Volume 118, Issue 5

3 February 2017

Browse Issues:

On the Cover

Simulations of enhanced crystal growth in binary Lennard-Jones mixtures: two particle species in a liquid state are shown in black and light grey. The latter particles also appear as fcc (dark green) and hcp (orange) crystals.

From the article:

Enhanced Crystal Growth in Binary Lennard-Jones Mixtures
M. Radu and K. Kremer
Phys. Rev. Lett. 118, 055702 (2017)

EDITORIALS AND ANNOUNCEMENTS

Editorial: From the APS Editor in Chief

Pierre Meystre

Phys. Rev. Lett. 118, 050001 (2017) - Published 3 February, 2017

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements

Brian P. Williams, Ronald J. Sadlier, and Travis S. Humble

Phys. Rev. Lett. 118, 050501 (2017) - Published 1 February, 2017

Researchers have demonstrated the fiber transmission of quantum information in which each quantum bit carries nearly two bits of classical information.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Quantum Performance of Thermal Machines over Many Cycles

Gentaro Watanabe, B. Prasanna Venkatesh, Peter Talkner, and Adolfo del Campo

Phys. Rev. Lett. 118, 050601 (2017) - Published 2 February, 2017

Theoretical calculations show that the performance of a quantum heat engine over several cycles can’t be judged by analyzing just a single cycle.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Sympathetic Ground State Cooling and Time-Dilation Shifts in an ${}^{27}{Al}^{+}$ Optical Clock

J.-S. Chen, S. M. Brewer, C. W. Chou, D. J. Wineland, D. R. Leibrandt, and D. B. Hume

Phys. Rev. Lett. 118, 053002 (2017) - Published 30 January, 2017

A novel method for cooling trapped ions could boost the accuracy of atomic clocks.

FEATURED IN PHYSICS

Poynting-Robertson-like Drag at the Sun’s Surface

Ian Cunnyngham, Marcelo Emilio, Jeff Kuhn, Isabelle Scholl, and Rock Bush

Phys. Rev. Lett. 118, 051102 (2017) - Published 3 February, 2017

Detailed solar observations and theory suggest that photons remove angular momentum from the Sun, explaining why the Sun’s surface spins more slowly than its core.

EDITORS' SUGGESTION

Measurement of the $b$ -Quark Production Cross Section in 7 and 13 TeV $p p$ Collisions

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 118, 052002 (2017) - Published 3 February, 2017

The cross-section for bottom quark production at 13 TeV, as measured by the LHCb Collaboration, differs from QCD predictions.

EDITORS' SUGGESTION

Realization of Translational Symmetry in Trapped Cold Ion Rings

Hao-Kun Li, Erik Urban, Crystal Noel, Alexander Chuang, Yang Xia, Anthony Ransford, Boerge Hemmerling, Yuan Wang, Tongcang Li, Hartmut Häffner, and Xiang Zhang

Phys. Rev. Lett. 118, 053001 (2017) - Published 31 January, 2017

$^{40}$ Ca+ ions in a ring are stabilized to a degree that individual particles can be accessed and controlled.

EDITORS' SUGGESTION

Direct Observation of Spatiotemporal Dynamics of Short Electron Bunches in Storage Rings

C. Evain, E. Roussel, M. Le Parquier, C. Szwaj, M.-A. Tordeux, J.-B. Brubach, L. Manceron, P. Roy, and S. Bielawski

Phys. Rev. Lett. 118, 054801 (2017) - Published 2 February, 2017

The shape of various Terahertz radiation pulses used in synchrotrons is measured with picosecond resolution.

EDITORS' SUGGESTION

Two-Element Mixture of Bose and Fermi Superfluids

Richard Roy, Alaina Green, Ryan Bowler, and Subhadeep Gupta

Phys. Rev. Lett. 118, 055301 (2017) - Published 2 February, 2017

A bosonic-fermionic superfluid mixture containing two different atomic species is reported for the first time. This system could be used to probe collective properties and the generation of exotic states in double superfluids.

EDITORS' SUGGESTION

$P T$ -Symmetric Real Dirac Fermions and Semimetals

Y. X. Zhao and Y. Lu

Phys. Rev. Lett. 118, 056401 (2017) - Published 2 February, 2017

Real monopole charges–generalizations of complex Weyl monopoles–are identified theoretically to have combined inversion and time-reversal symmetry. These charges could be realized in cold atom systems.

EDITORS' SUGGESTION

Observation of Classical-Quantum Crossover of $1 / f$ Flux Noise and Its Paramagnetic Temperature Dependence

C. M. Quintana et al.

Phys. Rev. Lett. 118, 057702 (2017) - Published 31 January, 2017

Measurements of the classical and quantum components of the flux noise in a superconducting qubit indicate that the noise has a paramagnetic origin.

EDITORS' SUGGESTION

Direct Identification of Dilute Surface Spins on ${Al}_{2} O_{3}$ : Origin of Flux Noise in Quantum Circuits

S. E. de Graaf, A. A. Adamyan, T. Lindström, D. Erts, S. E. Kubatkin, A. Ya. Tzalenchuk, and A. V. Danilov

Phys. Rev. Lett. 118, 057703 (2017) - Published 31 January, 2017

Electron-spin-resonance experiments identify surface electron spin noise as the source of flux noise in superconducting qubit circuits.

LETTERS

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

Non-Markovianity Hierarchy of Gaussian Processes and Quantum Amplification

Pietro Liuzzo-Scorpo, Wojciech Roga, Leonardo A. M. Souza, Nadja K. Bernardes, and Gerardo Adesso

Phys. Rev. Lett. 118, 050401 (2017) - Published 31 January, 2017

Rescuing a Quantum Phase Transition with Quantum Noise

Gu Zhang, E. Novais, and Harold U. Baranger

Phys. Rev. Lett. 118, 050402 (2017) - Published 2 February, 2017

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements

Brian P. Williams, Ronald J. Sadlier, and Travis S. Humble

Phys. Rev. Lett. 118, 050501 (2017) - Published 1 February, 2017

Researchers have demonstrated the fiber transmission of quantum information in which each quantum bit carries nearly two bits of classical information.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Quantum Performance of Thermal Machines over Many Cycles

Gentaro Watanabe, B. Prasanna Venkatesh, Peter Talkner, and Adolfo del Campo

Phys. Rev. Lett. 118, 050601 (2017) - Published 2 February, 2017

Theoretical calculations show that the performance of a quantum heat engine over several cycles can’t be judged by analyzing just a single cycle.

Short-Time Behavior and Criticality of Driven Lattice Gases

Urna Basu, Valerio Volpati, Sergio Caracciolo, and Andrea Gambassi

Phys. Rev. Lett. 118, 050602 (2017) - Published 3 February, 2017

Gravitation and Astrophysics

Analytic Gravitational Waveforms for Generic Precessing Binary Inspirals

Katerina Chatziioannou, Antoine Klein, Neil Cornish, and Nicolás Yunes

Phys. Rev. Lett. 118, 051101 (2017) - Published 31 January, 2017

FEATURED IN PHYSICS

Poynting-Robertson-like Drag at the Sun’s Surface

Ian Cunnyngham, Marcelo Emilio, Jeff Kuhn, Isabelle Scholl, and Rock Bush

Phys. Rev. Lett. 118, 051102 (2017) - Published 3 February, 2017

Detailed solar observations and theory suggest that photons remove angular momentum from the Sun, explaining why the Sun’s surface spins more slowly than its core.

Gravitational Smoothing of Kinks on Cosmic String Loops

Jeremy M. Wachter and Ken D. Olum

Phys. Rev. Lett. 118, 051301 (2017) - Published 30 January, 2017

Elementary Particles and Fields

Positivity of Curvature-Squared Corrections in Gravity

Clifford Cheung and Grant N. Remmen

Phys. Rev. Lett. 118, 051601 (2017) - Published 1 February, 2017

Observation of $D^{0} \to ρ^{0} γ$ and Search for $C P$ Violation in Radiative Charm Decays

T. Nanut et al. (Belle Collaboration)

Phys. Rev. Lett. 118, 051801 (2017) - Published 31 January, 2017

Small- $x$ Asymptotics of the Quark Helicity Distribution

Yuri V. Kovchegov, Daniel Pitonyak, and Matthew D. Sievert

Phys. Rev. Lett. 118, 052001 (2017) - Published 30 January, 2017

EDITORS' SUGGESTION

Measurement of the $b$ -Quark Production Cross Section in 7 and 13 TeV $p p$ Collisions

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 118, 052002 (2017) - Published 3 February, 2017

The cross-section for bottom quark production at 13 TeV, as measured by the LHCb Collaboration, differs from QCD predictions.

Nuclear Physics

Isomeric Character of the Lowest Observed $4^{+}$ State in ${}^{44}S$

J. J. Parker, IV, I. Wiedenhöver, P. D. Cottle, J. Baker, D. McPherson, M. A. Riley, D. Santiago-Gonzalez, A. Volya, V. M. Bader, T. Baugher, D. Bazin, A. Gade, T. Ginter, H. Iwasaki, C. Loelius, C. Morse, F. Recchia, D. Smalley, S. R. Stroberg, K. Whitmore, D. Weisshaar, A. Lemasson, H. L. Crawford, A. O. Macchiavelli, and K. Wimmer

Phys. Rev. Lett. 118, 052501 (2017) - Published 31 January, 2017

Time-Reversal Measurement of the $p$ -Wave Cross Sections of the ${}^{7}{Be} (n, α) {}^{4}{He}$ Reaction for the Cosmological Li Problem

T. Kawabata et al.

Phys. Rev. Lett. 118, 052701 (2017) - Published 3 February, 2017

Atomic, Molecular, and Optical Physics

EDITORS' SUGGESTION

Realization of Translational Symmetry in Trapped Cold Ion Rings

Hao-Kun Li, Erik Urban, Crystal Noel, Alexander Chuang, Yang Xia, Anthony Ransford, Boerge Hemmerling, Yuan Wang, Tongcang Li, Hartmut Häffner, and Xiang Zhang

Phys. Rev. Lett. 118, 053001 (2017) - Published 31 January, 2017

$^{40}$ Ca+ ions in a ring are stabilized to a degree that individual particles can be accessed and controlled.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Sympathetic Ground State Cooling and Time-Dilation Shifts in an ${}^{27}{Al}^{+}$ Optical Clock

J.-S. Chen, S. M. Brewer, C. W. Chou, D. J. Wineland, D. R. Leibrandt, and D. B. Hume

Phys. Rev. Lett. 118, 053002 (2017) - Published 30 January, 2017

A novel method for cooling trapped ions could boost the accuracy of atomic clocks.

Electron Vortices in Femtosecond Multiphoton Ionization

D. Pengel, S. Kerbstadt, D. Johannmeyer, L. Englert, T. Bayer, and M. Wollenhaupt

Phys. Rev. Lett. 118, 053003 (2017) - Published 2 February, 2017

Will a Decaying Atom Feel a Friction Force?

Matthias Sonnleitner, Nils Trautmann, and Stephen M. Barnett

Phys. Rev. Lett. 118, 053601 (2017) - Published 3 February, 2017

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Ultrafast Structure Switching through Nonlinear Phononics

D. M. Juraschek, M. Fechner, and N. A. Spaldin

Phys. Rev. Lett. 118, 054101 (2017) - Published 31 January, 2017

Resolving the Pinning Force of Nanobubbles with Optical Microscopy

Beng Hau Tan (陈明豪), Hongjie An (安红杰), and Claus-Dieter Ohl

Phys. Rev. Lett. 118, 054501 (2017) - Published 31 January, 2017

Liquid-Grain Mixing Suppresses Droplet Spreading and Splashing during Impact

Song-Chuan Zhao (赵松川), Rianne de Jong, and Devaraj van der Meer

Phys. Rev. Lett. 118, 054502 (2017) - Published 31 January, 2017

Plasma and Beam Physics

EDITORS' SUGGESTION

Direct Observation of Spatiotemporal Dynamics of Short Electron Bunches in Storage Rings

C. Evain, E. Roussel, M. Le Parquier, C. Szwaj, M.-A. Tordeux, J.-B. Brubach, L. Manceron, P. Roy, and S. Bielawski

Phys. Rev. Lett. 118, 054801 (2017) - Published 2 February, 2017

The shape of various Terahertz radiation pulses used in synchrotrons is measured with picosecond resolution.

Generation of Ramped Current Profiles in Relativistic Electron Beams Using Wakefields in Dielectric Structures

G. Andonian, S. Barber, F. H. O’Shea, M. Fedurin, K. Kusche, C. Swinson, and J. B. Rosenzweig

Phys. Rev. Lett. 118, 054802 (2017) - Published 3 February, 2017

Collisional Scaling of the Energy Transfer in Drift-Wave Zonal Flow Turbulence

B. Schmid, P. Manz, M. Ramisch, and U. Stroth

Phys. Rev. Lett. 118, 055001 (2017) - Published 31 January, 2017

Impact of Laser Beam Speckle Structure on Crossed Beam Energy Transfer via Beam Deflections and Ponderomotive Self-Focusing

G. Raj and S. Hüller

Phys. Rev. Lett. 118, 055002 (2017) - Published 1 February, 2017

Relativistic Magnetic Reconnection in Kerr Spacetime

Felipe A. Asenjo and Luca Comisso

Phys. Rev. Lett. 118, 055101 (2017) - Published 2 February, 2017

Classes of Hydrodynamic and Magnetohydrodynamic Turbulent Decay

Axel Brandenburg and Tina Kahniashvili

Phys. Rev. Lett. 118, 055102 (2017) - Published 3 February, 2017

Kinetic Turbulence in Relativistic Plasma: From Thermal Bath to Nonthermal Continuum

Vladimir Zhdankin, Gregory R. Werner, Dmitri A. Uzdensky, and Mitchell C. Begelman

Phys. Rev. Lett. 118, 055103 (2017) - Published 3 February, 2017

Condensed Matter: Structure, etc.

EDITORS' SUGGESTION

Two-Element Mixture of Bose and Fermi Superfluids

Richard Roy, Alaina Green, Ryan Bowler, and Subhadeep Gupta

Phys. Rev. Lett. 118, 055301 (2017) - Published 2 February, 2017

Experimental Evidence for Static Charge Density Waves in Iron Oxypnictides

A. Martinelli, P. Manfrinetti, A. Provino, A. Genovese, F. Caglieris, G. Lamura, C. Ritter, and M. Putti

Phys. Rev. Lett. 118, 055701 (2017) - Published 31 January, 2017

Enhanced Crystal Growth in Binary Lennard-Jones Mixtures

M. Radu and K. Kremer

Phys. Rev. Lett. 118, 055702 (2017) - Published 31 January, 2017

Condensed Matter: Electronic Properties, etc.

EDITORS' SUGGESTION

$P T$ -Symmetric Real Dirac Fermions and Semimetals

Y. X. Zhao and Y. Lu

Phys. Rev. Lett. 118, 056401 (2017) - Published 2 February, 2017

Dynamical Response near Quantum Critical Points

Andrew Lucas, Snir Gazit, Daniel Podolsky, and William Witczak-Krempa

Phys. Rev. Lett. 118, 056601 (2017) - Published 2 February, 2017

$6 π$ Josephson Effect in Majorana Box Devices

A. Zazunov, F. Buccheri, P. Sodano, and R. Egger

Phys. Rev. Lett. 118, 057001 (2017) - Published 1 February, 2017

Picosecond Spin Seebeck Effect

Johannes Kimling, Gyung-Min Choi, Jack T. Brangham, Tristan Matalla-Wagner, Torsten Huebner, Timo Kuschel, Fengyuan Yang, and David G. Cahill

Phys. Rev. Lett. 118, 057201 (2017) - Published 1 February, 2017

Imaging Current-Induced Switching of Antiferromagnetic Domains in CuMnAs

M. J. Grzybowski, P. Wadley, K. W. Edmonds, R. Beardsley, V. Hills, R. P. Campion, B. L. Gallagher, J. S. Chauhan, V. Novak, T. Jungwirth, F. Maccherozzi, and S. S. Dhesi

Phys. Rev. Lett. 118, 057701 (2017) - Published 31 January, 2017

EDITORS' SUGGESTION

Observation of Classical-Quantum Crossover of $1 / f$ Flux Noise and Its Paramagnetic Temperature Dependence

C. M. Quintana et al.

Phys. Rev. Lett. 118, 057702 (2017) - Published 31 January, 2017

Measurements of the classical and quantum components of the flux noise in a superconducting qubit indicate that the noise has a paramagnetic origin.

EDITORS' SUGGESTION

Direct Identification of Dilute Surface Spins on ${Al}_{2} O_{3}$ : Origin of Flux Noise in Quantum Circuits

S. E. de Graaf, A. A. Adamyan, T. Lindström, D. Erts, S. E. Kubatkin, A. Ya. Tzalenchuk, and A. V. Danilov

Phys. Rev. Lett. 118, 057703 (2017) - Published 31 January, 2017

Electron-spin-resonance experiments identify surface electron spin noise as the source of flux noise in superconducting qubit circuits.

Polymer, Soft Matter, Biological, Climate, and Interdisciplinary Physics

Microscopic Description of the Granular Fluidity Field in Nonlocal Flow Modeling

Qiong Zhang and Ken Kamrin

Phys. Rev. Lett. 118, 058001 (2017) - Published 31 January, 2017

Stochastic Dynamics through Hierarchically Embedded Markov Chains

Vítor V. Vasconcelos, Fernando P. Santos, Francisco C. Santos, and Jorge M. Pacheco

Phys. Rev. Lett. 118, 058301 (2017) - Published 1 February, 2017

ERRATA

Publisher’s Note: Anisotropic Invariance and the Distribution of Quantum Correlations [Phys. Rev. Lett. 118, 010401 (2017)]

Shuming Cheng and Michael J. W. Hall

Phys. Rev. Lett. 118, 059901 (2017) - Published 2 February, 2017

Erratum: General Non-Markovian Dynamics of Open Quantum Systems [Phys. Rev. Lett. 109, 170402 (2012)]

Wei-Min Zhang, Ping-Yuan Lo, Heng-Na Xiong, Matisse Wei-Yuan Tu, and Franco Nori

Phys. Rev. Lett. 118, 059902 (2017) - Published 3 February, 2017