Condensation in Photonic Molecules

Marta Galbiati, Lydie Ferrier, Dmitry D. Solnyshkov, Dimitrii Tanese, Esther Wertz, Alberto Amo, Marco Abbarchi, Pascale Senellart, Isabelle Sagnes, Aristide Lemaître, Elisabeth Galopin, Guillaume Malpuech, and Jacqueline Bloch

Phys. Rev. Lett. 108, 126403 (2012) - Published 20 March, 2012

First-Principles Optical Spectra for $F$ Centers in MgO

Patrick Rinke, André Schleife, Emmanouil Kioupakis, Anderson Janotti, Claudia Rödl, Friedhelm Bechstedt, Matthias Scheffler, and Chris G. Van de Walle

Phys. Rev. Lett. 108, 126404 (2012) - Published 20 March, 2012

Fractional Quantum-Hall Liquid Spontaneously Generated by Strongly Correlated $t_{2 g}$ Electrons

Jörn W. F. Venderbos, Stefanos Kourtis, Jeroen van den Brink, and Maria Daghofer

Phys. Rev. Lett. 108, 126405 (2012) - Published 21 March, 2012

Phases of the Infinite $U$ Hubbard Model on Square Lattices

Li Liu, Hong Yao, Erez Berg, Steven R. White, and Steven A. Kivelson

Phys. Rev. Lett. 108, 126406 (2012) - Published 22 March, 2012

Helicoidal Fields and Spin Polarized Currents in Carbon Nanotube–DNA Hybrids

G. S. Diniz, A. Latgé, and S. E. Ulloa

Phys. Rev. Lett. 108, 126601 (2012) - Published 21 March, 2012

Exact Exponents for the Spin Quantum Hall Transition in the Presence of Multiple Edge Channels

R. Bondesan, I. A. Gruzberg, J. L. Jacobsen, H. Obuse, and H. Saleur

Phys. Rev. Lett. 108, 126801 (2012) - Published 19 March, 2012

Dynamical Coulomb Blockade Observed in Nanosized Electrical Contacts

Christophe Brun, Konrad H. Müller, I-Po Hong, François Patthey, Christian Flindt, and Wolf-Dieter Schneider

Phys. Rev. Lett. 108, 126802 (2012) - Published 21 March, 2012

Intrinsic Nature of the Excess Electron Distribution at the ${TiO}_{2} (110)$ Surface

P. Krüger, J. Jupille, S. Bourgeois, B. Domenichini, A. Verdini, L. Floreano, and A. Morgante

Phys. Rev. Lett. 108, 126803 (2012) - Published 20 March, 2012

Valley-Based Noise-Resistant Quantum Computation Using Si Quantum Dots

Dimitrie Culcer, A. L. Saraiva, Belita Koiller, Xuedong Hu, and S. Das Sarma

Phys. Rev. Lett. 108, 126804 (2012) - Published 20 March, 2012

Non-Abelian Quantum Hall Effect in Topological Flat Bands

Yi-Fei Wang, Hong Yao, Zheng-Cheng Gu, Chang-De Gong, and D. N. Sheng

Phys. Rev. Lett. 108, 126805 (2012) - Published 21 March, 2012

Exchange-Coupled Donor Dimers in Nanocrystal Quantum Dots

R. N. Pereira, A. J. Almeida, A. R. Stegner, M. S. Brandt, and H. Wiggers

Phys. Rev. Lett. 108, 126806 (2012) - Published 22 March, 2012

Topological Insulators in Magnetic Fields: Quantum Hall Effect and Edge Channels with a Nonquantized $θ$ Term

M. Sitte, A. Rosch, E. Altman, and L. Fritz

Phys. Rev. Lett. 108, 126807 (2012) - Published 22 March, 2012

Discretization of Electronic States in Large $InAsP / InP$ Multilevel Quantum Dots Probed by Scanning Tunneling Spectroscopy

B. Fain, I. Robert-Philip, A. Beveratos, C. David, Z. Z. Wang, I. Sagnes, and J. C. Girard

Phys. Rev. Lett. 108, 126808 (2012) - Published 23 March, 2012

Probing the Unconventional Superconducting State of LiFeAs by Quasiparticle Interference

Torben Hänke, Steffen Sykora, Ronny Schlegel, Danny Baumann, Luminita Harnagea, Sabine Wurmehl, Maria Daghofer, Bernd Büchner, Jeroen van den Brink, and Christian Hess

Phys. Rev. Lett. 108, 127001 (2012) - Published 19 March, 2012

Optimization of Spin-Triplet Supercurrent in Ferromagnetic Josephson Junctions

Carolin Klose, Trupti S. Khaire, Yixing Wang, W. P. Pratt, Jr., Norman O. Birge, B. J. McMorran, T. P. Ginley, J. A. Borchers, B. J. Kirby, B. B. Maranville, and J. Unguris

Phys. Rev. Lett. 108, 127002 (2012) - Published 20 March, 2012

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Near-Room-Temperature Colossal Magnetodielectricity and Multiglass Properties in Partially Disordered ${La}_{2} {NiMnO}_{6}$

D. Choudhury, P. Mandal, R. Mathieu, A. Hazarika, S. Rajan, A. Sundaresan, U. V. Waghmare, R. Knut, O. Karis, P. Nordblad, and D. D. Sarma

Phys. Rev. Lett. 108, 127201 (2012) - Published 19 March, 2012

Antiferromagnetic Spin- $S$ Chains with Exactly Dimerized Ground States

Frédéric Michaud, François Vernay, Salvatore R. Manmana, and Frédéric Mila

Phys. Rev. Lett. 108, 127202 (2012) - Published 20 March, 2012

Relevance of the Heisenberg-Kitaev Model for the Honeycomb Lattice Iridates $A_{2} {IrO}_{3}$

Yogesh Singh, S. Manni, J. Reuther, T. Berlijn, R. Thomale, W. Ku, S. Trebst, and P. Gegenwart

Phys. Rev. Lett. 108, 127203 (2012) - Published 20 March, 2012

Spin Waves and Revised Crystal Structure of Honeycomb Iridate ${Na}_{2} {IrO}_{3}$

S. K. Choi, R. Coldea, A. N. Kolmogorov, T. Lancaster, I. I. Mazin, S. J. Blundell, P. G. Radaelli, Yogesh Singh, P. Gegenwart, K. R. Choi, S.-W. Cheong, P. J. Baker, C. Stock, and J. Taylor

Phys. Rev. Lett. 108, 127204 (2012) - Published 20 March, 2012