Volume 113, Issue 15

10 October 2014

Browse Issues:

On the Cover

Design of interactions that would enable quantum coherence to be used as a degradation-free resource. Selected for an Editors’ Suggestion.

From the article:

Catalytic Coherence
Johan Åberg
Phys. Rev. Lett. 113, 150402 (2014)

EDITORIALS AND ANNOUNCEMENTS

Editorial: PRX Takes on a New Role

Gene D. Sprouse

Phys. Rev. Lett. 113, 150001 (2014) - Published 9 October, 2014

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Galactic Center Gamma-Ray Excess from Dark Matter Annihilation: Is There a Black Hole Spike?

Brian D. Fields, Stuart L. Shapiro, and Jessie Shelton

Phys. Rev. Lett. 113, 151302 (2014) - Published 9 October, 2014

Simple dark matter and astrophysical models can’t explain a gamma-ray signal from our Galaxy’s center.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Test of Lepton Universality Using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ Decays

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 113, 151601 (2014) - Published 6 October, 2014

The finding that electrons and muons aren’t produced equally in certain particle decays may hint at a crack in the standard model.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Experimental Demonstration of Fusion-Relevant Conditions in Magnetized Liner Inertial Fusion

M. R. Gomez et al.

Phys. Rev. Lett. 113, 155003 (2014) - Published 6 October, 2014

The first experiments testing a new magnetic fusion concept on the Z machine at Sandia National Laboratory have achieved fusion relevant plasma conditions with a temperature of 3 keV.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Understanding Fuel Magnetization and Mix Using Secondary Nuclear Reactions in Magneto-Inertial Fusion

P. F. Schmit et al.

Phys. Rev. Lett. 113, 155004 (2014) - Published 6 October, 2014

The first experiments testing a new magnetic fusion concept on the Z machine at Sandia National Laboratory have achieved fusion relevant plasma conditions with a temperature of 3 keV.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

${MoS}_{2}$ : Choice Substrate for Accessing and Tuning the Electronic Properties of Graphene

Chih-Pin Lu, Guohong Li, K. Watanabe, T. Taniguchi, and Eva Y. Andrei

Phys. Rev. Lett. 113, 156804 (2014) - Published 9 October, 2014

Molybdenum disulfide may provide an ideal substrate for supporting graphene.

EDITORS' SUGGESTION

Catalytic Coherence

Johan Åberg

Phys. Rev. Lett. 113, 150402 (2014) - Published 7 October, 2014

A scheme is proposed to perform a unitary operation on a multi-level system, without degrading the coherence of the external system.

EDITORS' SUGGESTION

Bounds on Invisible Higgs Boson Decays Extracted from LHC $t \bar{t} H$ Production Data

Ning Zhou, Zepyoor Khechadoorian, Daniel Whiteson, and Tim M. P. Tait

Phys. Rev. Lett. 113, 151801 (2014) - Published 10 October, 2014

A reanalysis of LHC data from a supersymmetry search provides new constraints on the Higgs branching ratio to invisible particles, which are possibly related to dark matter.

EDITORS' SUGGESTION

Lattice QCD Phase Diagram In and Away from the Strong Coupling Limit

Ph. de Forcrand, J. Langelage, O. Philipsen, and W. Unger

Phys. Rev. Lett. 113, 152002 (2014) - Published 6 October, 2014

A strong coupling expansion for lattice gauge theory at finite density is able to reduce the sign problem - a numerical difficulty in sampling highly oscillatory wavefunctions in Monte Carlo simulations.

EDITORS' SUGGESTION

Strangeness Suppression of $q \bar{q}$ Creation Observed in Exclusive Reactions

M. D. Mestayer et al. (CLAS Collaboration)

Phys. Rev. Lett. 113, 152004 (2014) - Published 10 October, 2014

Strange quark–anti-quark pairs are less likely to be produced in hadronic collisions than their light quark counterparts, providing insight into color confinement in QCD.

EDITORS' SUGGESTION

Creating High-Harmonic Beams with Controlled Orbital Angular Momentum

Genevieve Gariepy, Jonathan Leach, Kyung Taec Kim, T. J. Hammond, E. Frumker, Robert W. Boyd, and P. B. Corkum

Phys. Rev. Lett. 113, 153901 (2014) - Published 7 October, 2014

A laser field carrying orbital angular momentum can drive nonlinear high harmonic generation in a gas, potentially forming an extreme ultraviolet beam having applications in molecular scale microscopy.

EDITORS' SUGGESTION

Penrose Tilings as Jammed Solids

Olaf Stenull and T. C. Lubensky

Phys. Rev. Lett. 113, 158301 (2014) - Published 6 October, 2014

The elastic and vibrational properties of randomized Penrose tilings - lattices exhibiting 5-fold symmetry - are shown to be similar to those of jammed sphere systems.

LETTERS

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

Optical Simulation of Neutrino Oscillations in Binary Waveguide Arrays

Andrea Marini, Stefano Longhi, and Fabio Biancalana

Phys. Rev. Lett. 113, 150401 (2014) - Published 7 October, 2014

EDITORS' SUGGESTION

Catalytic Coherence

Johan Åberg

Phys. Rev. Lett. 113, 150402 (2014) - Published 7 October, 2014

A scheme is proposed to perform a unitary operation on a multi-level system, without degrading the coherence of the external system.

Hierarchy of Stochastic Pure States for Open Quantum System Dynamics

D. Suess, A. Eisfeld, and W. T. Strunz

Phys. Rev. Lett. 113, 150403 (2014) - Published 8 October, 2014

Area Law Scaling for the Entropy of Disordered Quasifree Fermions

L. Pastur and V. Slavin

Phys. Rev. Lett. 113, 150404 (2014) - Published 9 October, 2014

High-Fidelity Single-Qubit Gates for Two-Electron Spin Qubits in GaAs

Pascal Cerfontaine, Tim Botzem, David P. DiVincenzo, and Hendrik Bluhm

Phys. Rev. Lett. 113, 150501 (2014) - Published 7 October, 2014

Gravitation and Astrophysics

Simple Model of Complete Precessing Black-Hole-Binary Gravitational Waveforms

Mark Hannam, Patricia Schmidt, Alejandro Bohé, Leïla Haegel, Sascha Husa, Frank Ohme, Geraint Pratten, and Michael Pürrer

Phys. Rev. Lett. 113, 151101 (2014) - Published 7 October, 2014

Narrowing the Filter-Cavity Bandwidth in Gravitational-Wave Detectors via Optomechanical Interaction

Yiqiu Ma, Shtefan L. Danilishin, Chunnong Zhao, Haixing Miao, W. Zach Korth, Yanbei Chen, Robert L. Ward, and D. G. Blair

Phys. Rev. Lett. 113, 151102 (2014) - Published 10 October, 2014

Searching for Topological Defect Dark Matter via Nongravitational Signatures

Y. V. Stadnik and V. V. Flambaum

Phys. Rev. Lett. 113, 151301 (2014) - Published 10 October, 2014

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Galactic Center Gamma-Ray Excess from Dark Matter Annihilation: Is There a Black Hole Spike?

Brian D. Fields, Stuart L. Shapiro, and Jessie Shelton

Phys. Rev. Lett. 113, 151302 (2014) - Published 9 October, 2014

Simple dark matter and astrophysical models can’t explain a gamma-ray signal from our Galaxy’s center.

Elementary Particles and Fields

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Test of Lepton Universality Using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ Decays

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 113, 151601 (2014) - Published 6 October, 2014

The finding that electrons and muons aren’t produced equally in certain particle decays may hint at a crack in the standard model.

EDITORS' SUGGESTION

Bounds on Invisible Higgs Boson Decays Extracted from LHC $t \bar{t} H$ Production Data

Ning Zhou, Zepyoor Khechadoorian, Daniel Whiteson, and Tim M. P. Tait

Phys. Rev. Lett. 113, 151801 (2014) - Published 10 October, 2014

A reanalysis of LHC data from a supersymmetry search provides new constraints on the Higgs branching ratio to invisible particles, which are possibly related to dark matter.

$T$ -Odd Asymmetry in $W + jet$ Events at the LHC

Rikkert Frederix, Kaoru Hagiwara, Toshifumi Yamada, and Hiroshi Yokoya

Phys. Rev. Lett. 113, 152001 (2014) - Published 6 October, 2014

EDITORS' SUGGESTION

Lattice QCD Phase Diagram In and Away from the Strong Coupling Limit

Ph. de Forcrand, J. Langelage, O. Philipsen, and W. Unger

Phys. Rev. Lett. 113, 152002 (2014) - Published 6 October, 2014

First Observation of a Baryonic $B_{c}^{+}$ Decay

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 113, 152003 (2014) - Published 10 October, 2014

EDITORS' SUGGESTION

Strangeness Suppression of $q \bar{q}$ Creation Observed in Exclusive Reactions

M. D. Mestayer et al. (CLAS Collaboration)

Phys. Rev. Lett. 113, 152004 (2014) - Published 10 October, 2014

Strange quark–anti-quark pairs are less likely to be produced in hadronic collisions than their light quark counterparts, providing insight into color confinement in QCD.

Atomic, Molecular, and Optical Physics

Helium-Droplet-Assisted Preparation of Cold RbSr Molecules

Florian Lackner, Günter Krois, Thomas Buchsteiner, Johann V. Pototschnig, and Wolfgang E. Ernst

Phys. Rev. Lett. 113, 153001 (2014) - Published 6 October, 2014

Reabsorption of Soft X-Ray Emission at High X-Ray Free-Electron Laser Fluences

Simon Schreck, Martin Beye, Jonas A. Sellberg, Trevor McQueen, Hartawan Laksmono, Brian Kennedy, Sebastian Eckert, Daniel Schlesinger, Dennis Nordlund, Hirohito Ogasawara, Raymond G. Sierra, Vegard H. Segtnan, Katharina Kubicek, William F. Schlotter, Georgi L. Dakovski, Stefan P. Moeller, Uwe Bergmann, Simone Techert, Lars G. M. Pettersson, Philippe Wernet, Michael J. Bogan, Yoshihisa Harada, Anders Nilsson, and Alexander Föhlisch

Phys. Rev. Lett. 113, 153002 (2014) - Published 6 October, 2014

Second-Quantized Surface Hopping

Alexey V. Akimov and Oleg V. Prezhdo

Phys. Rev. Lett. 113, 153003 (2014) - Published 8 October, 2014

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

EDITORS' SUGGESTION

Creating High-Harmonic Beams with Controlled Orbital Angular Momentum

Genevieve Gariepy, Jonathan Leach, Kyung Taec Kim, T. J. Hammond, E. Frumker, Robert W. Boyd, and P. B. Corkum

Phys. Rev. Lett. 113, 153901 (2014) - Published 7 October, 2014

Synchronization of Two Ensembles of Atoms

Minghui Xu, D. A. Tieri, E. C. Fine, James K. Thompson, and M. J. Holland

Phys. Rev. Lett. 113, 154101 (2014) - Published 6 October, 2014

Plasma and Beam Physics

Controlling Turbulence in Present and Future Stellarators

P. Xanthopoulos, H. E. Mynick, P. Helander, Y. Turkin, G. G. Plunk, F. Jenko, T. Görler, D. Told, T. Bird, and J. H. E. Proll

Phys. Rev. Lett. 113, 155001 (2014) - Published 7 October, 2014

Backward Wave Cyclotron-Maser Emission in the Auroral Magnetosphere

D. C. Speirs, R. Bingham, R. A. Cairns, I. Vorgul, B. J. Kellett, A. D. R. Phelps, and K. Ronald

Phys. Rev. Lett. 113, 155002 (2014) - Published 7 October, 2014

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Experimental Demonstration of Fusion-Relevant Conditions in Magnetized Liner Inertial Fusion

M. R. Gomez et al.

Phys. Rev. Lett. 113, 155003 (2014) - Published 6 October, 2014

The first experiments testing a new magnetic fusion concept on the Z machine at Sandia National Laboratory have achieved fusion relevant plasma conditions with a temperature of 3 keV.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Understanding Fuel Magnetization and Mix Using Secondary Nuclear Reactions in Magneto-Inertial Fusion

P. F. Schmit et al.

Phys. Rev. Lett. 113, 155004 (2014) - Published 6 October, 2014

The first experiments testing a new magnetic fusion concept on the Z machine at Sandia National Laboratory have achieved fusion relevant plasma conditions with a temperature of 3 keV.

Formation of Hard Power Laws in the Energetic Particle Spectra Resulting from Relativistic Magnetic Reconnection

Fan Guo, Hui Li, William Daughton, and Yi-Hsin Liu

Phys. Rev. Lett. 113, 155005 (2014) - Published 8 October, 2014

Fast and Accurate Quantum Molecular Dynamics of Dense Plasmas Across Temperature Regimes

Travis Sjostrom and Jérôme Daligault

Phys. Rev. Lett. 113, 155006 (2014) - Published 10 October, 2014

Condensed Matter: Structure, etc.

Topological Growing of Laughlin States in Synthetic Gauge Fields

Fabian Grusdt, Fabian Letscher, Mohammad Hafezi, and Michael Fleischhauer

Phys. Rev. Lett. 113, 155301 (2014) - Published 7 October, 2014

Coherent Magnon Optics in a Ferromagnetic Spinor Bose-Einstein Condensate

G. Edward Marti, Andrew MacRae, Ryan Olf, Sean Lourette, Fang Fang, and Dan M. Stamper-Kurn

Phys. Rev. Lett. 113, 155302 (2014) - Published 7 October, 2014

Strong Interaction Effects and Criticality of Bosons in Shaken Optical Lattices

Wei Zheng, Boyang Liu, Jiao Miao, Cheng Chin, and Hui Zhai

Phys. Rev. Lett. 113, 155303 (2014) - Published 10 October, 2014

Direct Observation of Dopant Atom Diffusion in a Bulk Semiconductor Crystal Enhanced by a Large Size Mismatch

Ryo Ishikawa, Rohan Mishra, Andrew R. Lupini, Scott D. Findlay, Takashi Taniguchi, Sokrates T. Pantelides, and Stephen J. Pennycook

Phys. Rev. Lett. 113, 155501 (2014) - Published 6 October, 2014

Explosive Electric Breakdown due to Conducting-Particle Deposition on an Insulating Substrate

Cláudio L. N. Oliveira, Nuno A. M. Araújo, José S. Andrade, Jr., and Hans J. Herrmann

Phys. Rev. Lett. 113, 155701 (2014) - Published 10 October, 2014

Pseudorotational Epitaxy of Self-Assembled Octadecyltrichlorosilane Monolayers on Sapphire (0001)

H.-G. Steinrück, A. Magerl, M. Deutsch, and B. M. Ocko

Phys. Rev. Lett. 113, 156101 (2014) - Published 6 October, 2014

Structure Prediction for Multicomponent Materials Using Biminima

D. Schebarchov and D. J. Wales

Phys. Rev. Lett. 113, 156102 (2014) - Published 10 October, 2014

Condensed Matter: Electronic Properties, etc.

Strongly Coupled Magnons and Cavity Microwave Photons

Xufeng Zhang, Chang-Ling Zou, Liang Jiang, and Hong X. Tang

Phys. Rev. Lett. 113, 156401 (2014) - Published 7 October, 2014

Kitaev Chains with Long-Range Pairing

Davide Vodola, Luca Lepori, Elisa Ercolessi, Alexey V. Gorshkov, and Guido Pupillo

Phys. Rev. Lett. 113, 156402 (2014) - Published 9 October, 2014

Spin Noise Spectroscopy Beyond Thermal Equilibrium and Linear Response

P. Glasenapp, N. A. Sinitsyn, Luyi Yang, D. G. Rickel, D. Roy, A. Greilich, M. Bayer, and S. A. Crooker

Phys. Rev. Lett. 113, 156601 (2014) - Published 6 October, 2014

Valley-Polarized Interlayer Conduction of Anisotropic Dirac Fermions in ${SrMnBi}_{2}$

Y. J. Jo, Joonbum Park, G. Lee, Man Jin Eom, E. S. Choi, Ji Hoon Shim, W. Kang, and Jun Sung Kim

Phys. Rev. Lett. 113, 156602 (2014) - Published 6 October, 2014

Nonlinear Valley and Spin Currents from Fermi Pocket Anisotropy in 2D Crystals

Hongyi Yu, Yue Wu, Gui-Bin Liu, Xiaodong Xu, and Wang Yao

Phys. Rev. Lett. 113, 156603 (2014) - Published 10 October, 2014

Direct Spectroscopic Observation of a Shallow Hydrogenlike Donor State in Insulating ${SrTiO}_{3}$

Z. Salman, T. Prokscha, A. Amato, E. Morenzoni, R. Scheuermann, K. Sedlak, and A. Suter

Phys. Rev. Lett. 113, 156801 (2014) - Published 7 October, 2014

Two-Dimensional Electron Gases at ${LaAlO}_{3} / {SrTiO}_{3}$ Interfaces: Orbital Symmetry and Hierarchy Engineered by Crystal Orientation

D. Pesquera, M. Scigaj, P. Gargiani, A. Barla, J. Herrero-Martín, E. Pellegrin, S. M. Valvidares, J. Gázquez, M. Varela, N. Dix, J. Fontcuberta, F. Sánchez, and G. Herranz

Phys. Rev. Lett. 113, 156802 (2014) - Published 7 October, 2014

Microscopic Theory of Cation Exchange in CdSe Nanocrystals

Florian D. Ott, Leo L. Spiegel, David J. Norris, and Steven C. Erwin

Phys. Rev. Lett. 113, 156803 (2014) - Published 7 October, 2014

FEATURED IN PHYSICS

EDITORS' SUGGESTION

${MoS}_{2}$ : Choice Substrate for Accessing and Tuning the Electronic Properties of Graphene

Chih-Pin Lu, Guohong Li, K. Watanabe, T. Taniguchi, and Eva Y. Andrei

Phys. Rev. Lett. 113, 156804 (2014) - Published 9 October, 2014

Molybdenum disulfide may provide an ideal substrate for supporting graphene.

Resonant Phase Matching of Josephson Junction Traveling Wave Parametric Amplifiers

Kevin O’Brien, Chris Macklin, Irfan Siddiqi, and Xiang Zhang

Phys. Rev. Lett. 113, 157001 (2014) - Published 6 October, 2014

Relativistic Néel-Order Fields Induced by Electrical Current in Antiferromagnets

J. Železný, H. Gao, K. Výborný, J. Zemen, J. Mašek, Aurélien Manchon, J. Wunderlich, Jairo Sinova, and T. Jungwirth

Phys. Rev. Lett. 113, 157201 (2014) - Published 6 October, 2014

Large Negative Magnetoresistance Induced by Anionic Solid Solutions in Two-Dimensional Spin-Frustrated Transition Metal Chalcogenides

Yuqiao Guo, Jun Dai, Jiyin Zhao, Changzheng Wu, Dianqi Li, Lidong Zhang, Wei Ning, Mingliang Tian, Xiao Cheng Zeng, and Yi Xie

Phys. Rev. Lett. 113, 157202 (2014) - Published 6 October, 2014

Multiferroic Rhodium Clusters

Lei Ma, Ramiro Moro, John Bowlan, Andrei Kirilyuk, and Walt A. de Heer

Phys. Rev. Lett. 113, 157203 (2014) - Published 6 October, 2014

Phase-Sensitive Detection of Spin Pumping via the ac Inverse Spin Hall Effect

Mathias Weiler, Justin M. Shaw, Hans T. Nembach, and Thomas J. Silva

Phys. Rev. Lett. 113, 157204 (2014) - Published 6 October, 2014

Establishing the Fundamental Magnetic Interactions in the Chiral Skyrmionic Mott Insulator ${Cu}_{2} {OSeO}_{3}$ by Terahertz Electron Spin Resonance

M. Ozerov, J. Romhányi, M. Belesi, H. Berger, J.-Ph. Ansermet, Jeroen van den Brink, J. Wosnitza, S. A. Zvyagin, and I. Rousochatzakis

Phys. Rev. Lett. 113, 157205 (2014) - Published 7 October, 2014

Distinguishing Bulk and Surface Electron-Phonon Coupling in the Topological Insulator ${Bi}_{2} {Se}_{3}$ Using Time-Resolved Photoemission Spectroscopy

J. A. Sobota, S.-L. Yang, D. Leuenberger, A. F. Kemper, J. G. Analytis, I. R. Fisher, P. S. Kirchmann, T. P. Devereaux, and Z.-X. Shen

Phys. Rev. Lett. 113, 157401 (2014) - Published 10 October, 2014

Polymer, Soft Matter, Biological, and Interdisciplinary Physics

Correlation of Local Order with Particle Mobility in Supercooled Liquids Is Highly System Dependent

Glen M. Hocky, Daniele Coslovich, Atsushi Ikeda, and David R. Reichman

Phys. Rev. Lett. 113, 157801 (2014) - Published 7 October, 2014

Spatial Symmetry Breaking Determines Spiral Wave Chirality

Thomas Quail, Alvin Shrier, and Leon Glass

Phys. Rev. Lett. 113, 158101 (2014) - Published 7 October, 2014

EDITORS' SUGGESTION

Penrose Tilings as Jammed Solids

Olaf Stenull and T. C. Lubensky

Phys. Rev. Lett. 113, 158301 (2014) - Published 6 October, 2014

The elastic and vibrational properties of randomized Penrose tilings - lattices exhibiting 5-fold symmetry - are shown to be similar to those of jammed sphere systems.

Manipulating Semiconductor Colloidal Stability Through Doping

Mark E. Fleharty, Frank van Swol, and Dimiter N. Petsev

Phys. Rev. Lett. 113, 158302 (2014) - Published 7 October, 2014

COMMENTS

Comment on “Single-Slit Electron Diffraction with Aharonov-Bohm Phase: Feynman’s Thought Experiment with Quantum Point Contacts”

S. C. Tiwari

Phys. Rev. Lett. 113, 158901 (2014) - Published 10 October, 2014

Khatua, Bansal, and Shahar Reply:

Pradip Khatua, Bhavtosh Bansal, and Dan Shahar

Phys. Rev. Lett. 113, 158902 (2014) - Published 10 October, 2014