Features thought to be unique to quantum dynamical systems, such as localization of momentum, are found in a classical kicked rotor - where particles move in a ring and are ‘kicked’ periodically by an external field that changes the particle’s momentum.

[Phys. Rev. Lett. 113, 174101] Published Mon Oct 20, 2014

]]>A new formula for the scattering of massless particles may simplify predictions and analyses of LHC experiments and shed new light on quantum gravity theories.

[Phys. Rev. Lett. 113, 171601] Published Mon Oct 20, 2014

]]>A technique that packs the full content of three bits of quantum information into two may be a space saver for quantum computers.

[Phys. Rev. Lett. 113, 160504] Published Fri Oct 17, 2014

]]> Ultrafast optical excitation of doped MoS_{2} causes a pronounced transient decrease in its conductivity, due to strong many-body interactions in the material that convert the 2D electron gas into a trion gas.

[Phys. Rev. Lett. 113, 166801] Published Thu Oct 16, 2014

]]>Progress has been made in understanding systematic effects from thermal and magnetic field gradients on comagnetometers – devices that compare the nuclear spin procession of two atomic species.

[Phys. Rev. Lett. 113, 163002] Published Thu Oct 16, 2014

]]>A relativistic quantum field theory extension to the classical Kepler problem provides a new method to compute the bound states of massive W bosons in planar N=4 super Yang-Mills.

[Phys. Rev. Lett. 113, 161601] Published Thu Oct 16, 2014

]]>A method is proposed that would allow fractional statistics to be measured experimentally using a pair of atoms immersed in a specifically tailored quantum many-body state.

[Phys. Rev. Lett. 113, 160404] Published Thu Oct 16, 2014

]]>The family of vector-like quantities is expanded from four to eight using symmetry arguments. These new vectors may be useful for describing systems including chiral objects, topological defects, or magnetic vortices.

[Phys. Rev. Lett. 113, 165502] Published Wed Oct 15, 2014

]]>The temporal pulse shape of a single photon can be engineered, from an exponential decay to an exponential rise, using a Fabry-Perot optical cavity. This ‘shaping’ would make it easier to couple photons to atoms in a cavity.

[Phys. Rev. Lett. 113, 163601] Published Wed Oct 15, 2014

]]> The LHCb collaboration has observed the first spin-3 resonance containing a heavy quark produced in the decay of the bottom-hadron B_{s}^{0}.

[Phys. Rev. Lett. 113, 162001] Published Tue Oct 14, 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.

[Phys. Rev. Lett. 113, 152004] Published Fri Oct 10, 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.

[Phys. Rev. Lett. 113, 151801] Published Fri Oct 10, 2014

]]>Molybdenum disulfide may provide an ideal substrate for supporting graphene.

[Phys. Rev. Lett. 113, 156804] Published Thu Oct 09, 2014

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

[Phys. Rev. Lett. 113, 151302] Published Thu Oct 09, 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.

[Phys. Rev. Lett. 113, 153901] Published Tue Oct 07, 2014

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

[Phys. Rev. Lett. 113, 150402] Published Tue Oct 07, 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.

[Phys. Rev. Lett. 113, 158301] Published Mon Oct 06, 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.

[Phys. Rev. Lett. 113, 155004] Published Mon Oct 06, 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.

[Phys. Rev. Lett. 113, 155003] Published Mon Oct 06, 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.

[Phys. Rev. Lett. 113, 152002] Published Mon Oct 06, 2014

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

[Phys. Rev. Lett. 113, 151601] Published Mon Oct 06, 2014

]]>Exchange interactions between spin pairs have been experimentally measured in spiral magnets. Both ferro- and antiferromagnetic interactions were found, indicating that the spiral magnetic state arises from a competition between nearest neighbor ferromagnetic exchange and longer-distance antiferromagnetic exchange, confirming predictions by de Gennes in 1960.

[Phys. Rev. Lett. 113, 147206] Published Fri Oct 03, 2014

]]>The ATLAS experiment at the LHC has found evidence for the scattering of two massive vector bosons, a previously unseen process predicted by the Standard Model.

[Phys. Rev. Lett. 113, 141803] Published Fri Oct 03, 2014

]]>A liquid-state nuclear magnetic resonance platform allows control and quantification of the non-equilibrium spin dynamics of a closed quantum system.

[Phys. Rev. Lett. 113, 140601] Published Fri Oct 03, 2014

]]>Polarization analyzed small angle neutron scattering and modeling of iron oxide nanoparticles suggests that spin canting - tilting of surface spins at an angle to the applied magnetic field - arises from an interplay between interparticle coupling, Zeeman energy, magnetocrystalline anisotropy, and dipolar interactions.

[Phys. Rev. Lett. 113, 147203] Published Thu Oct 02, 2014

]]>The Daya Bay Reactor Neutrino Experiment has placed stringent limits on a hypothetical fourth neutrino.

[Phys. Rev. Lett. 113, 141802] Published Wed Oct 01, 2014

]]>The most accurate calculation of the sphaleron rate — responsible for baryon number changing processes — has been made using large scale lattice simulations and the mass of the recently discovered Higgs boson.

[Phys. Rev. Lett. 113, 141602] Published Wed Oct 01, 2014

]]>Spontaneous emission from a cavity made of an optical nanofiber and a nanostructured grating is demonstrated, which would allow single quantum emitters to be easily integrated into an optical network.

[Phys. Rev. Lett. 113, 143601] Published Mon Sep 29, 2014

]]>A discrepancy between atomic theory and laboratory astrophysics experiments measuring the x-ray emission lines from highly charged Iron ions can be resolved by including nonlinear dynamical light-atom interactions.

[Phys. Rev. Lett. 113, 143001] Published Mon Sep 29, 2014

]]>To fend off potential hackers, researchers have taken a theoretical step closer to realizing a device-independent quantum cryptography protocol.

[Phys. Rev. Lett. 113, 140501] Published Mon Sep 29, 2014

]]>A quantified measure of quantum coherence — a necessary resource of quantum information — has been proposed using a similar approach to that established for entanglement and quantum reference frames.

[Phys. Rev. Lett. 113, 140401] Published Mon Sep 29, 2014

]]>A new class of network models are introduced, which are easily repairable and able to withstand multiple attacks. Optimization rules are given for the design of square and triangular lattice repairable networks.

[Phys. Rev. Lett. 113, 138701] Published Fri Sep 26, 2014

]]>A single molecule can work as a vibration sensor that can detect displacements nearly as small as a proton.

[Phys. Rev. Lett. 113, 135505] Published Fri Sep 26, 2014

]]>Light scattering by a cold atom cloud is reduced by exposing the cloud to near resonant laser light, where the size of the cloud is comparable to the wavelength of the light.

[Phys. Rev. Lett. 113, 133602] Published Fri Sep 26, 2014

]]>Two worms, fixed at one end but free to move randomly at the other, tangle together in a predictable way, depending on the relative motion of the two free ends.

[Phys. Rev. Lett. 113, 138101] Published Tue Sep 23, 2014

]]>The friction experienced by an oscillating wire immersed in a flowing rarefied gas is measured experimentally for pressures ranging over six orders of magnitude.

[Phys. Rev. Lett. 113, 136101] Published Tue Sep 23, 2014

]]>LHC experiments show that the quark-gluon plasma stops jets made of light and heavy quarks equally well, offering insights into a state of matter thought to have existed in the early Universe.

[Phys. Rev. Lett. 113, 132301] Published Mon Sep 22, 2014

]]>The XMASS-I liquid xenon detector has ruled out the possibility that superweakly interacting massive bosonic particles (a.k.a. super-WIMPs) consititute all of dark matter.

[Phys. Rev. Lett. 113, 121301] Published Thu Sep 18, 2014

]]>A particle detector onboard the International Space Station has revealed differences between the spectrum of cosmic-ray positrons and electrons, which might be a hint of dark matter annihilation processes.

[Phys. Rev. Lett. 113, 121102] Published Thu Sep 18, 2014

]]>Measurements of the positron fraction in high energy cosmic rays using the space-borne Alpha Magnetic Spectrometer have been extended to energies of 500 GeV. The new results show that the positron fraction stops increasing with energy at around 200 GeV.

[Phys. Rev. Lett. 113, 121101] Published Thu Sep 18, 2014

]]>A classical model is proposed that exhibits the same anomalous weak values as a quantum system, suggesting that weak values are not inherently quantum.

[Phys. Rev. Lett. 113, 120404] Published Thu Sep 18, 2014

]]>Mobile DNA strands could provide a different way to patch together DNA-coated particles to form colloidal structures whose structure and function can be tailored.

[Phys. Rev. Lett. 113, 128303] Published Wed Sep 17, 2014

]]>The experimental observation of spin-orbital exchange interactions in ultracold atoms opens a window for the exploration of poorly understood magnetic behaviors.

[Phys. Rev. Lett. 113, 120402] Published Mon Sep 15, 2014

]]>Experiments show that beams of left- or right-handed electrons are not equal-opportunity destroyers of molecules having two mirror-image forms, which supports the idea that primordial cosmic rays generated the asymmetry in biological molecules.

[Phys. Rev. Lett. 113, 118103] Published Fri Sep 12, 2014

]]>Two silicon-vacancy centers in diamond can emit photons that are indistinguishable—suggesting they have potential as building blocks for a diamond-based quantum computer.

[Phys. Rev. Lett. 113, 113602] Published Thu Sep 11, 2014

]]>An old identity from Francis Low in the 1950s regarding soft photon production in QED has been shown to be due to a new hidden symmetry of the S-matrix.

[Phys. Rev. Lett. 113, 111601] Published Thu Sep 11, 2014

]]>The spin-orbit interaction has a prominent effect on the radiative recombination of a relativistic electron into the 2p shell of hydrogen-like Uranium.

[Phys. Rev. Lett. 113, 113001] Published Tue Sep 09, 2014

]]>Interference fringes are observed in the conductance of a gate-defined bilayer graphene cavity, showing the ballistic phase-coherent nature of transport through the cavity.

[Phys. Rev. Lett. 113, 116601] Published Mon Sep 08, 2014

]]> A combination of static electric fields and an oscillating magnetic field are used to rotate Skyrmions, topological spin features, in the chiral lattice insulator Cu_{2}OSeO_{3}.

[Phys. Rev. Lett. 113, 107203] Published Thu Sep 04, 2014

]]>On a single chip, sources of entangled photons are combined with optical elements that can perform complex manipulations of quantum signals.

[Phys. Rev. Lett. 113, 103601] Published Thu Sep 04, 2014

]]>Gravitational wave signatures from new solutions of the classic three-body problem yield luminosities that are orders of magnitude larger than their binary counterparts.

[Phys. Rev. Lett. 113, 101102] Published Thu Sep 04, 2014

]]>Fractal structures based on hexagonal honeycombs provide a route to create low-weight materials with tunable properties.

[Phys. Rev. Lett. 113, 104301] Published Wed Sep 03, 2014

]]>Analysis of sea surface height measurements during a storm in North Carolina’s Outer Banks has led to the first observation of an unusual form of turbulence.

[Phys. Rev. Lett. 113, 108501] Published Tue Sep 02, 2014

]]>A new superconducting alloy, which behaves as a type II superconductor below 7.3 K, has been synthesized from Tantalum, Niobium, Hafnium, Zirconium and Titanium.

[Phys. Rev. Lett. 113, 107001] Published Tue Sep 02, 2014

]]>What can high-energy neutrinos tell us about astrophysical objects beyond our galaxy?

[Phys. Rev. Lett. 113, 101101] Published Tue Sep 02, 2014

]]>Magnetic reconnection - where magnetic energy is converted into kinetic energy and particle acceleration - is studied with a density asymmetry in a laboratory plasma for the first time.

[Phys. Rev. Lett. 113, 095002] Published Thu Aug 28, 2014

]]>The spectrum of gravitational waves from binary neutron star mergers can be used to discern information on the stars’ equation of state.

[Phys. Rev. Lett. 113, 091104] Published Thu Aug 28, 2014

]]>Both swimmer elasticity and stroke asymmetry can lead to faster swimming in low Reynolds number swimmers. A substantial boost is seen if these two effects work in tandem.

[Phys. Rev. Lett. 113, 098102] Published Wed Aug 27, 2014

]]>An experimental scheme is put forward that would allow macroscopic quantum superposition states to be created from hundreds of atoms in two-component Bose-Einstein condensates.

[Phys. Rev. Lett. 113, 090401] Published Tue Aug 26, 2014

]]>Terahertz radiation induces a dc electric current in 3D topological insulators, due to the asymmetric scattering of fermions by the field. The current is generated only in the surface electrons, allowing surface and bulk electron transport to be independently studied.

[Phys. Rev. Lett. 113, 096601] Published Mon Aug 25, 2014

]]>A spin entangled system of more than a million laser cooled atoms has been created using spin measurements along three orthogonal axes – the first measurement-induced spin squeezing to a singlet state.

[Phys. Rev. Lett. 113, 093601] Published Mon Aug 25, 2014

]]>The authors demonstrate that matrix product states, a construction used in condensed matter physics to describe the quantum state of many particles, can be used for real-time simulations of a gauge theory.

[Phys. Rev. Lett. 113, 091601] Published Mon Aug 25, 2014

]]>The recently observed signal from a direct-dark-matter-detection search may instead be due to neutrons generated from solar neutrinos and atmospheric muons.

[Phys. Rev. Lett. 113, 081302] Published Thu Aug 21, 2014

]]>Electro-osmosis in liquid films or soap bubbles is highly efficient, even when the number of charged surfactant molecules is small, due to an exact compensation between flow reduction from decreasing surface charge and flow enhancement from increased slip between the liquid and surfactant.

[Phys. Rev. Lett. 113, 088301] Published Wed Aug 20, 2014

]]>A flat optical device is designed to allow light to travel unimpeded along its edges, even in the presence of defects.

[Phys. Rev. Lett. 113, 087403] Published Wed Aug 20, 2014

]]>New experiments explain why thin coatings sometimes develop cracks in highly ordered patterns, such as spirals or crescents.

[Phys. Rev. Lett. 113, 085502] Published Wed Aug 20, 2014

]]>A small perturbation in a system’s parameter can convert its attractor from chaotic to periodic, where the probability of obtaining a chaotic regime scales as a power law with respect to the perturbation size. These results look at how and why the way in which this scaling is defined can lead to different numerical values for the exponent.

[Phys. Rev. Lett. 113, 084101] Published Wed Aug 20, 2014

]]>The magnetic field of intense visible light should have a major effect on the spectra of plasmas made from a wide range of elements.

[Phys. Rev. Lett. 113, 083002] Published Tue Aug 19, 2014

]]>Symmetry protected 3D topological phases can be distinguished by their three-loop braiding statistics.

[Phys. Rev. Lett. 113, 080403] Published Tue Aug 19, 2014

]]>Clustering can enhance the spread of information in networks, via intra-community interactions.

[Phys. Rev. Lett. 113, 088701] Published Mon Aug 18, 2014

]]>Nonperturbative analysis of magnetic impurities embedded in a superconducting host demonstrates that the RKKY theory for simple metals - coupling between the magnetic moments and conduction elections - is insufficient to describe exchange interactions, and localized electronic bound states near the impurity must also be taken into account.

[Phys. Rev. Lett. 113, 087202] Published Mon Aug 18, 2014

]]>Thermodynamic scaling analysis links static physical quantities to the intermolecular forces and mobility between molecules.

[Phys. Rev. Lett. 113, 085701] Published Mon Aug 18, 2014

]]>First-principle density functional theory calculations predict the existence of an elemental 3D carbon kagome lattice and provide concrete fabrication techniques for this new material.

[Phys. Rev. Lett. 113, 085501] Published Mon Aug 18, 2014

]]>More realistic versions of lattice QCD may lead to a better understanding of how quarks formed hadrons in the early Universe.

[Phys. Rev. Lett. 113, 082001] Published Mon Aug 18, 2014

]]>Theorists propose a “thermal” memory—one based on temperature, rather than voltage—that could switch from zero to one faster than other designs.

[Phys. Rev. Lett. 113, 074301] Published Fri Aug 15, 2014

]]>An inflationary scenario that satisfies all observational constraints from BICEP2 and Planck, two independent cosmological surveys of the early Universe, uses a combination of both rapid and slowly varying potentials.

[Phys. Rev. Lett. 113, 071301] Published Wed Aug 13, 2014

]]>A new method for measuring the photon number distribution of an optical field is demonstrated; the unknown photon signal is mixed with incoherent noise and then measured with a simple on/off detector.

[Phys. Rev. Lett. 113, 070403] Published Wed Aug 13, 2014

]]>A stochastic implementation of an often used approximation to many-body perturbation theory promises more accurate, quicker electronic structure calculations of large systems.

[Phys. Rev. Lett. 113, 076402] Published Mon Aug 11, 2014

]]>A scheme is proposed for motion control of trapped ions that allows ground-state cooling of the ions via coupled microwaves and a running optical lattice.

[Phys. Rev. Lett. 113, 073002] Published Mon Aug 11, 2014

]]>Unobserved hadrons - specifically those made of strange quarks - provide insight into lattice QCD calculations near the Quark Gluon Plasma phase transition.

[Phys. Rev. Lett. 113, 072001] Published Mon Aug 11, 2014

]]>Impedance matching between a microwave photon pulse and an artificial atom coupled to a waveguide is experimentally demonstrated - the incident photons are completely absorbed by the cavity.

[Phys. Rev. Lett. 113, 063604] Published Fri Aug 08, 2014

]]>Free-space quantum communication over a distance of 210 meters is demonstrated using orbital angular momentum of light.

[Phys. Rev. Lett. 113, 060503] Published Fri Aug 08, 2014

]]>E. coli near a surface become easily trapped because liquid forces suppress their tumbling motion.

[Phys. Rev. Lett. 113, 068103] Published Thu Aug 07, 2014

]]>A new method for preparing Bose-Einstein condensates in optical lattices is proposed, which limits detrimental effects such as decoherence, three-body losses and uncontrolled sources of noise.

[Phys. Rev. Lett. 113, 063003] Published Thu Aug 07, 2014

]]>In line with previous theoretical predictions, noise is shown experimentally to stabilize memory retention in sheared particle suspensions.

[Phys. Rev. Lett. 113, 068301] Published Tue Aug 05, 2014

]]>Two independent groups have shown that certain defects in superfluids can be identified as solitonic vortices.

[Phys. Rev. Lett. 113, 065302] Published Mon Aug 04, 2014

]]>Two independent groups have shown that certain defects in superfluids can be identified as solitonic vortices.

[Phys. Rev. Lett. 113, 065301] Published Mon Aug 04, 2014

]]>Squeezed states of light have been successfully transmitted through 1.6 km of turbulent atmosphere using a polarization encoding technique.

[Phys. Rev. Lett. 113, 060502] Published Mon Aug 04, 2014

]]>A collection of qubits are used to measure the topological invariants of an engineered spin system.

[Phys. Rev. Lett. 113, 050402] Published Wed Jul 30, 2014

]]>Superfluidity can be induced, rather than destroyed, by thermal fluctuations in systems having free energy degeneracies.

[Phys. Rev. Lett. 113, 055301] Published Tue Jul 29, 2014

]]>By tracking the movement of tracer particles in a turbulent flow, researchers can connect the irreversibility of turbulence with microscopic fluid properties.

[Phys. Rev. Lett. 113, 054501] Published Tue Jul 29, 2014

]]>Researchers have used interactions between highly excited atoms to make an optical transistor that can be activated by a single photon.

[Phys. Rev. Lett. 113, 053602] Published Mon Jul 28, 2014

]]>Researchers have used interactions between highly excited atoms to make an optical transistor that can be activated by a single photon.

[Phys. Rev. Lett. 113, 053601] Published Mon Jul 28, 2014

]]>Fluctuations in the charge carrier density are shown, theoretically and experimentally, to cause magnetoresistance in graphene and more generally any two-dimensional electron system.

[Phys. Rev. Lett. 113, 047206] Published Fri Jul 25, 2014

]]>A system to monitor a nuclear reactor for possible diversion of weapons material would use an antineutrino detector parked close to the facility.

[Phys. Rev. Lett. 113, 042503] Published Fri Jul 25, 2014

]]>The electromagnetic response of fractional quantum Hall states is shown to be analogous to gravitational anomalies, allowing for the computation of previously unknown kinetic coefficients.

[Phys. Rev. Lett. 113, 046803] Published Thu Jul 24, 2014

]]>Future radio surveys of intergalactic hydrogen clouds could offer the first direct measurement of the Universe’s acceleration.

[Phys. Rev. Lett. 113, 041303] Published Thu Jul 24, 2014

]]>Femtosecond coherent control of the time evolution of excited atomic state populations is demonstrated using phase-shaped light pulses.

[Phys. Rev. Lett. 113, 043003] Published Wed Jul 23, 2014

]]>Transport measurements confirm the presence of a quadratic spin orbit interaction in a 2D GaAs hole gas.

[Phys. Rev. Lett. 113, 046801] Published Mon Jul 21, 2014

]]>Contrary to earlier claims, the existence of massive sterile neutrinos does not reduce the discrepancy between cosmological data sets from the early and late time universe.

[Phys. Rev. Lett. 113, 041301] Published Mon Jul 21, 2014

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