Author(s): Eloisa Bentivegna and Marco BruniCosmologists have begun using fully relativistic models to understand the effects of inhomogeneous matter distribution on the evolution of the Universe.[Phys. Rev. Lett. 116, 251302] Published Fri Jun 24, 2016
Prediction and Control of Slip-Free Rotation States in Sphere Assemblies
Author(s): D. V. Stäger, N. A. M. Araújo, and H. J. Herrmann
Spinning a few spheres among a large collection of them can lead to a predictable state where each sphere rotates in synch with the others.
[Phys. Rev. Lett. 116, 254301] Published Fri Jun 24, 2016
Persistent Superfluid Flow Arising from the He-McKellar-Wilkens Effect in Molecular Dipolar Condensates
Author(s): A. A. Wood, B. H. J. McKellar, and A. M. Martin
A new technique is proposed that would allow persistent flows to be generated in dipolar Bose-Einstein condensates confined in a toroidal trap.
[Phys. Rev. Lett. 116, 250403] Published Tue Jun 21, 2016
Role of the Membrane for Mechanosensing by Tethered Channels
Author(s): Benedikt Sabass and Howard A. StoneA tiny conical deformation in a channel embedded in a lipid membrane can give rise to a significant energy release when the channel opens.[Phys. Rev. Lett. 116, 258101] Published Mon Jun 20, 2016
Time Dependence of the Electron and Positron Components of the Cosmic Radiation Measured by the PAMELA Experiment between July 2006 and December 2015
Author(s): O. Adriani et al.
Discrepancies in the positron content of cosmic rays measured at different times are explained by the periodic reversal of the solar magnetic field’s direction.
[Phys. Rev. Lett. 116, 241105] Published Fri Jun 17, 2016
GW151226: Observation of Gravitational Waves from a 22-Solar-Mass Binary Black Hole Coalescence
Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
LIGO has detected a second burst of gravitational waves from merging black holes, suggesting that such detections will soon become routine and part of a new kind of astronomy.
[Phys. Rev. Lett. 116, 241103] Published Wed Jun 15, 2016
Properties of the Binary Black Hole Merger GW150914
Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
The LIGO and Virgo collaborations determine the properties and location of the black-hole-binary merger that was the source of their detection of gravitational waves.
[Phys. Rev. Lett. 116, 241102] Published Tue Jun 14, 2016
Nonlocal Drag of Magnons in a Ferromagnetic Bilayer
Author(s): Tianyu Liu, G. Vignale, and Michael E. Flatté
Quantized spin waves known as magnons could experience a drag-like phenomenon in two spatially separated ferromagnetic layers.
[Phys. Rev. Lett. 116, 237202] Published Thu Jun 09, 2016
Sub-Femto-g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results
Author(s): M. Armano et al.The first results from the LISA Pathfinder mission demonstrate that two test masses can be put in free fall with a relative acceleration sufficiently free of noise to meet the requirements needed for space-based gravitational…
Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies
Author(s): D. Abbott et al. (PEPPo Collaboration)A new technique requires much less energy to produce a beam of polarized positrons than previous techniques, making such beams potentially more widely available.[Phys. Rev. Lett. 116, 214801] Published F…
New Limits on Extragalactic Magnetic Fields from Rotation Measures
Author(s): M. S. Pshirkov, P. G. Tinyakov, and F. R. Urban
An analysis of the polarized emission from some 3000 distant radio sources places a stringent upper limit on the strength of the cosmological magnetic field.
[Phys. Rev. Lett. 116, 191302] Published Thu May 12, 2016
<i>Helicobacter pylori</i> Couples Motility and Diffusion to Actively Create a Heterogeneous Complex Medium in Gastric Mucus
Author(s): Seyed Amir Mirbagheri and Henry Chien FuResearchers calculate the size of a low-resistance buffer zone created by microbial organisms as they swim through the mucus lining of the stomach.[Phys. Rev. Lett. 116, 198101] Published Tue May 10, 2016
Enhanced Multi-MeV Photon Emission by a Laser-Driven Electron Beam in a Self-Generated Magnetic Field
Author(s): D. J. Stark, T. Toncian, and A. V. Arefiev
Computer simulations show that blasting plastic with strong laser pulses could produce gamma rays with unprecedented intensity, good for fundamental physics experiments and possibly cancer treatments.
[Phys. Rev. Lett. 116, 185003] Published Fri May 06, 2016
Symmetry Guide to Ferroaxial Transitions
Author(s): J. Hlinka, J. Privratska, P. Ondrejkovic, and V. JanovecA theoretical database is presented of the 212 distinct types of symmetry reductions that could occur for a symmetry-breaking structural phase transition, revealing 124 symmetry reducti…
Is the Gravitational-Wave Ringdown a Probe of the Event Horizon?
Author(s): Vitor Cardoso, Edgardo Franzin, and Paolo PaniRecently detected gravitational waves might not be a signature of black holes but of other massive objects that lack an event horizon.[Phys. Rev. Lett. 116, 171101] Published Wed Apr 27, 2016
Observation of Long-Range Elliptic Azimuthal Anisotropies in sqrt[s] =13 and 2.76 TeV pp Collisions with the ATLAS Detector
Author(s): G. Aad et al. (ATLAS Collaboration)Proton-proton collisions at the highest available LHC energy produce strongly correlated particles that are reminiscent of those seen in similar collisions with protons and lead.[Phys. Rev. Lett. 116, 17230…
Reduced Limit on the Permanent Electric Dipole Moment of ^{199} Hg
Author(s): B. Graner, Y. Chen ((陳宜)), E. G. Lindahl, and B. R. Heckel
A factor of four improvement on the maximum value for the permanent electric dipole moment of mercury atoms places new limits on a number of CP-violating observables.
[Phys. Rev. Lett. 116, 161601] Published Mon Apr 18, 2016
Resolving the Extragalactic γ-Ray Background above 50 GeV with the Fermi Large Area Telescope
Author(s): M. Ackermann et al.Researchers estimate that blazars produce 86% of the extragalactic gamma-ray background.[Phys. Rev. Lett. 116, 151105] Published Thu Apr 14, 2016
First Measurement of Electron Neutrino Appearance in NOvA
Author(s): P. Adamson et al. (NOvA Collaboration)The first results from the NOvA experiment set new constraints on charge-parity violation in neutrinos and on the ordering of neutrino masses.[Phys. Rev. Lett. 116, 151806] Published Wed Apr 13, 2016
Universality and Scaling in a Charge Two-Channel Kondo Device
Author(s): A. K. Mitchell, L. A. Landau, L. Fritz, and E. Sela
A two-channel Kondo model solved using the numerical renormalization group reproduces the temperature dependence of the conductance measured in recent experiments on Kondo nanostructures. This suggests that charge-Kondo devices constitute perfect quantum simulations of models exhibiting quantum criticality.
[Phys. Rev. Lett. 116, 157202] Published Wed Apr 13, 2016
Thermodynamic Entropy as a Noether Invariant
Author(s): Shin-ichi Sasa and Yuki YokokuraThe thermodynamic entropy of a classical many-particle system can be related to a conserved quantity for quasi-static thermodynamics processes.[Phys. Rev. Lett. 116, 140601] Published Thu Apr 07, 2016
Optomechanical Quantum Control of a Nitrogen-Vacancy Center in Diamond
Author(s): D. Andrew Golter, Thein Oo, Mayra Amezcua, Kevin A. Stewart, and Hailin WangThe state of excited electrons in a diamond-crystal defect can be controlled using mechanical waves.[Phys. Rev. Lett. 116, 143602] Published Thu Apr 07, 2016
Electron-Vibration Coupling in Molecular Materials: Assignment of Vibronic Modes from Photoelectron Momentum Mapping
Author(s): M. Graus, M. Grimm, C. Metzger, M. Dauth, C. Tusche, J. Kirschner, S. Kümmel, A. Schöll, and F. Reinert
Photoelectron spectroscopy reveals the details of the interaction between electronic and vibrational excitations in a molecular material.
[Phys. Rev. Lett. 116, 147601] Published Wed Apr 06, 2016
Mechanical Resonators for Quantum Optomechanics Experiments at Room Temperature
Author(s): R. A. Norte, J. P. Moura, and S. Gröblacher<br/>All quantum optomechanics experiments to date operate at cryogenic temperatures, imposing severe technical challenges and fundamental constraints. Here, we present a novel design of on-chip mechanical resonators which exhibit fundamental modes with frequencies f and mechanical quality factors Q_{m} …<br/><img src="//d22izw7byeupn1.cloudfront.net/journals/PRL/key_images/10.1103/PhysRevLett.116.147202.png" width="200" height="100"><br/>[Phys. Rev. Lett. 116, 147202] Published Tue Apr 05, 2016
Magnetospheric Multiscale Satellite Observations of Parallel Electron Acceleration in Magnetic Field Reconnection by Fermi Reflection from Time Domain Structures
Author(s): F. S. Mozer, O. A. Agapitov, A. Artemyev, J. L. Burch, R. E. Ergun, B. L. Giles, D. Mourenas, R. B. Torbert, T. D. Phan, and I. Vasko
A new satellite mission has observed electron acceleration by electric field waves moving along the magnetic boundary between the Earth and the solar wind.
[Phys. Rev. Lett. 116, 145101] Published Tue Apr 05, 2016
Observation of Quantum Interference between Separated Mechanical Oscillator Wave Packets
Author(s): D. Kienzler, C. Flühmann, V. Negnevitsky, H.-Y. Lo, M. Marinelli, D. Nadlinger, and J. P. Home
A trapped ion is produced in a superposition of motional wavepackets separated by a few hundred nanometers, effectively leading to the ion being in two distinct places at once.
[Phys. Rev. Lett. 116, 140402] Published Tue Apr 05, 2016
Failure of the Volume Function in Granular Statistical Mechanics and an Alternative Formulation
Author(s): Raphael Blumenfeld, Shahar Amitai, Joe F. Jordan, and Rebecca HihinashviliA reformulation of the statistical mechanics of granular materials replaces the volume of the material with a function related to its structure.[Phys. Rev. Lett. 116, …
Experimental Insights into the Nanostructure of the Cores of Topological Defects in Liquid Crystals
Author(s): Xiaoguang Wang, Young-Ki Kim, Emre Bukusoglu, Bo Zhang, Daniel S. Miller, and Nicholas L. AbbottExperimental characterization of point defects in liquid crystals show they are nanoscopic loops as predicted by theory.[Phys. Rev. Lett. 116, 14…
Coupling Identical one-dimensional Many-Body Localized Systems
Author(s): Pranjal Bordia, Henrik P. Lüschen, Sean S. Hodgman, Michael Schreiber, Immanuel Bloch, and Ulrich Schneider
Many-body localization in chains of cold atoms with identical disorder is unstable with respect to inter-chain coupling.
[Phys. Rev. Lett. 116, 140401] Published Mon Apr 04, 2016
Weirdest Martensite: Smectic Liquid Crystal Microstructure and Weyl-Poincaré Invariance
Author(s): Danilo B. Liarte, Matthew Bierbaum, Ricardo A. Mosna, Randall D. Kamien, and James P. SethnaA set of rules is proposed for the construction of circular domain boundaries seen at the interfaces of smectic liquid crystals.[Phys. Rev. Lett. 116…
Measurement of the Transverse Single-Spin Asymmetry in p^{↑} +p→W^{±} /Z^{0} at RHIC
Author(s): L. Adamczyk et al. (STAR Collaboration)The STAR collaboration at RHIC has measured a spin asymmetry in weak boson production that can put constraints on the distribution of quarks and gluons in a transversely polarized proton.[Phys. Rev. Let…
Mechanical Weyl Modes in Topological Maxwell Lattices
Author(s): D. Zeb Rocklin, Bryan Gin–ge Chen, Martin Falk, Vincenzo Vitelli, and T. C. Lubensky
Two-dimensional mechanical lattices support topologically protected bulk zero modes analogous to the electronic modes of Weyl semimetals.
[Phys. Rev. Lett. 116, 135503] Published Fri Apr 01, 2016
GW150914: The Advanced LIGO Detectors in the Era of First Discoveries
Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
The experimental requirements that had to be met by the Advanced LIGO detectors in order to detect the gravitational wave event GW150914, and how this was achieved are detailed.
[Phys. Rev. Lett. 116, 131103] Published Thu Mar 31, 2016
GW150914: Implications for the Stochastic Gravitational-Wave Background from Binary Black Holes
Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Assuming LIGO’s recently detected black hole merger is not unusual, researchers revised upward their estimate of the strength of the background noise coming from distant mergers across the Universe.
[Phys. Rev. Lett. 116, 131102] Published Thu Mar 31, 2016
Sparse Cyclic Excitations Explain the Low Ionic Conductivity of Stoichiometric Li_{7} La_{3} Zr_{2} O_{12}
Author(s): Mario Burbano, Dany Carlier, Florent Boucher, Benjamin J. Morgan, and Mathieu Salanne
Molecular dynamic simulation methods developed for glasses are used to study why the ionic conductivity of a Li-ion battery compound is different for the cubic and tetragonal phase of solid lithium-ion–electrolyte.
[Phys. Rev. Lett. 116, 135901] Published Wed Mar 30, 2016
Topological Mechanics of Origami and Kirigami
Author(s): Bryan Gin-ge Chen, Bin Liu, Arthur A. Evans, Jayson Paulose, Itai Cohen, Vincenzo Vitelli, and C. D. Santangelo
Origami formed by folding and cutting a material can feature well-defined, tunable mechanical properties.
[Phys. Rev. Lett. 116, 135501] Published Wed Mar 30, 2016
Millisecond Photon Lifetime in a Slow-Light Microcavity
Author(s): V. Huet, A. Rasoloniaina, P. Guillemé, P. Rochard, P. Féron, M. Mortier, A. Levenson, K. Bencheikh, A. Yacomotti, and Y. Dumeige
Introducing a slow-light medium into an optical microresonator extends the lifetime of a photon circulating in the device by several orders of magnitude.
[Phys. Rev. Lett. 116, 133902] Published Tue Mar 29, 2016
Enhanced Thermoelectric Power in Graphene: Violation of the Mott Relation by Inelastic Scattering
Author(s): Fereshte Ghahari, Hong-Yi Xie, Takashi Taniguchi, Kenji Watanabe, Matthew S. Foster, and Philip KimIn clean graphene, inelastic scattering processes cause the thermoelectric power at high temperature to exceed the value given by the traditio…
Electron Phase Shift at the Zero-Bias Anomaly of Quantum Point Contacts
Author(s): B. Brun, F. Martins, S. Faniel, B. Hackens, A. Cavanna, C. Ulysse, A. Ouerghi, U. Gennser, D. Mailly, P. Simon, S. Huant, V. Bayot, M. Sanquer, and H. SellierUsing a scanning gate microscope, researchers have shown that electron waves scatte…
Induced Fission of ^{240} Pu within a Real-Time Microscopic Framework
Author(s): Aurel Bulgac, Piotr Magierski, Kenneth J. Roche, and Ionel StetcuNuclear fission simulations show that the evolution of a splitting plutonium nucleus may be slower than previously thought.[Phys. Rev. Lett. 116, 122504] Published Fri Mar 25, …
Streaming Velocities and the Baryon Acoustic Oscillation Scale
Author(s): Jonathan A. Blazek, Joseph E. McEwen, and Christopher M. HirataNew calculations suggest that the relative velocity of baryons with respect to dark matter in galaxies may affect how baryonic matter clusters in the universe.[Phys. Rev. Lett. 1…
Controlled Uniform Coating from the Interplay of Marangoni Flows and Surface-Adsorbed Macromolecules
Author(s): Hyoungsoo Kim, François Boulogne, Eujin Um, Ian Jacobi, Ernie Button, and Howard A. Stone
As a whisky drop dries, a combination of molecules in the liquid ensure a spatially uniform deposition—a finding that could inspire coating technologies.
[Phys. Rev. Lett. 116, 124501] Published Thu Mar 24, 2016
Linking Individual and Collective Behavior in Adaptive Social Networks
Author(s): Flávio L. Pinheiro, Francisco C. Santos, and Jorge M. Pacheco
The local interactions of individuals in a network is connected to the global network dynamics using the Prisoner’s Dilemma game theory model.
[Phys. Rev. Lett. 116, 128702] Published Thu Mar 24, 2016
Unconventional Superconductivity in the Layered Iron Germanide YFe_{2} Ge_{2}
Author(s): Jiasheng Chen, Konstantin Semeniuk, Zhuo Feng, Pascal Reiss, Philip Brown, Yang Zou, Peter W. Logg, Giulio I. Lampronti, and F. Malte GroscheExperimental evidence is presented for a bulk superconducting transition in YFe2Ge2 obtained using a…
Operational Resource Theory of Coherence
Author(s): Andreas Winter and Dong YangA new framework describes quantum coherence in terms of resources, coherence distillation, and coherence cost, which account for the conversions between various entangled states.[Phys. Rev. Lett. 116, 120404] Publ…
Loop-Nodal and Point-Nodal Semimetals in Three-Dimensional Honeycomb Lattices
Author(s): Motohiko Ezawa3D honeycomb-type lattices have been designed with semimetal and flat-band electronic properties.[Phys. Rev. Lett. 116, 127202] Published Thu Mar 24, 2016
Thermally Induced Graphene Rotation on Hexagonal Boron Nitride
Author(s): Duoming Wang, Guorui Chen, Chaokai Li, Meng Cheng, Wei Yang, Shuang Wu, Guibai Xie, Jing Zhang, Jing Zhao, Xiaobo Lu, Peng Chen, Guole Wang, Jianling Meng, Jian Tang, Rong Yang, Congli He, Donghua Liu, Dongxia Shi, Kenji Watanabe, Takashi Ta…
Charge Puddles in Graphene near the Dirac Point
Author(s): S. Samaddar, I. Yudhistira, S. Adam, H. Courtois, and C. B. Winkelmann
In graphene, doping inhomogeneities – charge puddles – grow remarkably in both size and amplitude as the charge carrier density vanishes.
[Phys. Rev. Lett. 116, 126804] Published Wed Mar 23, 2016
Schrödinger Approach to Mean Field Games
Author(s): Igor Swiecicki, Thierry Gobron, and Denis UllmoModels that treat economic and biological behavior in terms of game-play resemble quantum mechanics.[Phys. Rev. Lett. 116, 128701] Published Wed Mar 23, 2016
Detecting the Disruption of Dark-Matter Halos with Stellar Streams
Author(s): Jo BovyStreaming threads of stars orbiting galaxies could be used to detect clumps of dark matter predicted to make up dark matter halos.[Phys. Rev. Lett. 116, 121301] Published Tue Mar 22, 2016
Direct Evidence of Octupole Deformation in Neutron-Rich ^{144} Ba
Author(s): B. Bucher et al.Experiments confirm that the barium-144 nucleus is pear shaped and hint that this asymmetry is more pronounced than previously thought.[Phys. Rev. Lett. 116, 112503] Published Thu Mar 17, 2016
Reduced Sensitivity to Charge Noise in Semiconductor Spin Qubits via Symmetric Operation
Author(s): M. D. Reed, B. M. Maune, R. W. Andrews, M. G. Borselli, K. Eng, M. P. Jura, A. A. Kiselev, T. D. Ladd, S. T. Merkel, I. Milosavljevic, E. J. Pritchett, M. T. Rakher, R. S. Ross, A. E. Schmitz, A. Smith, J. A. Wright, M. F. Gyure, and A. T. Hunter
A new way to control the coupling of spins between adjacent quantum dots produces qubits that are less susceptible to electronic noise.
[Phys. Rev. Lett. 116, 110402] Published Wed Mar 16, 2016
Noise Suppression Using Symmetric Exchange Gates in Spin Qubits
Author(s): Frederico Martins, Filip K. Malinowski, Peter D. Nissen, Edwin Barnes, Saeed Fallahi, Geoffrey C. Gardner, Michael J. Manfra, Charles M. Marcus, and Ferdinand KuemmethA new way to control the coupling of spins between adjacent quantum dots p…
Spatial Search by Quantum Walk is Optimal for Almost all Graphs
Author(s): Shantanav Chakraborty, Leonardo Novo, Andris Ambainis, and Yasser OmarThe continuous time quantum walk algorithm for searching a network is optimal for nearly all graphs.[Phys. Rev. Lett. 116, 100501] Published Fri Mar 11, 2016
Sudden Viscous Dissipation of Compressing Turbulence
Author(s): Seth Davidovits and Nathaniel J. FischTurbulent kinetic energy, amplified by compression, can be rapidly converted to thermal energy enabling fast plasma ignition, according to theoretical predictions.[Phys. Rev. Lett. 116, 105004] Published…
Optical Conductivity of Topological Surface States with Emergent Supersymmetry
Author(s): William Witczak-Krempa and Joseph MaciejkoTheoretical predictions suggest that experiments on topological insulators could provide the first evidence of supersymmetry.[Phys. Rev. Lett. 116, 100402] Published Fri Mar 11, 2016
Spectroscopic Evidence of the Aharonov-Casher Effect in a Cooper Pair Box
Author(s): M. T. Bell, W. Zhang, L. B. Ioffe, and M. E. Gershenson
Direct evidence of the Aharonov–Casher effect, in which a magnetic dipole acquires a phase in an electric field, has been observed in a superconducting circuit.
[Phys. Rev. Lett. 116, 107002] Published Thu Mar 10, 2016
Planckian Interacting Massive Particles as Dark Matter
Author(s): Mathias Garny, McCullen Sandora, and Martin S. SlothA theoretical investigation of super-heavy dark matter particles finds that their existence might be discerned in the cosmic microwave background.[Phys. Rev. Lett. 116, 101302] Published Th…
Congestion Induced by the Structure of Multiplex Networks
Author(s): Albert Solé-Ribalta, Sergio Gómez, and Alex Arenas<br/>Multiplex networks are representations of multilayer interconnected complex networks where the nodes are the same at every layer. They turn out to be good abstractions of the intricate connectivity of multimodal transportation networks, among other types of complex systems. One of the most important…<br/>[Phys. Rev. Lett. 116, 108701] Published Thu Mar 10, 2016
Integrable Turbulence and Rogue Waves: Breathers or Solitons?
Author(s): J. M. Soto-Crespo, N. Devine, and N. Akhmediev
Numerical simulations of the nonlinear Schrödinger equation demonstrate how rogue waves form for different levels of initial random noise.
[Phys. Rev. Lett. 116, 103901] Published Wed Mar 09, 2016
Shape-Shifting Droplet Networks
Author(s): T. Zhang, Duanduan Wan, J. M. Schwarz, and M. J. Bowick
Sheets of liquid droplets can spontaneously and reversibly change their shape.
[Phys. Rev. Lett. 116, 108301] Published Wed Mar 09, 2016
Isospin Mixing Reveals ^{30} P(p,γ) ^{31} S Resonance Influencing Nova Nucleosynthesis
Author(s): M. B. Bennett, C. Wrede, B. A. Brown, S. N. Liddick, D. Pérez-Loureiro, D. W. Bardayan, A. A. Chen, K. A. Chipps, C. Fry, B. E. Glassman, C. Langer, N. R. Larson, E. I. McNeice, Z. Meisel, W. Ong, P. D. O’Malley, S. D. Pain, C. J. Prokop, H. Schatz, S. B. Schwartz, S. Suchyta, P. Thompson, M. Walters, and X. Xu
A short-lived nuclear state that boosts the destruction rate of phosphorus-30 via proton capture has been discovered. This nuclear reaction is critical to determining the origins of microscopic rocks found inside of meteorites that predate our solar system.
[Phys. Rev. Lett. 116, 102502] Published Tue Mar 08, 2016
Modeling Repeatedly Flaring δ Sunspots
Author(s): Piyali Chatterjee, Viggo Hansteen, and Mats CarlssonSimulations show for the first time how the magnetic fields that produce solar flares can extend out of the Sun by acquiring a twist.[Phys. Rev. Lett. 116, 101101] Published Mon Mar 07, 2016
Automated Search for new Quantum Experiments
Author(s): Mario Krenn, Mehul Malik, Robert Fickler, Radek Lapkiewicz, and Anton ZeilingerQuantum weirdness is hard for humans to grasp, so researchers wrote a program to suggest experimental setups.[Phys. Rev. Lett. 116, 090405] Published Fri Mar 04, …
Emergent Collective Chemotaxis without Single-Cell Gradient Sensing
Author(s): Brian A. Camley, Juliane Zimmermann, Herbert Levine, and Wouter-Jan RappelA simple model suggests a way in which clusters of cells could follow concentration gradients in cases where individual cells cannot.[Phys. Rev. Lett. 116, 098101] Pub…
Structures and Dynamics of Glass-Forming Colloidal Liquids under Spherical Confinement
Author(s): Bo Zhang and Xiang ChengCorrelated patterns of particles form in colloidal liquids as they approach the glass transition.[Phys. Rev. Lett. 116, 098302] Published Wed Mar 02, 2016
Observation of Thermoelectric Currents in High-Field Superconductor-Ferromagnet Tunnel Junctions
Author(s): S. Kolenda, M. J. Wolf, and D. Beckmann
Researchers have observed spin-dependent thermoelectric currents in superconductors—a finding that could lead to precise cryogenic thermometers.
[Phys. Rev. Lett. 116, 097001] Published Tue Mar 01, 2016
Valley Vortex States in Sonic Crystals
Author(s): Jiuyang Lu, Chunyin Qiu, Manzhu Ke, and Zhengyou LiuA sonic crystal consisting of a hexagonal array of triangular steel rods in water provides a new degree of freedom to manipulate acoustic waves.[Phys. Rev. Lett. 116, 093901] Published Mon …
Realization of the Contextuality-Nonlocality Tradeoff with a Qubit-Qutrit Photon Pair
Author(s): Xiang Zhan, Xin Zhang, Jian Li, Yongsheng Zhang, Barry C. Sanders, and Peng XueA quantum optics experiment verifies theoretical work showing that there is a trade-off between local contextual correlations and spatially separated correlations…
Observation and Calculation of the Quasibound Rovibrational Levels of the Electronic Ground State of H_{2}^{+}
Author(s): Maximilian Beyer and Frédéric Merkt
Orbiting resonances (quasi-bound states) of H2+ have been experimentally observed.
[Phys. Rev. Lett. 116, 093001] Published Mon Feb 29, 2016
How Water Advances on Superhydrophobic Surfaces
Author(s): Frank Schellenberger, Noemí Encinas, Doris Vollmer, and Hans-Jürgen Butt
High-resolution imaging of a drop moving on an ultra-water-repellent surface spurs researchers to propose a new definition for superhydrophobicity.
[Phys. Rev. Lett. 116, 096101] Published Mon Feb 29, 2016
X-ray Echo Spectroscopy
Author(s): Yuri Shvyd’ko
A new x-ray technique that uses echo signals has been theoretically proposed. The technique could improve both the spectral resolution and sensitivity of inelastic scattering measurements.
[Phys. Rev. Lett. 116, 080801] Published Thu Feb 25, 2016
Colossal Seebeck Coefficient of Hopping Electrons in (TMTSF)_{2} PF_{6}
Author(s): Yo Machida, Xiao Lin, Woun Kang, Koichi Izawa, and Kamran BehniaElectrical and thermal transport measurements show a large Seebeck effect in an insulator cooled below the temperature corresponding to its Coulomb drag.[Phys. Rev. Lett. 116, 0…
Parallel Transport Quantum Logic Gates with Trapped Ions
Author(s): Ludwig E. de Clercq, Hsiang-Yu Lo, Matteo Marinelli, David Nadlinger, Robin Oswald, Vlad Negnevitsky, Daniel Kienzler, Ben Keitch, and Jonathan P. HomeA new device performs quantum logic operations by directing trapped ions through a station…
Subradiance in a Large Cloud of Cold Atoms
Author(s): William Guerin, Michelle O. Araújo, and Robin Kaiser
Subradiant states of many emitters have been created in a dilute cold-atom gas.
[Phys. Rev. Lett. 116, 083601] Published Mon Feb 22, 2016
Generating Soap Bubbles by Blowing on Soap Films
Author(s): Louis Salkin, Alexandre Schmit, Pascal Panizza, and Laurent CourbinUsing a bubble-blowing apparatus, researchers developed a model that explains the effects of several factors, such as the breath velocity, on the process of blowing a bubble….
End Point of Black Ring Instabilities and the Weak Cosmic Censorship Conjecture
Author(s): Pau Figueras, Markus Kunesch, and Saran TunyasuvunakoolA numerical study of asymptotically flat spaces in five dimensions shows that singularities may not necessarily be hidden inside event horizons violating the so-called weak cosmic censor…
Search for Narrow Resonances Decaying to Dijets in Proton-Proton Collisions at sqrt[s] =13 TeV
Author(s): V. Khachatryan et al. (CMS Collaboration)No signal of new particles has been found by the CMS collaboration from Run 2 of the LHC at 13 TeV. This null result tightens constraints on a variety of models that predict the existence of heavy res…
Strong Amplification of Coherent Acoustic Phonons by Intraminiband Currents in a Semiconductor Superlattice
Author(s): Keisuke Shinokita, Klaus Reimann, Michael Woerner, Thomas Elsaesser, Rudolf Hey, and Christos FlytzanisAn optical amplification scheme for sound can double the intensity of phonons traveling through a solid.[Phys. Rev. Lett. 116, 075504] Pub…
Stopped Light at High Storage Efficiency in a Pr^{3+} :Y_{2} SiO_{5} Crystal
Author(s): Daniel Schraft, Marcel Hain, Nikolaus Lorenz, and Thomas HalfmannA storage efficiency of 76% is demonstrated in a solid-state quantum memory device with a ring-type multi-pass configuration.[Phys. Rev. Lett. 116, 073602] Published Wed Feb 17…
Agreement of Experiment and Theory on the Single Ionization of Helium by Fast Proton Impact
Author(s): H. Gassert, O. Chuluunbaatar, M. Waitz, F. Trinter, H.-K. Kim, T. Bauer, A. Laucke, Ch. Müller, J. Voigtsberger, M. Weller, J. Rist, M. Pitzer, S. Zeller, T. Jahnke, L. Ph. H. Schmidt, J. B. Williams, S. A. Zaytsev, A. A. Bulychev, K. A. Kouzakov, H. Schmidt-Böcking, R. Dörner, Yu. V. Popov, and M. S. Schöffler
High resolution measurements of the electron emission pattern following the ionization of helium settles a decade old discrepancy between theory and experiment on the angular emission pattern.
[Phys. Rev. Lett. 116, 073201] Published Wed Feb 17, 2016
Optical Control of Magnetic Feshbach Resonances by Closed-Channel Electromagnetically Induced Transparency
Author(s): A. Jagannathan, N. Arunkumar, J. A. Joseph, and J. E. Thomas
Two-field optical control of scattering in two-body interactions is achieved, strongly shifting a magnetic Feshbach resonance and suppressing spontaneous scattering.
[Phys. Rev. Lett. 116, 075301] Published Wed Feb 17, 2016
New Results from the Search for Low-Mass Weakly Interacting Massive Particles with the CDMS Low Ionization Threshold Experiment
Author(s): R. Agnese et al. (SuperCDMS Collaboration)The CDMS collaboration presents improved limits on the spin-independent cross section of low-mass weakly interacting particles with the nucleon.[Phys. Rev. Lett. 116, 071301] Published Wed Feb 17, 2016
Macrodeformation Twins in Single-Crystal Aluminum
Author(s): F. Zhao, L. Wang, D. Fan, B. X. Bie, X. M. Zhou, T. Suo, Y. L. Li, M. W. Chen, C. L. Liu, M. L. Qi, M. H. Zhu, and S. N. Luo
Aluminum crystals can respond to strain by twinning—a finding that challenges conventional conceptions of material deformation.
[Phys. Rev. Lett. 116, 075501] Published Wed Feb 17, 2016
Certifying the Presence of a Photonic Qubit by Splitting It in Two
Author(s): Evan Meyer-Scott, Daniel McCloskey, Klaudia Gołos, Jeff Z. Salvail, Kent A. G. Fisher, Deny R. Hamel, Adán Cabello, Kevin J. Resch, and Thomas Jennewein
A photonic qubit has been transmitted over a lossy 30-meter-long channel without destroying its state in a precertification scheme that does not require synchronization or indistinguishability.
[Phys. Rev. Lett. 116, 070501] Published Tue Feb 16, 2016
Observation of Four-Photon Orbital Angular Momentum Entanglement
Author(s): B. C. Hiesmayr, M. J. A. de Dood, and W. Löffler
Four photons are shown to be entangled through their orbital angular momentum.
[Phys. Rev. Lett. 116, 073601] Published Tue Feb 16, 2016
Measurement of the Reactor Antineutrino Flux and Spectrum at Daya Bay
Author(s): F. P. An et al. (Daya Bay Collaboration)
The antineutrino spectrum measured at Daya Bay corroborates the so-called reactor antineutrino anomaly — an excess of observed antineutrinos over theoretical expectations.
[Phys. Rev. Lett. 116, 061801] Published Fri Feb 12, 2016
Interfacial Instability during Granular Erosion
Author(s): Gautier Lefebvre, Aymeric Merceron, and Pierre JopExperiments with an eroding stream of grains reveals a step pattern that implies the erosion is governed by collisions rather than friction.[Phys. Rev. Lett. 116, 068002] Published Fri Feb 12…
Observation of Gravitational Waves from a Binary Black Hole Merger
Author(s): B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Gravitational waves emitted by the merger of two black holes have been detected, setting the course for a new era of observational astrophysics.
[Phys. Rev. Lett. 116, 061102] Published Thu Feb 11, 2016
Diffusion of Ellipsoids in Bacterial Suspensions
Author(s): Yi Peng, Lipeng Lai, Yi-Shu Tai, Kechun Zhang, Xinliang Xu, and Xiang ChengAn ellipsoid immersed in a bacterial suspension diffuses slowest along its major axis and fastest along its minor axis, in contrast to predictions from Brownian motio…
Optoelectrical Cooling of Polar Molecules to Submillikelvin Temperatures
Author(s): Alexander Prehn, Martin Ibrügger, Rosa Glöckner, Gerhard Rempe, and Martin Zeppenfeld
Researchers cooled trapped molecules well below 1 mK—a record temperature for molecules that have not been assembled from pre-cooled atoms.
[Phys. Rev. Lett. 116, 063005] Published Wed Feb 10, 2016
Submillikelvin Dipolar Molecules in a Radio-Frequency Magneto-Optical Trap
Author(s): E. B. Norrgard, D. J. McCarron, M. H. Steinecker, M. R. Tarbutt, and D. DeMille
Researchers cooled trapped molecules well below 1 mK—a record temperature for molecules that have not been assembled from pre-cooled atoms.
[Phys. Rev. Lett. 116, 063004] Published Wed Feb 10, 2016
Criteria for Directly Detecting Topological Fermi Arcs in Weyl Semimetals
Author(s): Ilya Belopolski, Su-Yang Xu, Daniel S. Sanchez, Guoqing Chang, Cheng Guo, Madhab Neupane, Hao Zheng, Chi-Cheng Lee, Shin-Ming Huang, Guang Bian, Nasser Alidoust, Tay-Rong Chang, BaoKai Wang, Xiao Zhang, Arun Bansil, Horng-Tay Jeng, Hsin Lin,…
Threshold Characteristics of Slow-Light Photonic Crystal Lasers
Author(s): Weiqi Xue, Yi Yu, Luisa Ottaviano, Yaohui Chen, Elizaveta Semenova, Kresten Yvind, and Jesper MorkResearchers have studied a membrane laser containing nanometer-sized holes to demonstrate how photon losses can be minimized.[Phys. Rev. Lett. …
Strong Field Molecular Ionization in the Impulsive Limit: Freezing Vibrations with Short Pulses
Author(s): Péter Sándor, Vincent Tagliamonti, Arthur Zhao, Tamás Rozgonyi, Matthias Ruckenbauer, Philipp Marquetand, and Thomas Weinacht
Pulse duration can strongly affect the dynamics of molecular ionization. For pulses shorter than 10 fs vibrational dynamics are no longer seen to play an important role.
[Phys. Rev. Lett. 116, 063002] Published Tue Feb 09, 2016
Analytic Form of the Two-Loop Planar Five-Gluon All-Plus-Helicity Amplitude in QCD
Author(s): T. Gehrmann, J. M. Henn, and N. A. Lo Presti
The complete analytical computation of the amplitude for five-particle scattering at the second perturbative order in quantum chromodynamics is carried out for the first time.
[Phys. Rev. Lett. 116, 062001] Published Mon Feb 08, 2016
Laser Cooling of a Micromechanical Membrane to the Quantum Backaction Limit
Author(s): R. W. Peterson, T. P. Purdy, N. S. Kampel, R. W. Andrews, P.-L. Yu, K. W. Lehnert, and C. A. Regal
A 40-nanometer-thick membrane has been cooled to a low enough temperature that is has the minimum phonon occupation allowed by quantum backaction.
[Phys. Rev. Lett. 116, 063601] Published Mon Feb 08, 2016
Single-Ion Atomic Clock with 3×10^{−18} Systematic Uncertainty
Author(s): N. Huntemann, C. Sanner, B. Lipphardt, Chr. Tamm, and E. Peik
A twentyfold improvement in the accuracy of a single ytterbium ion atomic clock is achieved using the ion’s electric octupole transition.
[Phys. Rev. Lett. 116, 063001] Published Mon Feb 08, 2016
Carbon Honeycomb High Capacity Storage for Gaseous and Liquid Species
Author(s): Nina V. Krainyukova and Evgeniy N. ZubarevCarbon honeycomb, a new carbon structure, could store large amounts of hydrogen gas, which may benefit fuel cell technology.[Phys. Rev. Lett. 116, 055501] Published Fri Feb 05, 2016
Effects of Sublattice Symmetry and Frustration on Ionic Transport in Garnet Solid Electrolytes
Author(s): Boris Kozinsky, Sneha A. Akhade, Pierre Hirel, Adham Hashibon, Christian Elsässer, Prateek Mehta, Alan Logeat, and Ulrich Eisele
The ground state structural symmetry and ionic conductivity have been theoretically calculated for the entire garnet family of solid Li-ion electrolytes.
[Phys. Rev. Lett. 116, 055901] Published Fri Feb 05, 2016