Volume 115, Issue 7

14 August 2015

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On the Cover

Diagram of the decay of a Λ_b⁰ baryon into a K^- meson and a charmonium pentaquark (P_C⁺) state. Selected for an Editors’ Suggestion and a Viewpoint in Physics.

From the article:

Observation of $J / ψ p$ Resonances Consistent with Pentaquark States in $Λ_{b}^{0} \to J / ψ K^{-} p$ Decays
R. Aaij et al. (LHCb Collaboration)
Phys. Rev. Lett. 115, 072001 (2015)

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Observation of $J / ψ p$ Resonances Consistent with Pentaquark States in $Λ_{b}^{0} \to J / ψ K^{-} p$ Decays

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 115, 072001 (2015) - Published 12 August, 2015

A new type of particle containing five quarks has been observed by the LHCb experiment.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Experimental Observation of Quasicrystal Growth

Keisuke Nagao, Tomoaki Inuzuka, Kazue Nishimoto, and Keiichi Edagawa

Phys. Rev. Lett. 115, 075501 (2015) - Published 10 August, 2015

In situ high-resolution transmission electron microscopy has been used to spot quasicrystals in the act of growing.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

X-Ray Diffraction of Solid Tin to 1.2 TPa

A. Lazicki, J. R. Rygg, F. Coppari, R. Smith, D. Fratanduono, R. G. Kraus, G. W. Collins, R. Briggs, D. G. Braun, D. C. Swift, and J. H. Eggert

Phys. Rev. Lett. 115, 075502 (2015) - Published 12 August, 2015

Solid tin has been compressed to a record high pressure without undergoing melting.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Probing Charges on the Atomic Scale by Means of Atomic Force Microscopy

F. Albrecht, J. Repp, M. Fleischmann, M. Scheer, M. Ondráček, and P. Jelínek

Phys. Rev. Lett. 115, 076101 (2015) - Published 13 August, 2015

A new scanning-probe-microscopy technique can image the polarity of individual chemical bonds.

FEATURED IN PHYSICS

Self-Propelled Droplet Removal from Hydrophobic Fiber-Based Coalescers

Kungang Zhang, Fangjie Liu, Adam J. Williams, Xiaopeng Qu, James J. Feng, and Chuan-Hua Chen

Phys. Rev. Lett. 115, 074502 (2015) - Published 14 August, 2015

Liquid droplets that gather on a fine, water-repelling fiber kick themselves off the fiber as they coalesce.

FEATURED IN PHYSICS

Confinement Induced Plastic Crystal-to-Crystal Transitions in Rodlike Particles with Long-Ranged Repulsion

Bing Liu, Thijs H. Besseling, Alfons van Blaaderen, and Arnout Imhof

Phys. Rev. Lett. 115, 078301 (2015) - Published 11 August, 2015

Rod-shaped particles in a liquid arrange into a variety of structures when subjected to confining walls, an effect that might be used to design optical materials.

EDITORS' SUGGESTION

Testing the Dark Matter Scenario for PeV Neutrinos Observed in IceCube

Kohta Murase, Ranjan Laha, Shin’ichiro Ando, and Markus Ahlers

Phys. Rev. Lett. 115, 071301 (2015) - Published 11 August, 2015

A class of very-heavy dark matter models could account for the ultra high energy neutrinos observed by IceCube and will be tested by future $γ$ -ray detectors and neutrino telescopes.

EDITORS' SUGGESTION

Four-Dimensional Entropy from Three-Dimensional Gravity

S. Carlip

Phys. Rev. Lett. 115, 071302 (2015) - Published 13 August, 2015

The entropy of a black hole in loop quantum gravity is computed. The four-dimensional boundary term, that must be added to the loop quantum gravity action due to the presence of a black hole, maps to gravity in three dimensional spacetime.

EDITORS' SUGGESTION

Gravity and the Stability of the Higgs Vacuum

Philipp Burda, Ruth Gregory, and Ian G. Moss

Phys. Rev. Lett. 115, 071303 (2015) - Published 13 August, 2015

In some models, primordial black holes would have acted as seeds of Higgs vacuum decay reducing the Universe’s lifetime from trillions of years to fractions of a second. These regions of parameter space are thus ruled out.

EDITORS' SUGGESTION

Hydrodynamics Beyond the Gradient Expansion: Resurgence and Resummation

Michal P. Heller and Michał Spaliński

Phys. Rev. Lett. 115, 072501 (2015) - Published 14 August, 2015

The method of resurgence used in quantum field theories can address foundational aspects of relativistic hydrodynamics and its applicability to systems having large flow gradients.

LETTERS

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

Non-Markovianity of Gaussian Channels

G. Torre, W. Roga, and F. Illuminati

Phys. Rev. Lett. 115, 070401 (2015) - Published 13 August, 2015

Estimating Outcome Probabilities of Quantum Circuits Using Quasiprobabilities

Hakop Pashayan, Joel J. Wallman, and Stephen D. Bartlett

Phys. Rev. Lett. 115, 070501 (2015) - Published 10 August, 2015

Quantum Storage of Three-Dimensional Orbital-Angular-Momentum Entanglement in a Crystal

Zong-Quan Zhou, Yi-Lin Hua, Xiao Liu, Geng Chen, Jin-Shi Xu, Yong-Jian Han, Chuan-Feng Li, and Guang-Can Guo

Phys. Rev. Lett. 115, 070502 (2015) - Published 13 August, 2015

Reversible Framework for Quantum Resource Theories

Fernando G. S. L. Brandão and Gilad Gour

Phys. Rev. Lett. 115, 070503 (2015) - Published 14 August, 2015

Variationally Optimized Free-Energy Flooding for Rate Calculation

James McCarty, Omar Valsson, Pratyush Tiwary, and Michele Parrinello

Phys. Rev. Lett. 115, 070601 (2015) - Published 10 August, 2015

Maximizing Coherence of Oscillations by External Locking

Arkady Pikovsky

Phys. Rev. Lett. 115, 070602 (2015) - Published 13 August, 2015

Gravitation and Astrophysics

EDITORS' SUGGESTION

Testing the Dark Matter Scenario for PeV Neutrinos Observed in IceCube

Kohta Murase, Ranjan Laha, Shin’ichiro Ando, and Markus Ahlers

Phys. Rev. Lett. 115, 071301 (2015) - Published 11 August, 2015

A class of very-heavy dark matter models could account for the ultra high energy neutrinos observed by IceCube and will be tested by future $γ$ -ray detectors and neutrino telescopes.

EDITORS' SUGGESTION

Four-Dimensional Entropy from Three-Dimensional Gravity

S. Carlip

Phys. Rev. Lett. 115, 071302 (2015) - Published 13 August, 2015

EDITORS' SUGGESTION

Gravity and the Stability of the Higgs Vacuum

Philipp Burda, Ruth Gregory, and Ian G. Moss

Phys. Rev. Lett. 115, 071303 (2015) - Published 13 August, 2015

Constraints on Dark Matter Interactions with Standard Model Particles from Cosmic Microwave Background Spectral Distortions

Yacine Ali-Haïmoud, Jens Chluba, and Marc Kamionkowski

Phys. Rev. Lett. 115, 071304 (2015) - Published 14 August, 2015

Constraining de Sitter Space in String Theory

David Kutasov, Travis Maxfield, Ilarion Melnikov, and Savdeep Sethi

Phys. Rev. Lett. 115, 071305 (2015) - Published 14 August, 2015

Effective Dark Matter Halo Catalog in $f (R)$ Gravity

Jian-hua He, Adam J. Hawken, Baojiu Li, and Luigi Guzzo

Phys. Rev. Lett. 115, 071306 (2015) - Published 14 August, 2015

Elementary Particles and Fields

Nonrenormalization Theorems without Supersymmetry

Clifford Cheung and Chia-Hsien Shen

Phys. Rev. Lett. 115, 071601 (2015) - Published 13 August, 2015

Improved Measurement of the $π \to e ν$ Branching Ratio

A. Aguilar-Arevalo et al. (PIENU Collaboration)

Phys. Rev. Lett. 115, 071801 (2015) - Published 13 August, 2015

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Observation of $J / ψ p$ Resonances Consistent with Pentaquark States in $Λ_{b}^{0} \to J / ψ K^{-} p$ Decays

R. Aaij et al. (LHCb Collaboration)

Phys. Rev. Lett. 115, 072001 (2015) - Published 12 August, 2015

A new type of particle containing five quarks has been observed by the LHCb experiment.

Nuclear Physics

EDITORS' SUGGESTION

Hydrodynamics Beyond the Gradient Expansion: Resurgence and Resummation

Michal P. Heller and Michał Spaliński

Phys. Rev. Lett. 115, 072501 (2015) - Published 14 August, 2015

The method of resurgence used in quantum field theories can address foundational aspects of relativistic hydrodynamics and its applicability to systems having large flow gradients.

Atomic, Molecular, and Optical Physics

Coupled-Trajectory Quantum-Classical Approach to Electronic Decoherence in Nonadiabatic Processes

Seung Kyu Min, Federica Agostini, and E. K. U. Gross

Phys. Rev. Lett. 115, 073001 (2015) - Published 10 August, 2015

Creating State-Dependent Lattices for Ultracold Fermions by Magnetic Gradient Modulation

Gregor Jotzu, Michael Messer, Frederik Görg, Daniel Greif, Rémi Desbuquois, and Tilman Esslinger

Phys. Rev. Lett. 115, 073002 (2015) - Published 13 August, 2015

Rapid Production of Uniformly Filled Arrays of Neutral Atoms

Brian J. Lester, Niclas Luick, Adam M. Kaufman, Collin M. Reynolds, and Cindy A. Regal

Phys. Rev. Lett. 115, 073003 (2015) - Published 14 August, 2015

Interferometric Laser Cooling of Atomic Rubidium

Alexander Dunning, Rachel Gregory, James Bateman, Matthew Himsworth, and Tim Freegarde

Phys. Rev. Lett. 115, 073004 (2015) - Published 14 August, 2015

Theory of Long-Range Ultracold Atom-Molecule Photoassociation

Jesús Pérez-Ríos, Maxence Lepers, and Olivier Dulieu

Phys. Rev. Lett. 115, 073201 (2015) - Published 13 August, 2015

Gaussian Process Model for Collision Dynamics of Complex Molecules

Jie Cui and Roman V. Krems

Phys. Rev. Lett. 115, 073202 (2015) - Published 13 August, 2015

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Light with Tunable Non-Markovian Phase Imprint

Robert Fischer, Itamar Vidal, Doron Gilboa, Ricardo R. B. Correia, Ana C. Ribeiro-Teixeira, Sandra D. Prado, Jandir Hickman, and Yaron Silberberg

Phys. Rev. Lett. 115, 073901 (2015) - Published 14 August, 2015

Influence of Gas Turbulence on the Instability of an Air-Water Mixing Layer

Jean-Philippe Matas, Sylvain Marty, Mohamed Seydou Dem, and Alain Cartellier

Phys. Rev. Lett. 115, 074501 (2015) - Published 11 August, 2015

FEATURED IN PHYSICS

Self-Propelled Droplet Removal from Hydrophobic Fiber-Based Coalescers

Kungang Zhang, Fangjie Liu, Adam J. Williams, Xiaopeng Qu, James J. Feng, and Chuan-Hua Chen

Phys. Rev. Lett. 115, 074502 (2015) - Published 14 August, 2015

Liquid droplets that gather on a fine, water-repelling fiber kick themselves off the fiber as they coalesce.

Plasma and Beam Physics

Ladder Climbing and Autoresonant Acceleration of Plasma Waves

I. Barth, I. Y. Dodin, and N. J. Fisch

Phys. Rev. Lett. 115, 075001 (2015) - Published 11 August, 2015

Condensed Matter: Structure, etc.

Effective Hamiltonians for Rapidly Driven Many-Body Lattice Systems: Induced Exchange Interactions and Density-Dependent Hoppings

A. P. Itin and M. I. Katsnelson

Phys. Rev. Lett. 115, 075301 (2015) - Published 13 August, 2015

Longitudinal Spin Diffusion in a Nondegenerate Trapped ${}^{87}{Rb}$ Gas

D. Niroomand, S. D. Graham, and J. M. McGuirk

Phys. Rev. Lett. 115, 075302 (2015) - Published 14 August, 2015

Stable Dilute Supersolid of Two-Dimensional Dipolar Bosons

Zhen-Kai Lu, Yun Li, D. S. Petrov, and G. V. Shlyapnikov

Phys. Rev. Lett. 115, 075303 (2015) - Published 14 August, 2015

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Experimental Observation of Quasicrystal Growth

Keisuke Nagao, Tomoaki Inuzuka, Kazue Nishimoto, and Keiichi Edagawa

Phys. Rev. Lett. 115, 075501 (2015) - Published 10 August, 2015

In situ high-resolution transmission electron microscopy has been used to spot quasicrystals in the act of growing.

FEATURED IN PHYSICS

EDITORS' SUGGESTION

X-Ray Diffraction of Solid Tin to 1.2 TPa

A. Lazicki, J. R. Rygg, F. Coppari, R. Smith, D. Fratanduono, R. G. Kraus, G. W. Collins, R. Briggs, D. G. Braun, D. C. Swift, and J. H. Eggert

Phys. Rev. Lett. 115, 075502 (2015) - Published 12 August, 2015

Solid tin has been compressed to a record high pressure without undergoing melting.

Stability of a Screw Dislocation in a $⟨ 011 ⟩$ Copper Nanowire

Jean-Marc Roussel and Marc Gailhanou

Phys. Rev. Lett. 115, 075503 (2015) - Published 13 August, 2015

Emergence of an Out-of-Plane Optical Phonon (ZO) Kohn Anomaly in Quasifreestanding Epitaxial Graphene

Antonio Politano, Fernando de Juan, Gennaro Chiarello, and Herbert A. Fertig

Phys. Rev. Lett. 115, 075504 (2015) - Published 14 August, 2015

FEATURED IN PHYSICS

EDITORS' SUGGESTION

Probing Charges on the Atomic Scale by Means of Atomic Force Microscopy

F. Albrecht, J. Repp, M. Fleischmann, M. Scheer, M. Ondráček, and P. Jelínek

Phys. Rev. Lett. 115, 076101 (2015) - Published 13 August, 2015

A new scanning-probe-microscopy technique can image the polarity of individual chemical bonds.

Condensed Matter: Electronic Properties, etc.

Analytic Flow Equations for the Fermi Liquid Parameters of the Anderson Impurity Model

Vassilis Pandis and Alex C. Hewson

Phys. Rev. Lett. 115, 076401 (2015) - Published 10 August, 2015

Collective Modes and Structural Modulation in Ni-Mn-Ga(Co) Martensite Thin Films Probed by Femtosecond Spectroscopy and Scanning Tunneling Microscopy

M. Schubert, H. Schaefer, J. Mayer, A. Laptev, M. Hettich, M. Merklein, C. He, C. Rummel, O. Ristow, M. Großmann, Y. Luo, V. Gusev, K. Samwer, M. Fonin, T. Dekorsy, and J. Demsar

Phys. Rev. Lett. 115, 076402 (2015) - Published 13 August, 2015

Anderson Localization and the Quantum Phase Diagram of Three Dimensional Disordered Dirac Semimetals

J. H. Pixley, Pallab Goswami, and S. Das Sarma

Phys. Rev. Lett. 115, 076601 (2015) - Published 11 August, 2015

Spin Hall Effects Due to Phonon Skew Scattering

Cosimo Gorini, Ulrich Eckern, and Roberto Raimondi

Phys. Rev. Lett. 115, 076602 (2015) - Published 14 August, 2015

Origin of the Anomalous Mass Renormalization in Metallic Quantum Well States of Strongly Correlated Oxide ${SrVO}_{3}$

Masaki Kobayashi, Kohei Yoshimatsu, Enju Sakai, Miho Kitamura, Koji Horiba, Atsushi Fujimori, and Hiroshi Kumigashira

Phys. Rev. Lett. 115, 076801 (2015) - Published 13 August, 2015

Helical Spin Order from Topological Dirac and Weyl Semimetals

Xiao-Qi Sun, Shou-Cheng Zhang, and Zhong Wang

Phys. Rev. Lett. 115, 076802 (2015) - Published 13 August, 2015

Reconfigurable Quantum-Dot Molecules Created by Atom Manipulation

Yi Pan, Jianshu Yang, Steven C. Erwin, Kiyoshi Kanisawa, and Stefan Fölsch

Phys. Rev. Lett. 115, 076803 (2015) - Published 14 August, 2015

Quantum Spin Liquid Emerging from Antiferromagnetic Order by Introducing Disorder

T. Furukawa, K. Miyagawa, T. Itou, M. Ito, H. Taniguchi, M. Saito, S. Iguchi, T. Sasaki, and K. Kanoda

Phys. Rev. Lett. 115, 077001 (2015) - Published 11 August, 2015

Candidate Source of Flux Noise in SQUIDs: Adsorbed Oxygen Molecules

Hui Wang, Chuntai Shi, Jun Hu, Sungho Han, Clare C. Yu, and R. Q. Wu

Phys. Rev. Lett. 115, 077002 (2015) - Published 14 August, 2015

Efficient Cluster Algorithm for Spin Glasses in Any Space Dimension

Zheng Zhu, Andrew J. Ochoa, and Helmut G. Katzgraber

Phys. Rev. Lett. 115, 077201 (2015) - Published 14 August, 2015

Numerical Evidence of Quantum Melting of Spin Ice: Quantum-to-Classical Crossover

Yasuyuki Kato and Shigeki Onoda

Phys. Rev. Lett. 115, 077202 (2015) - Published 14 August, 2015

Controlled Strong Coupling and Absence of Dark Polaritons in Microcavities with Double Quantum Wells

K. Sivalertporn and E. A. Muljarov

Phys. Rev. Lett. 115, 077401 (2015) - Published 14 August, 2015

Polymer, Soft Matter, Biological, and Interdisciplinary Physics

FEATURED IN PHYSICS

Confinement Induced Plastic Crystal-to-Crystal Transitions in Rodlike Particles with Long-Ranged Repulsion

Bing Liu, Thijs H. Besseling, Alfons van Blaaderen, and Arnout Imhof

Phys. Rev. Lett. 115, 078301 (2015) - Published 11 August, 2015

Rod-shaped particles in a liquid arrange into a variety of structures when subjected to confining walls, an effect that might be used to design optical materials.

ERRATA

Erratum: Multipulse Double-Quantum Magnetometry with Near-Surface Nitrogen-Vacancy Centers [Phys. Rev. Lett. 113, 030803 (2014)]

H. J. Mamin, M. H. Sherwood, M. Kim, C. T. Rettner, K. Ohno, D. D. Awschalom, and D. Rugar

Phys. Rev. Lett. 115, 079901 (2015) - Published 10 August, 2015

Erratum: Prediction of Semimetallic Tetragonal ${Hf}_{2} O_{3}$ and ${Zr}_{2} O_{3}$ from First Principles [Phys. Rev. Lett. 110, 065502 (2013)]

Kan-Hao Xue, Philippe Blaise, Leonardo R. C. Fonseca, and Yoshio Nishi

Phys. Rev. Lett. 115, 079902 (2015) - Published 13 August, 2015

Erratum: Origin of High-Resolution IETS-STM Images of Organic Molecules with Functionalized Tips [Phys. Rev. Lett. 113, 226101 (2014)]

Prokop Hapala, Ruslan Temirov, F. Stefan Tautz, and Pavel Jelínek

Phys. Rev. Lett. 115, 079903 (2015) - Published 12 August, 2015

Publisher’s Note: Tunneling Dynamics in Multiphoton Ionization and Attoclock Calibration [Phys. Rev. Lett. 114, 083001 (2015)]

Michael Klaiber, Karen Z. Hatsagortsyan, and Christoph H. Keitel

Phys. Rev. Lett. 115, 079904 (2015) - Published 12 August, 2015