Volume 118, Issue 21

26 May 2017

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On the Cover

2D spatial emission of a polariton fluid expanding a fraction of a millimeter. The dark disk is the pumping spot and the V shape feature on the right is a natural defect.

From the article:

Macroscopic Two-Dimensional Polariton Condensates
Dario Ballarini, Davide Caputo, Carlos Sánchez Muñoz, Milena De Giorgi, Lorenzo Dominici, Marzena H. Szymańska, Kenneth West, Loren N. Pfeiffer, Giuseppe Gigli, Fabrice P. Laussy, and Daniele Sanvitto
Phys. Rev. Lett. 118, 215301 (2017)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Multimode and Long-Lived Quantum Correlations Between Photons and Spins in a Crystal

Cyril Laplane, Pierre Jobez, Jean Etesse, Nicolas Gisin, and Mikael Afzelius

Phys. Rev. Lett. 118, 210501 (2017) - Published 24 May, 2017

Crystals with rare-earth ions could lead to quantum repeaters that enable secure quantum communications over long distances.

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Solid-State Source of Nonclassical Photon Pairs with Embedded Multimode Quantum Memory

Kutlu Kutluer, Margherita Mazzera, and Hugues de Riedmatten

Phys. Rev. Lett. 118, 210502 (2017) - Published 24 May, 2017

Crystals with rare-earth ions could lead to quantum repeaters that enable secure quantum communications over long distances.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Testing General Relativity with Stellar Orbits around the Supermassive Black Hole in Our Galactic Center

A. Hees, T. Do, A. M. Ghez, G. D. Martinez, S. Naoz, E. E. Becklin, A. Boehle, S. Chappell, D. Chu, A. Dehghanfar, K. Kosmo, J. R. Lu, K. Matthews, M. R. Morris, S. Sakai, R. Schödel, and G. Witzel

Phys. Rev. Lett. 118, 211101 (2017) - Published 25 May, 2017

Observations of the orbits of two stars at the center of the Milky Way constrain gravitational models involving a hypothetical fifth force.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Quantum Loop Topography for Machine Learning

Yi Zhang and Eun-Ah Kim

Phys. Rev. Lett. 118, 216401 (2017) - Published 22 May, 2017

A new machine-learning algorithm based on a neural network can tell a topological phase of matter from a conventional one.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Origin of Granular Capillarity Revealed by Particle-Based Simulations

Fengxian Fan, Eric J. R. Parteli, and Thorsten Pöschel

Phys. Rev. Lett. 118, 218001 (2017) - Published 23 May, 2017

Numerical simulations show that a previously observed capillary-like action in vibrating grain systems is due to convective motion of the grains.

FEATURED IN PHYSICS

Cavity Carving of Atomic Bell States

Stephan Welte, Bastian Hacker, Severin Daiss, Stephan Ritter, and Gerhard Rempe

Phys. Rev. Lett. 118, 210503 (2017) - Published 26 May, 2017

Two atoms in a cavity are entangled by carving off unwanted parts of the wave functions that describe them.

EDITORS' SUGGESTION

Solving Systems of Linear Equations with a Superconducting Quantum Processor

Yarui Zheng, Chao Song, Ming-Cheng Chen, Benxiang Xia, Wuxin Liu, Qiujiang Guo, Libo Zhang, Da Xu, Hui Deng, Keqiang Huang, Yulin Wu, Zhiguang Yan, Dongning Zheng, Li Lu, Jian-Wei Pan, H. Wang, Chao-Yang Lu, and Xiaobo Zhu

Phys. Rev. Lett. 118, 210504 (2017) - Published 26 May, 2017

A quantum algorithm for solving a system of linear equations is implemented using a scalable platform based on superconducting qubits.

EDITORS' SUGGESTION

Subfemtosecond Control of Molecular Fragmentation by Hard X-Ray Photons

O. Travnikova, N. Sisourat, T. Marchenko, G. Goldsztejn, R. Guillemin, L. Journel, D. Céolin, I. Ismail, A. F. Lago, R. Püttner, M. N. Piancastelli, and M. Simon

Phys. Rev. Lett. 118, 213001 (2017) - Published 26 May, 2017

The dissociation dynamics of a HCl molecule are manipulated by carefully detuning the excitation energy of an incoming x-ray photon.

LETTERS

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

Quasiparticle Energy in a Strongly Interacting Homogeneous Bose-Einstein Condensate

Raphael Lopes, Christoph Eigen, Adam Barker, Konrad G. H. Viebahn, Martin Robert-de-Saint-Vincent, Nir Navon, Zoran Hadzibabic, and Robert P. Smith

Phys. Rev. Lett. 118, 210401 (2017) - Published 23 May, 2017

Long-Range Repulsion Between Spatially Confined van der Waals Dimers

Mainak Sadhukhan and Alexandre Tkatchenko

Phys. Rev. Lett. 118, 210402 (2017) - Published 25 May, 2017

Entangled Dynamics in Macroscopic Quantum Tunneling of Bose-Einstein Condensates

Diego A. Alcala, Joseph A. Glick, and Lincoln D. Carr

Phys. Rev. Lett. 118, 210403 (2017) - Published 25 May, 2017

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Multimode and Long-Lived Quantum Correlations Between Photons and Spins in a Crystal

Cyril Laplane, Pierre Jobez, Jean Etesse, Nicolas Gisin, and Mikael Afzelius

Phys. Rev. Lett. 118, 210501 (2017) - Published 24 May, 2017

Crystals with rare-earth ions could lead to quantum repeaters that enable secure quantum communications over long distances.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Solid-State Source of Nonclassical Photon Pairs with Embedded Multimode Quantum Memory

Kutlu Kutluer, Margherita Mazzera, and Hugues de Riedmatten

Phys. Rev. Lett. 118, 210502 (2017) - Published 24 May, 2017

Crystals with rare-earth ions could lead to quantum repeaters that enable secure quantum communications over long distances.

FEATURED IN PHYSICS

Cavity Carving of Atomic Bell States

Stephan Welte, Bastian Hacker, Severin Daiss, Stephan Ritter, and Gerhard Rempe

Phys. Rev. Lett. 118, 210503 (2017) - Published 26 May, 2017

Two atoms in a cavity are entangled by carving off unwanted parts of the wave functions that describe them.

EDITORS' SUGGESTION

Solving Systems of Linear Equations with a Superconducting Quantum Processor

Phys. Rev. Lett. 118, 210504 (2017) - Published 26 May, 2017

A quantum algorithm for solving a system of linear equations is implemented using a scalable platform based on superconducting qubits.

Gravitation and Astrophysics

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Testing General Relativity with Stellar Orbits around the Supermassive Black Hole in Our Galactic Center

A. Hees, T. Do, A. M. Ghez, G. D. Martinez, S. Naoz, E. E. Becklin, A. Boehle, S. Chappell, D. Chu, A. Dehghanfar, K. Kosmo, J. R. Lu, K. Matthews, M. R. Morris, S. Sakai, R. Schödel, and G. Witzel

Phys. Rev. Lett. 118, 211101 (2017) - Published 25 May, 2017

Observations of the orbits of two stars at the center of the Milky Way constrain gravitational models involving a hypothetical fifth force.

Impact of Next-to-Leading Order Contributions to Cosmic Microwave Background Lensing

Giovanni Marozzi, Giuseppe Fanizza, Enea Di Dio, and Ruth Durrer

Phys. Rev. Lett. 118, 211301 (2017) - Published 23 May, 2017

Elementary Particles and Fields

Measurement of the $τ$ Lepton Polarization and $R (D^{})$ in the Decay $\bar{B} \to D^{} τ^{-} {\bar{ν}}_{τ}$

S. Hirose et al. (Belle Collaboration)

Phys. Rev. Lett. 118, 211801 (2017) - Published 26 May, 2017

Study of $η$ and $η'$ Photoproduction at MAMI

V. L. Kashevarov et al. (A2 Collaboration at MAMI)

Phys. Rev. Lett. 118, 212001 (2017) - Published 26 May, 2017

Nuclear Physics

Measurement of $D^{0}$ Azimuthal Anisotropy at Midrapidity in $Au + Au$ Collisions at $\sqrt{s_{N N}} = 200 GeV$

L. Adamczyk et al. (STAR Collaboration)

Phys. Rev. Lett. 118, 212301 (2017) - Published 26 May, 2017

Reduced Transition Probabilities for the Gamma Decay of the 7.8 eV Isomer in ${}^{229}{Th}$

Nikolay Minkov and Adriana Pálffy

Phys. Rev. Lett. 118, 212501 (2017) - Published 23 May, 2017

$E 2$ decay strength of the $M 1$ scissors mode of ${}^{156}{Gd}$ and its first excited rotational state

T. Beck, J. Beller, N. Pietralla, M. Bhike, J. Birkhan, V. Derya, U. Gayer, A. Hennig, J. Isaak, B. Löher, V. Yu. Ponomarev, A. Richter, C. Romig, D. Savran, M. Scheck, W. Tornow, V. Werner, A. Zilges, and M. Zweidinger

Phys. Rev. Lett. 118, 212502 (2017) - Published 26 May, 2017

Atomic, Molecular, and Optical Physics

EDITORS' SUGGESTION

Subfemtosecond Control of Molecular Fragmentation by Hard X-Ray Photons

O. Travnikova, N. Sisourat, T. Marchenko, G. Goldsztejn, R. Guillemin, L. Journel, D. Céolin, I. Ismail, A. F. Lago, R. Püttner, M. N. Piancastelli, and M. Simon

Phys. Rev. Lett. 118, 213001 (2017) - Published 26 May, 2017

The dissociation dynamics of a HCl molecule are manipulated by carefully detuning the excitation energy of an incoming x-ray photon.

Numerical Detector Theory for the Longitudinal Momentum Distribution of the Electron in Strong Field Ionization

Justin Tian, Xu Wang, and J. H. Eberly

Phys. Rev. Lett. 118, 213201 (2017) - Published 26 May, 2017

Cold Anisotropically Interacting van der Waals Molecule: TiHe

Nancy Quiros, Naima Tariq, Timur V. Tscherbul, Jacek Kłos, and Jonathan D. Weinstein

Phys. Rev. Lett. 118, 213401 (2017) - Published 26 May, 2017

Efficient Multiphoton Generation in Waveguide Quantum Electrodynamics

A. González-Tudela, V. Paulisch, H. J. Kimble, and J. I. Cirac

Phys. Rev. Lett. 118, 213601 (2017) - Published 24 May, 2017

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Proof of Concept for an Ultrasensitive Technique to Detect and Localize Sources of Elastic Nonlinearity Using Phononic Crystals

M. Miniaci, A. S. Gliozzi, B. Morvan, A. Krushynska, F. Bosia, M. Scalerandi, and N. M. Pugno

Phys. Rev. Lett. 118, 214301 (2017) - Published 26 May, 2017

Plasma and Beam Physics

Chirp Mitigation of Plasma-Accelerated Beams by a Modulated Plasma Density

R. Brinkmann, N. Delbos, I. Dornmair, M. Kirchen, R. Assmann, C. Behrens, K. Floettmann, J. Grebenyuk, M. Gross, S. Jalas, T. Mehrling, A. Martinez de la Ossa, J. Osterhoff, B. Schmidt, V. Wacker, and A. R. Maier

Phys. Rev. Lett. 118, 214801 (2017) - Published 23 May, 2017

Condensed Matter: Structure, etc.

Macroscopic Two-Dimensional Polariton Condensates

Dario Ballarini, Davide Caputo, Carlos Sánchez Muñoz, Milena De Giorgi, Lorenzo Dominici, Marzena H. Szymańska, Kenneth West, Loren N. Pfeiffer, Giuseppe Gigli, Fabrice P. Laussy, and Daniele Sanvitto

Phys. Rev. Lett. 118, 215301 (2017) - Published 26 May, 2017

From Glass Formation to Icosahedral Ordering by Curving Three-Dimensional Space

Francesco Turci, Gilles Tarjus, and C. Patrick Royall

Phys. Rev. Lett. 118, 215501 (2017) - Published 26 May, 2017

Emergence and Evolution of the $k$ Gap in Spectra of Liquid and Supercritical States

C. Yang, M. T. Dove, V. V. Brazhkin, and K. Trachenko

Phys. Rev. Lett. 118, 215502 (2017) - Published 26 May, 2017

Nontrivial Critical Fixed Point for Replica-Symmetry-Breaking Transitions

Patrick Charbonneau and Sho Yaida

Phys. Rev. Lett. 118, 215701 (2017) - Published 26 May, 2017

Condensed Matter: Electronic Properties, etc.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Quantum Loop Topography for Machine Learning

Yi Zhang and Eun-Ah Kim

Phys. Rev. Lett. 118, 216401 (2017) - Published 22 May, 2017

A new machine-learning algorithm based on a neural network can tell a topological phase of matter from a conventional one.

Many-Body Topological Invariants for Fermionic Symmetry-Protected Topological Phases

Hassan Shapourian, Ken Shiozaki, and Shinsei Ryu

Phys. Rev. Lett. 118, 216402 (2017) - Published 25 May, 2017

Spectral Flow and Global Topology of the Hofstadter Butterfly

János K. Asbóth and Andrea Alberti

Phys. Rev. Lett. 118, 216801 (2017) - Published 25 May, 2017

Randomized Benchmarking of Barrier versus Tilt Control of a Singlet-Triplet Qubit

Chengxian Zhang, Robert E. Throckmorton, Xu-Chen Yang, Xin Wang, Edwin Barnes, and S. Das Sarma

Phys. Rev. Lett. 118, 216802 (2017) - Published 26 May, 2017

Fingerprints of a Bosonic Symmetry-Protected Topological State in a Quantum Point Contact

Rui-Xing Zhang and Chao-Xing Liu

Phys. Rev. Lett. 118, 216803 (2017) - Published 26 May, 2017

Cavity Mediated Manipulation of Distant Spin Currents Using a Cavity-Magnon-Polariton

Lihui Bai, Michael Harder, Paul Hyde, Zhaohui Zhang, Can-Ming Hu, Y. P. Chen, and John Q. Xiao

Phys. Rev. Lett. 118, 217201 (2017) - Published 25 May, 2017

Spin-Orbit Dimers and Noncollinear Phases in $d^{1}$ Cubic Double Perovskites

Judit Romhányi, Leon Balents, and George Jackeli

Phys. Rev. Lett. 118, 217202 (2017) - Published 26 May, 2017

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

Twist-Bend Coupling and the Torsional Response of Double-Stranded DNA

Stefanos K. Nomidis, Franziska Kriegel, Willem Vanderlinden, Jan Lipfert, and Enrico Carlon

Phys. Rev. Lett. 118, 217801 (2017) - Published 26 May, 2017

Role of the Intercrystalline Tie Chains Network in the Mechanical Response of Semicrystalline Polymers

Sara Jabbari-Farouji, Olivier Lame, Michel Perez, Joerg Rottler, and Jean-Louis Barrat

Phys. Rev. Lett. 118, 217802 (2017) - Published 26 May, 2017

Semiflexible Polymers in Spherical Confinement: Bipolar Orientational Order Versus Tennis Ball States

Arash Nikoubashman, Daniel A. Vega, Kurt Binder, and Andrey Milchev

Phys. Rev. Lett. 118, 217803 (2017) - Published 26 May, 2017

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Origin of Granular Capillarity Revealed by Particle-Based Simulations

Fengxian Fan, Eric J. R. Parteli, and Thorsten Pöschel

Phys. Rev. Lett. 118, 218001 (2017) - Published 23 May, 2017

Numerical simulations show that a previously observed capillary-like action in vibrating grain systems is due to convective motion of the grains.

ERRATA

Erratum: Anatomy of Dzyaloshinskii-Moriya Interaction at $Co / Pt$ Interfaces [Phys. Rev. Lett. 115, 267210 (2015)]

Hongxin Yang, André Thiaville, Stanislas Rohart, Albert Fert, and Mairbek Chshiev

Phys. Rev. Lett. 118, 219901 (2017) - Published 24 May, 2017

Erratum: First-Principles Approach to Calculating Energy Level Alignment at Aqueous Semiconductor Interfaces [Phys. Rev. Lett. 113, 176802 (2014)]

Neerav Kharche, James T. Muckerman, and Mark S. Hybertsen

Phys. Rev. Lett. 118, 219902 (2017) - Published 25 May, 2017

Erratum: Bright Solitonic Matter-Wave Interferometer [Phys. Rev. Lett. 113, 013002 (2014)]

G. D. McDonald, C. C. N. Kuhn, K. S. Hardman, S. Bennetts, P. J. Everitt, P. A. Altin, J. E. Debs, J. D. Close, and N. P. Robins

Phys. Rev. Lett. 118, 219903 (2017) - Published 26 May, 2017