Volume 113, Issue 12

19 September 2014

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On the Cover

Representations of pristine (left) and dislocated super cells of silicon carbide for molecular dynamics calculations of thermal transport.

From the article:

Thermal Transport Along the Dislocation Line in Silicon Carbide
Yuxiang Ni, Shiyun Xiong, Sebastian Volz, and Traian Dumitricǎ
Phys. Rev. Lett. 113, 124301 (2014)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Direct Observation of Coherent Interorbital Spin-Exchange Dynamics

G. Cappellini, M. Mancini, G. Pagano, P. Lombardi, L. Livi, M. Siciliani de Cumis, P. Cancio, M. Pizzocaro, D. Calonico, F. Levi, C. Sias, J. Catani, M. Inguscio, and L. Fallani

Phys. Rev. Lett. 113, 120402 (2014) - Published 15 September, 2014

The experimental observation of spin-orbital exchange interactions in ultracold atoms opens a window for the exploration of poorly understood magnetic behaviors.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station

M. Aguilar et al. (AMS Collaboration)

Phys. Rev. Lett. 113, 121102 (2014) - Published 18 September, 2014

A particle detector onboard the International Space Station has revealed differences between the spectrum of cosmic-ray positrons and electrons, which might be a hint of dark matter annihilation processes.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Mobile Linkers on DNA-Coated Colloids: Valency without Patches

Stefano Angioletti-Uberti, Patrick Varilly, Bortolo M. Mognetti, and Daan Frenkel

Phys. Rev. Lett. 113, 128303 (2014) - Published 17 September, 2014

Mobile DNA strands could provide a different way to patch together DNA-coated particles to form colloidal structures whose structure and function can be tailored.

FEATURED IN PHYSICS

Test of Time Dilation Using Stored ${Li}^{+}$ Ions as Clocks at Relativistic Speed

Benjamin Botermann, Dennis Bing, Christopher Geppert, Gerald Gwinner, Theodor W. Hänsch, Gerhard Huber, Sergei Karpuk, Andreas Krieger, Thomas Kühl, Wilfried Nörtershäuser, Christian Novotny, Sascha Reinhardt, Rodolfo Sánchez, Dirk Schwalm, Thomas Stöhlker, Andreas Wolf, and Guido Saathoff

Phys. Rev. Lett. 113, 120405 (2014) - Published 16 September, 2014

An experiment with fast-moving ions verifies relativistic time dilation to a new level of precision, placing constraints on certain quantum gravity theories.

FEATURED IN PHYSICS

Nonclassical Paths in Quantum Interference Experiments

Rahul Sawant, Joseph Samuel, Aninda Sinha, Supurna Sinha, and Urbasi Sinha

Phys. Rev. Lett. 113, 120406 (2014) - Published 19 September, 2014

Quantum mechanics permits particles to follow bizarre, looping and curving trajectories, usually with very low probability. But a calculation shows that in some cases, these paths can have significant and possibly measurable effects.

EDITORS' SUGGESTION

How the Result of a Single Coin Toss Can Turn Out to be 100 Heads

Christopher Ferrie and Joshua Combes

Phys. Rev. Lett. 113, 120404 (2014) - Published 18 September, 2014

A classical model is proposed that exhibits the same anomalous weak values as a quantum system, suggesting that weak values are not inherently quantum.

EDITORS' SUGGESTION

High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5–500 GeV with the Alpha Magnetic Spectrometer on the International Space Station

L. Accardo et al. (AMS Collaboration)

Phys. Rev. Lett. 113, 121101 (2014) - Published 18 September, 2014

Measurements of the positron fraction in high energy cosmic rays using the space-borne Alpha Magnetic Spectrometer have been extended to energies of 500 GeV. The new results show that the positron fraction stops increasing with energy at around 200 GeV.

EDITORS' SUGGESTION

Search for Bosonic Superweakly Interacting Massive Dark Matter Particles with the XMASS-I Detector

K. Abe et al. (XMASS Collaboration)

Phys. Rev. Lett. 113, 121301 (2014) - Published 18 September, 2014

The XMASS-I liquid xenon detector has ruled out the possibility that superweakly interacting massive bosonic particles (a.k.a. super-WIMPs) consititute all of dark matter.

LETTERS

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

Focusing in Arthurs-Kelly-Type Joint Measurements with Correlated Probes

Thomas J. Bullock and Paul Busch

Phys. Rev. Lett. 113, 120401 (2014) - Published 15 September, 2014

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Direct Observation of Coherent Interorbital Spin-Exchange Dynamics

G. Cappellini, M. Mancini, G. Pagano, P. Lombardi, L. Livi, M. Siciliani de Cumis, P. Cancio, M. Pizzocaro, D. Calonico, F. Levi, C. Sias, J. Catani, M. Inguscio, and L. Fallani

Phys. Rev. Lett. 113, 120402 (2014) - Published 15 September, 2014

The experimental observation of spin-orbital exchange interactions in ultracold atoms opens a window for the exploration of poorly understood magnetic behaviors.

Nonrelativistic Nambu-Goldstone Modes Associated with Spontaneously Broken Space-Time and Internal Symmetries

Michikazu Kobayashi and Muneto Nitta

Phys. Rev. Lett. 113, 120403 (2014) - Published 18 September, 2014

EDITORS' SUGGESTION

How the Result of a Single Coin Toss Can Turn Out to be 100 Heads

Christopher Ferrie and Joshua Combes

Phys. Rev. Lett. 113, 120404 (2014) - Published 18 September, 2014

A classical model is proposed that exhibits the same anomalous weak values as a quantum system, suggesting that weak values are not inherently quantum.

FEATURED IN PHYSICS

Test of Time Dilation Using Stored ${Li}^{+}$ Ions as Clocks at Relativistic Speed

Phys. Rev. Lett. 113, 120405 (2014) - Published 16 September, 2014

An experiment with fast-moving ions verifies relativistic time dilation to a new level of precision, placing constraints on certain quantum gravity theories.

FEATURED IN PHYSICS

Nonclassical Paths in Quantum Interference Experiments

Rahul Sawant, Joseph Samuel, Aninda Sinha, Supurna Sinha, and Urbasi Sinha

Phys. Rev. Lett. 113, 120406 (2014) - Published 19 September, 2014

Scalable Boson Sampling with Time-Bin Encoding Using a Loop-Based Architecture

Keith R. Motes, Alexei Gilchrist, Jonathan P. Dowling, and Peter P. Rohde

Phys. Rev. Lett. 113, 120501 (2014) - Published 18 September, 2014

Universal Large Deviations for the Tagged Particle in Single-File Motion

Chaitra Hegde, Sanjib Sabhapandit, and Abhishek Dhar

Phys. Rev. Lett. 113, 120601 (2014) - Published 18 September, 2014

Phase Transitions on Random Lattices: How Random is Topological Disorder?

Hatem Barghathi and Thomas Vojta

Phys. Rev. Lett. 113, 120602 (2014) - Published 19 September, 2014

Gravitation and Astrophysics

EDITORS' SUGGESTION

High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5–500 GeV with the Alpha Magnetic Spectrometer on the International Space Station

L. Accardo et al. (AMS Collaboration)

Phys. Rev. Lett. 113, 121101 (2014) - Published 18 September, 2014

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station

M. Aguilar et al. (AMS Collaboration)

Phys. Rev. Lett. 113, 121102 (2014) - Published 18 September, 2014

EDITORS' SUGGESTION

Search for Bosonic Superweakly Interacting Massive Dark Matter Particles with the XMASS-I Detector

K. Abe et al. (XMASS Collaboration)

Phys. Rev. Lett. 113, 121301 (2014) - Published 18 September, 2014

The XMASS-I liquid xenon detector has ruled out the possibility that superweakly interacting massive bosonic particles (a.k.a. super-WIMPs) consititute all of dark matter.

Elementary Particles and Fields

Exact Slope and Interpolating Functions in $N = 6$ Supersymmetric Chern-Simons Theory

Nikolay Gromov and Grigory Sizov

Phys. Rev. Lett. 113, 121601 (2014) - Published 16 September, 2014

Holographic Signatures of Cosmological Singularities

Netta Engelhardt, Thomas Hertog, and Gary T. Horowitz

Phys. Rev. Lett. 113, 121602 (2014) - Published 19 September, 2014

Cosmological Signatures of a UV-Conformal Standard Model

Glauber C. Dorsch, Stephan J. Huber, and Jose Miguel No

Phys. Rev. Lett. 113, 121801 (2014) - Published 18 September, 2014

Search for Nucleon Decay via $n \to \bar{ν} π^{0}$ and $p \to \bar{ν} π^{+}$ in Super-Kamiokande

K. Abe et al. (Super-Kamiokande Collaboration)

Phys. Rev. Lett. 113, 121802 (2014) - Published 19 September, 2014

Atomic, Molecular, and Optical Physics

Confirming a Predicted Selection Rule in Inelastic Neutron Scattering Spectroscopy: The Quantum Translator-Rotator $H_{2}$ Entrapped Inside $C_{60}$

Minzhong Xu, Mónica Jiménez-Ruiz, Mark R. Johnson, Stéphane Rols, Shufeng Ye, Marina Carravetta, Mark S. Denning, Xuegong Lei, Zlatko Bačić, and Anthony J. Horsewill

Phys. Rev. Lett. 113, 123001 (2014) - Published 17 September, 2014

Limits on a Gravitational Field Dependence of the Proton-Electron Mass Ratio from $H_{2}$ in White Dwarf Stars

J. Bagdonaite, E. J. Salumbides, S. P. Preval, M. A. Barstow, J. D. Barrow, M. T. Murphy, and W. Ubachs

Phys. Rev. Lett. 113, 123002 (2014) - Published 18 September, 2014

Binding Potentials and Interaction Gates between Microwave-Dressed Rydberg Atoms

David Petrosyan and Klaus Mølmer

Phys. Rev. Lett. 113, 123003 (2014) - Published 19 September, 2014

Non-Hermitian Degeneracies and Unidirectional Reflectionless Atomic Lattices

Jin-Hui Wu, M. Artoni, and G. C. La Rocca

Phys. Rev. Lett. 113, 123004 (2014) - Published 19 September, 2014

Coupled Electronic and Structural Relaxation Pathways in the Postexcitation Dynamics of Rydberg States of ${BaAr}_{N}$ Clusters

A. Masson, M.-C. Heitz, J.-M. Mestdagh, M.-A. Gaveau, L. Poisson, and F. Spiegelman

Phys. Rev. Lett. 113, 123005 (2014) - Published 19 September, 2014

Flux Qubits with Long Coherence Times for Hybrid Quantum Circuits

M. Stern, G. Catelani, Y. Kubo, C. Grezes, A. Bienfait, D. Vion, D. Esteve, and P. Bertet

Phys. Rev. Lett. 113, 123601 (2014) - Published 19 September, 2014

All-Electromagnetic Control of Broadband Quantum Excitations Using Gradient Photon Echoes

Wen-Te Liao, Christoph H. Keitel, and Adriana Pálffy

Phys. Rev. Lett. 113, 123602 (2014) - Published 19 September, 2014

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Mode Spectrum and Temporal Soliton Formation in Optical Microresonators

T. Herr, V. Brasch, J. D. Jost, I. Mirgorodskiy, G. Lihachev, M. L. Gorodetsky, and T. J. Kippenberg

Phys. Rev. Lett. 113, 123901 (2014) - Published 15 September, 2014

Rapidly Accelerating Mathieu and Weber Surface Plasmon Beams

Ana Libster-Hershko, Itai Epstein, and Ady Arie

Phys. Rev. Lett. 113, 123902 (2014) - Published 15 September, 2014

Impact of Loss on the Wave Dynamics in Photonic Waveguide Lattices

M. Golshani, S. Weimann, Kh. Jafari, M. Khazaei Nezhad, A. Langari, A. R. Bahrampour, T. Eichelkraut, S. M. Mahdavi, and A. Szameit

Phys. Rev. Lett. 113, 123903 (2014) - Published 19 September, 2014

Thermal Transport Along the Dislocation Line in Silicon Carbide

Yuxiang Ni, Shiyun Xiong, Sebastian Volz, and Traian Dumitricǎ

Phys. Rev. Lett. 113, 124301 (2014) - Published 18 September, 2014

Condensed Matter: Structure, etc.

Phase Imprinting in Equilibrating Fermi Gases: The Transience of Vortex Rings and Other Defects

Peter Scherpelz, Karmela Padavić, Adam Rançon, Andreas Glatz, Igor S. Aranson, and K. Levin

Phys. Rev. Lett. 113, 125301 (2014) - Published 16 September, 2014

Reconnections of Quantized Vortex Rings in Superfluid ${}^{4}{He}$ at Very Low Temperatures

P. M. Walmsley, P. A. Tompsett, D. E. Zmeev, and A. I. Golov

Phys. Rev. Lett. 113, 125302 (2014) - Published 17 September, 2014

Condensed Matter: Electronic Properties, etc.

Transmission Phase in the Kondo Regime Revealed in a Two-Path Interferometer

S. Takada, C. Bäuerle, M. Yamamoto, K. Watanabe, S. Hermelin, T. Meunier, A. Alex, A. Weichselbaum, J. von Delft, A. Ludwig, A. D. Wieck, and S. Tarucha

Phys. Rev. Lett. 113, 126601 (2014) - Published 15 September, 2014

Limitations to Carrier Mobility and Phase-Coherent Transport in Bilayer Graphene

S. Engels, B. Terrés, A. Epping, T. Khodkov, K. Watanabe, T. Taniguchi, B. Beschoten, and C. Stampfer

Phys. Rev. Lett. 113, 126801 (2014) - Published 16 September, 2014

Emergent Defect States as a Source of Resistivity Anisotropy in the Nematic Phase of Iron Pnictides

Maria N. Gastiasoro, I. Paul, Y. Wang, P. J. Hirschfeld, and Brian M. Andersen

Phys. Rev. Lett. 113, 127001 (2014) - Published 15 September, 2014

Tuning Ferromagnetism at Interfaces between Insulating Perovskite Oxides

Nirmal Ganguli and Paul J. Kelly

Phys. Rev. Lett. 113, 127201 (2014) - Published 15 September, 2014

New Anomalous Lieb-Robinson Bounds in Quasiperiodic $X Y$ Chains

David Damanik, Marius Lemm, Milivoje Lukic, and William Yessen

Phys. Rev. Lett. 113, 127202 (2014) - Published 18 September, 2014

Preasymptotic Critical Behavior and Effective Exponents in Disordered Metallic Quantum Ferromagnets

T. R. Kirkpatrick and D. Belitz

Phys. Rev. Lett. 113, 127203 (2014) - Published 18 September, 2014

Exact Diagonalization of Heisenberg $SU (N)$ Models

Pierre Nataf and Frédéric Mila

Phys. Rev. Lett. 113, 127204 (2014) - Published 18 September, 2014

Polymer, Soft Matter, Biological, and Interdisciplinary Physics

Specific Heat in Two-Dimensional Melting

Sven Deutschländer, Antonio M. Puertas, Georg Maret, and Peter Keim

Phys. Rev. Lett. 113, 127801 (2014) - Published 18 September, 2014

Periodic versus Intermittent Adaptive Cycles in Quasispecies Coevolution

Alexander Seeholzer, Erwin Frey, and Benedikt Obermayer

Phys. Rev. Lett. 113, 128101 (2014) - Published 15 September, 2014

Synchronization of Degrade-and-Fire Oscillations via a Common Activator

William Mather, Jeff Hasty, and Lev S. Tsimring

Phys. Rev. Lett. 113, 128102 (2014) - Published 16 September, 2014

Entropic Electrokinetics: Recirculation, Particle Separation, and Negative Mobility

Paolo Malgaretti, Ignacio Pagonabarraga, and J. Miguel Rubi

Phys. Rev. Lett. 113, 128301 (2014) - Published 15 September, 2014

Statistics of Frictional Families

Tianqi Shen, Stefanos Papanikolaou, Corey S. O’Hern, and Mark D. Shattuck

Phys. Rev. Lett. 113, 128302 (2014) - Published 15 September, 2014

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Mobile Linkers on DNA-Coated Colloids: Valency without Patches

Stefano Angioletti-Uberti, Patrick Varilly, Bortolo M. Mognetti, and Daan Frenkel

Phys. Rev. Lett. 113, 128303 (2014) - Published 17 September, 2014

Mobile DNA strands could provide a different way to patch together DNA-coated particles to form colloidal structures whose structure and function can be tailored.

Mutual Diffusion of Inclusions in Freely Suspended Smectic Liquid Crystal Films

Zhiyuan Qi, Zoom Hoang Nguyen, Cheol Soo Park, Matthew A. Glaser, Joseph E. Maclennan, Noel A. Clark, Tatiana Kuriabova, and Thomas R. Powers

Phys. Rev. Lett. 113, 128304 (2014) - Published 18 September, 2014

Weighing Polyelectrolytes Packaged in Viruslike Particles

Guillaume Tresset, Mouna Tatou, Clémence Le Cœur, Mehdi Zeghal, Virginie Bailleux, Amélie Lecchi, Katarzyna Brach, Magdalena Klekotko, and Lionel Porcar

Phys. Rev. Lett. 113, 128305 (2014) - Published 19 September, 2014

ERRATA

Erratum: Proposed Chiral Texture of the Magnetic Moments of Unit-Cell Loop Currents in the Pseudogap Phase of Cuprate Superconductors [Phys. Rev. Lett. 111, 047005 (2013)]

Sergey S. Pershoguba, Kostyantyn Kechedzhi, and Victor M. Yakovenko

Phys. Rev. Lett. 113, 129901 (2014) - Published 19 September, 2014

Erratum: Optical Spin Squeezing: Bright Beams as High-Flux Entangled Photon Sources [Phys. Rev. Lett. 111, 143601 (2013)]

Federica A. Beduini and Morgan W. Mitchell

Phys. Rev. Lett. 113, 129902 (2014) - Published 19 September, 2014