Author(s): Benedict Seiferle, Lars von der Wense, and Peter G. Thirolf
The half-life of 229Th has been measured to be 7±1μs.
[Phys. Rev. Lett. 118, 042501] Published Thu Jan 26, 2017
Spontaneous Breakdown of Topological Protection in Two Dimensions
Author(s): Jianhui Wang, Yigal Meir, and Yuval GefenA topological insulator with beveled, as opposed to sharp, edges might lose the attributes that make it attractive for applications.[Phys. Rev. Lett. 118, 046801] Published Thu Jan 26, 2017
Light-Induced Pulling and Pushing by the Synergic Effect of Optical Force and Photophoretic Force
Author(s): Jinsheng Lu, Hangbo Yang, Lina Zhou, Yuanqing Yang, Si Luo, Qiang Li, and Min Qiu
Two forces coming from a light beam—one based on momentum transfer, the other on thermal effects—force a tiny gold plate to move in opposite directions.
[Phys. Rev. Lett. 118, 043601] Published Mon Jan 23, 2017
Accelerating Plasma Mirrors to Investigate the Black Hole Information Loss Paradox
Author(s): Pisin Chen and Gerard MourouA proposal for using an accelerated plasma mirror to study the black hole information paradox elevates a thought experiment into a potential reality.[Phys. Rev. Lett. 118, 045001] Published Mon Jan 23, 2017
Light-Induced Pulling and Pushing by the Synergic Effect of Optical Force and Photophoretic Force
Author(s): Jinsheng Lu, Hangbo Yang, Lina Zhou, Yuanqing Yang, Si Luo, Qiang Li, and Min Qiu
Two forces coming from a light beam—one based on momentum transfer, the other on thermal effects—force a tiny gold plate to move in opposite directions.
[Phys. Rev. Lett. 118, 043601] Published Mon Jan 23, 2017
Accelerating Plasma Mirrors to Investigate the Black Hole Information Loss Paradox
Author(s): Pisin Chen and Gerard MourouA proposal for using an accelerated plasma mirror to study the black hole information paradox elevates a thought experiment into a potential reality.[Phys. Rev. Lett. 118, 045001] Published Mon Jan 23, 2017
Orbitalwise Coordination Number for Predicting Adsorption Properties of Metal Nanocatalysts
Author(s): Xianfeng Ma and Hongliang XinA microscopic coordination number affects the macroscopic catalytic properties of metallic nanoparticles.[Phys. Rev. Lett. 118, 036101] Published Fri Jan 20, 2017
Redefining the Axion Window
Author(s): Luca Di Luzio, Federico Mescia, and Enrico NardiThe region of parameter space corresponding to realistic models in which axions may exist is considerably larger than assumed.[Phys. Rev. Lett. 118, 031801] Published Fri Jan 20, 2017
Orbitalwise Coordination Number for Predicting Adsorption Properties of Metal Nanocatalysts
Author(s): Xianfeng Ma and Hongliang XinA microscopic coordination number affects the macroscopic catalytic properties of metallic nanoparticles.[Phys. Rev. Lett. 118, 036101] Published Fri Jan 20, 2017
Redefining the Axion Window
Author(s): Luca Di Luzio, Federico Mescia, and Enrico NardiThe region of parameter space corresponding to realistic models in which axions may exist is considerably larger than assumed.[Phys. Rev. Lett. 118, 031801] Published Fri Jan 20, 2017
Abnormal Elasticity of Single-Crystal Magnesiosiderite across the Spin Transition in Earth’s Lower Mantle
Author(s): Suyu Fu, Jing Yang, and Jung-Fu Lin
Measurements of the elastic constants of magnesiosiderite at room temperature and pressures up to 70 GPa show changes in the shear and compressive stress moduli around the material’s spin transition.
[Phys. Rev. Lett. 118, 036402] Published Thu Jan 19, 2017
Probing Intermolecular Coupled Vibrations between Two Molecules
Author(s): Zhumin Han (韩竹敏), Gregory Czap, Chen Xu (徐晨), Chi-lun Chiang (蔣季倫), Dingwang Yuan (袁定旺), Ruqian Wu, and W. Ho
Using a scanning tunneling microscope, researchers detect coupled vibrations between two molecules.
[Phys. Rev. Lett. 118, 036801] Published Thu Jan 19, 2017
Franson Interference Generated by a Two-Level System
Author(s): M. Peiris, K. Konthasinghe, and A. MullerTime-energy correlated photon pairs are generated with scattered light from a frequency filtered, resonantly driven quantum dot.[Phys. Rev. Lett. 118, 030501] Published Thu Jan 19, 2017
Abnormal Elasticity of Single-Crystal Magnesiosiderite across the Spin Transition in Earth’s Lower Mantle
Author(s): Suyu Fu, Jing Yang, and Jung-Fu Lin
Measurements of the elastic constants of magnesiosiderite at room temperature and pressures up to 70 GPa show changes in the shear and compressive stress moduli around the material’s spin transition.
[Phys. Rev. Lett. 118, 036402] Published Thu Jan 19, 2017
Probing Intermolecular Coupled Vibrations between Two Molecules
Author(s): Zhumin Han (韩竹敏), Gregory Czap, Chen Xu (徐晨), Chi-lun Chiang (蔣季倫), Dingwang Yuan (袁定旺), Ruqian Wu, and W. Ho
Using a scanning tunneling microscope, researchers detect coupled vibrations between two molecules.
[Phys. Rev. Lett. 118, 036801] Published Thu Jan 19, 2017
Franson Interference Generated by a Two-Level System
Author(s): M. Peiris, K. Konthasinghe, and A. MullerTime-energy correlated photon pairs are generated with scattered light from a frequency filtered, resonantly driven quantum dot.[Phys. Rev. Lett. 118, 030501] Published Thu Jan 19, 2017
Discrete Time Crystals: Rigidity, Criticality, and Realizations
Author(s): N. Y. Yao, A. C. Potter, I.-D. Potirniche, and A. Vishwanath
A detailed theoretical recipe for making time crystals has been unveiled and swiftly implemented by two groups using vastly different experimental systems.
[Phys. Rev. Lett. 118, 030401] Published Wed Jan 18, 2017
Discrete Time Crystals: Rigidity, Criticality, and Realizations
Author(s): N. Y. Yao, A. C. Potter, I.-D. Potirniche, and A. Vishwanath
A detailed theoretical recipe for making time crystals has been unveiled and swiftly implemented by two groups using vastly different experimental systems.
[Phys. Rev. Lett. 118, 030401] Published Wed Jan 18, 2017
Interaction of Ultraintense Laser Vortices with Plasma Mirrors
Author(s): A. Denoeud, L. Chopineau, A. Leblanc, and F. Quéré
Laser vortex beams can exchange their optical angular momentum with a plasma from which they are reflected.
[Phys. Rev. Lett. 118, 033902] Published Wed Jan 18, 2017
Interaction of Ultraintense Laser Vortices with Plasma Mirrors
Author(s): A. Denoeud, L. Chopineau, A. Leblanc, and F. Quéré
Laser vortex beams can exchange their optical angular momentum with a plasma from which they are reflected.
[Phys. Rev. Lett. 118, 033902] Published Wed Jan 18, 2017
Holography of the Dirac Fluid in Graphene with Two Currents
Author(s): Yunseok Seo, Geunho Song, Philip Kim, Subir Sachdev, and Sang-Jin SinA holographic model is proposed for a strongly coupled Dirac fluid that describes graphene near charge neutrality.[Phys. Rev. Lett. 118, 036601] Published Wed Jan 18, 2017
Holography of the Dirac Fluid in Graphene with Two Currents
Author(s): Yunseok Seo, Geunho Song, Philip Kim, Subir Sachdev, and Sang-Jin SinA holographic model is proposed for a strongly coupled Dirac fluid that describes graphene near charge neutrality.[Phys. Rev. Lett. 118, 036601] Published Wed Jan 18, 2017
Are There Signatures of Harmonic Oscillator Shells Far from Stability? First Spectroscopy of ^{110} Zr
Author(s): N. Paul et al.
The first measurement of the low-lying states of the neutron-rich ^{110}Zr and ^{112}Mo was performed via in-beam γ-ray spectroscopy after one proton removal on hydrogen at ∼200 MeV/nucleon. The 2_{1}^{+} excitation energies were found at 185(11) keV in ^{110}Zr, and 235(7) keV in ^{112}Mo, while t…
[Phys. Rev. Lett. 118, 032501] Published Wed Jan 18, 2017
Interaction of Ultraintense Laser Vortices with Plasma Mirrors
Author(s): A. Denoeud, L. Chopineau, A. Leblanc, and F. Quéré
Laser vortex beams can exchange their optical angular momentum with a plasma from which they are reflected.
[Phys. Rev. Lett. 118, 033902] Published Wed Jan 18, 2017
Are There Signatures of Harmonic Oscillator Shells Far from Stability? First Spectroscopy of ^{110} Zr
Author(s): N. Paul et al.Spectroscopy measurements of two nominally magic-number isotopes that lie near the neutron dripline show that neither isotope exhibits the states expected for a magic nucleus, challenging existing nuclear shell models.[Phys. Re…
Discrete Time Crystals: Rigidity, Criticality, and Realizations
Author(s): N. Y. Yao, A. C. Potter, I.-D. Potirniche, and A. Vishwanath
A detailed theoretical recipe for making time crystals has been unveiled and swiftly implemented by two groups using vastly different experimental systems.
[Phys. Rev. Lett. 118, 030401] Published Wed Jan 18, 2017
Holography of the Dirac Fluid in Graphene with Two Currents
Author(s): Yunseok Seo, Geunho Song, Philip Kim, Subir Sachdev, and Sang-Jin SinA holographic model is proposed for a strongly coupled Dirac fluid that describes graphene near charge neutrality.[Phys. Rev. Lett. 118, 036601] Published Wed Jan 18, 2017
Phononic Frequency Comb via Intrinsic Three-Wave Mixing
Author(s): Adarsh Ganesan, Cuong Do, and Ashwin Seshia
A micromechanical device generates a series of precise, equally spaced vibration frequencies, analogous to the light of the “optical frequency comb,” which has dramatically improved precision measurements.
[Phys. Rev. Lett. 118, 033903] Published Tue Jan 17, 2017
Efficient Electrical Spin Readout of NV^{−} Centers in Diamond
Author(s): Florian M. Hrubesch, Georg Braunbeck, Martin Stutzmann, Friedemann Reinhard, and Martin S. BrandtEnhanced readout contrast is achieved for the magnetic resonance of nitrogen-vacancy center spins in diamond using a new pulsed detection approa…
Efficient Electrical Spin Readout of NV^{−} Centers in Diamond
Author(s): Florian M. Hrubesch, Georg Braunbeck, Martin Stutzmann, Friedemann Reinhard, and Martin S. BrandtEnhanced readout contrast is achieved for the magnetic resonance of nitrogen-vacancy center spins in diamond using a new pulsed detection approa…
Phononic Frequency Comb via Intrinsic Three-Wave Mixing
Author(s): Adarsh Ganesan, Cuong Do, and Ashwin Seshia
A micromechanical device generates a series of precise, equally spaced vibration frequencies, analogous to the light of the “optical frequency comb,” which has dramatically improved precision measurements.
[Phys. Rev. Lett. 118, 033903] Published Tue Jan 17, 2017
Spectrum of Wind Power Fluctuations
Author(s): M. M. Bandi
A turbulence-based model of wind variations explains observed fluctuations in the power output from wind turbines.
[Phys. Rev. Lett. 118, 028301] Published Fri Jan 13, 2017
Spectrum of Wind Power Fluctuations
Author(s): M. M. Bandi
A turbulence-based model of wind variations explains observed fluctuations in the power output from wind turbines.
[Phys. Rev. Lett. 118, 028301] Published Fri Jan 13, 2017
Quasiphase Transition in a Single File of Water Molecules Encapsulated in (6,5) Carbon Nanotubes Observed by Temperature-Dependent Photoluminescence Spectroscopy
Author(s): Xuedan Ma, Sofie Cambré, Wim Wenseleers, Stephen K. Doorn, and Han Htoon
A temperature induced phase transition occurs in water molecules packed single-file inside a carbon nanotube, as shown by photoluminescence measurements and first-principles calculations.
[Phys. Rev. Lett. 118, 027402] Published Thu Jan 12, 2017
Metabolic Trade-Offs Promote Diversity in a Model Ecosystem
Author(s): Anna Posfai, Thibaud Taillefumier, and Ned S. WingreenA new ecosystem model, which accounts for metabolic trade-offs between coexisting species, shows that population diversity can increase even when species compete for the same limited nutr…
Quasiphase Transition in a Single File of Water Molecules Encapsulated in (6,5) Carbon Nanotubes Observed by Temperature-Dependent Photoluminescence Spectroscopy
Author(s): Xuedan Ma, Sofie Cambré, Wim Wenseleers, Stephen K. Doorn, and Han Htoon
A temperature induced phase transition occurs in water molecules packed single-file inside a carbon nanotube, as shown by photoluminescence measurements and first-principles calculations.
[Phys. Rev. Lett. 118, 027402] Published Thu Jan 12, 2017
Metabolic Trade-Offs Promote Diversity in a Model Ecosystem
Author(s): Anna Posfai, Thibaud Taillefumier, and Ned S. WingreenA new ecosystem model, which accounts for metabolic trade-offs between coexisting species, shows that population diversity can increase even when species compete for the same limited nutr…
Dark Energy from Violation of Energy Conservation
Author(s): Thibaut Josset, Alejandro Perez, and Daniel SudarskyA theoretical analysis suggests that quantum mechanical violations of energy conservation may arise in some proposed models of quantum gravity. If realized in nature, these violations could…
Results from a Search for Dark Matter in the Complete LUX Exposure
Author(s): D. S. Akerib et al. (LUX Collaboration)
No dark matter particles have been observed by two of the world’s most sensitive direct-detection experiments, casting doubt on a favored dark matter model.
[Phys. Rev. Lett. 118, 021303] Published Wed Jan 11, 2017
Two-Photon X-Ray Diffraction
Author(s): J. Stöhr
Conventional diffraction theory is predicted to break down for x-rays when spontaneous scattering is replaced by stimulated scattering by a thin film source. The stimulated diffraction pattern generated by the cooperative interaction of two coherent, unentangled photons results in self-focussing beyond the diffraction limit.
[Phys. Rev. Lett. 118, 024801] Published Wed Jan 11, 2017
Observation of J/ψϕ Structures Consistent with Exotic States from Amplitude Analysis of B^{+} →J/ψϕK^{+} Decays
Author(s): R. Aaij et al. (LHCb Collaboration)The LHCb collaboration has identified four new structures in B+ decays that are likely to be tetraquark states. Two of these tetraquark systems contain neither of the light u and d quarks.[Phys. Rev. Lett. …
Two-Photon X-Ray Diffraction
Author(s): J. Stöhr
Conventional diffraction theory is predicted to break down for x-rays when spontaneous scattering is replaced by stimulated scattering by a thin film source. The stimulated diffraction pattern generated by the cooperative interaction of two coherent, unentangled photons results in self-focussing beyond the diffraction limit.
[Phys. Rev. Lett. 118, 024801] Published Wed Jan 11, 2017
Results from a Search for Dark Matter in the Complete LUX Exposure
Author(s): D. S. Akerib et al. (LUX Collaboration)
No dark matter particles have been observed by two of the world’s most sensitive direct-detection experiments, casting doubt on a favored dark matter model.
[Phys. Rev. Lett. 118, 021303] Published Wed Jan 11, 2017
Observation of J/ψϕ Structures Consistent with Exotic States from Amplitude Analysis of B^{+} →J/ψϕK^{+} Decays
Author(s): R. Aaij et al. (LHCb Collaboration)The LHCb collaboration has identified four new structures in B+ decays that are likely to be tetraquark states. These tetraquark systems contain neither of the light u and d quarks.[Phys. Rev. Lett. 118, 02…
Dark Energy from Violation of Energy Conservation
Author(s): Thibaut Josset, Alejandro Perez, and Daniel SudarskyA theoretical analysis suggests that quantum mechanical violations of energy conservation may arise in some proposed models of quantum gravity. If realized in nature, these violations could…
Relativistic Coupled Cluster Calculations with Variational Quantum Electrodynamics Resolve the Discrepancy between Experiment and Theory Concerning the Electron Affinity and Ionization Potential of Gold
Author(s): L. F. Pašteka, E. Eliav, A. Borschevsky, U. Kaldor, and P. Schwerdtfeger
A long-standing discrepancy between experiments and theory concerning the electronic properties of gold has now been resolved.
[Phys. Rev. Lett. 118, 023002] Published Tue Jan 10, 2017
Biochemical Machines for the Interconversion of Mutual Information and Work
Author(s): Thomas McGrath, Nick S. Jones, Pieter Rein ten Wolde, and Thomas E. OuldridgeAn enzyme in a chemical bath can act as an autonomous biochemical device that exploits information to do work.[Phys. Rev. Lett. 118, 028101] Published Tue Jan 10, 2017
Relativistic Coupled Cluster Calculations with Variational Quantum Electrodynamics Resolve the Discrepancy between Experiment and Theory Concerning the Electron Affinity and Ionization Potential of Gold
Author(s): L. F. Pašteka, E. Eliav, A. Borschevsky, U. Kaldor, and P. Schwerdtfeger
A long-standing discrepancy between experiments and theory concerning the electronic properties of gold has now been resolved.
[Phys. Rev. Lett. 118, 023002] Published Tue Jan 10, 2017
Biochemical Machines for the Interconversion of Mutual Information and Work
Author(s): Thomas McGrath, Nick S. Jones, Pieter Rein ten Wolde, and Thomas E. OuldridgeAn enzyme in a chemical bath can act as an autonomous biochemical device that exploits information to do work.[Phys. Rev. Lett. 118, 028101] Published Tue Jan 10, 2017
Channeling of Branched Flow in Weakly Scattering Anisotropic Media
Author(s): Henri Degueldre, Jakob J. Metzger, Erik Schultheis, and Ragnar FleischmannA theoretical analysis of wave propagation through anisotropic media shows unexpected collective effects occur.[Phys. Rev. Lett. 118, 024301] Published Mon Jan 09, 2017
Channeling of Branched Flow in Weakly Scattering Anisotropic Media
Author(s): Henri Degueldre, Jakob J. Metzger, Erik Schultheis, and Ragnar FleischmannA theoretical analysis of wave propagation through anisotropic media shows unexpected collective effects occur.[Phys. Rev. Lett. 118, 024301] Published Mon Jan 09, 2017
Interplay Between Adsorption and Hydrodynamics in Nanochannels: Towards Tunable Membranes
Author(s): Sela Samin and René van Roij
Calculations show that capillary forces affecting a fluid mixture flowing through a nanochannel could be used to separate the mixture.
[Phys. Rev. Lett. 118, 014502] Published Fri Jan 06, 2017
Interplay Between Adsorption and Hydrodynamics in Nanochannels: Towards Tunable Membranes
Author(s): Sela Samin and René van Roij
Calculations show that capillary forces affecting a fluid mixture flowing through a nanochannel could be used to separate the mixture.
[Phys. Rev. Lett. 118, 014502] Published Fri Jan 06, 2017
Matter-Wave–Optical-Wave Mixing-Induced Transparency and a Nonhyperbolic Matter-Wave Quasisoliton in Quantum Gases
Author(s): Yan Li, Chengjie Zhu, W. R. Garrett, E. W. Hagley, and L. Deng
A new induced transparency effect is predicted to occur when a collective mode is excited in a Bose-Einstein condensate via a Raman process.
[Phys. Rev. Lett. 118, 013901] Published Thu Jan 05, 2017
Anisotropic Invariance and the Distribution of Quantum Correlations
Author(s): Shuming Cheng and Michael J. W. Hall
Two newly-discovered invariant properties of three-qubit states provide a fundamental missing link between two-party and three-party quantum correlations.
[Phys. Rev. Lett. 118, 010401] Published Thu Jan 05, 2017
Unified Time and Frequency Picture of Ultrafast Atomic Excitation in Strong Laser Fields
Author(s): H. Zimmermann, S. Patchkovskii, M. Ivanov, and U. EichmannA study describes tunneling and multi-photon regimes as manifestations of the same nonlinear process, viewed in time and frequency domains.[Phys. Rev. Lett. 118, 013003] Published Thu…
Exacerbating the Cosmological Constant Problem with Interacting Dark Energy Models
Author(s): M. C. David Marsh
A theoretical analysis suggests that interacting models of dark energy may be in tension with anthropic explanations of the cosmological constant based on theories with a finite number of vacua.
[Phys. Rev. Lett. 118, 011302] Published Thu Jan 05, 2017
Bose-Einstein Condensation of Long-Lifetime Polaritons in Thermal Equilibrium
Author(s): Yongbao Sun, Patrick Wen, Yoseob Yoon, Gangqiang Liu, Mark Steger, Loren N. Pfeiffer, Ken West, David W. Snoke, and Keith A. NelsonMaking use of improved microcavities, hybrid condensates of matter and light can be tuned to reach a thermal e…
Giant Spin-Orbit Splitting in Inverted InAs/GaSb Double Quantum Wells
Author(s): Fabrizio Nichele, Morten Kjaergaard, Henri J. Suominen, Rafal Skolasinski, Michael Wimmer, Binh-Minh Nguyen, Andrey A. Kiselev, Wei Yi, Marko Sokolich, Michael J. Manfra, Fanming Qu, Arjan J. A. Beukman, Leo P. Kouwenhoven, and Charles M. Marcus
A pair of semiconductor quantum wells with an inverted band structure hosts electrons whose spins are almost all in the same quantum state.
[Phys. Rev. Lett. 118, 016801] Published Thu Jan 05, 2017
Unified Time and Frequency Picture of Ultrafast Atomic Excitation in Strong Laser Fields
Author(s): H. Zimmermann, S. Patchkovskii, M. Ivanov, and U. EichmannA study describes tunneling and multi-photon regimes as manifestations of the same nonlinear process, viewed in time and frequency domains.[Phys. Rev. Lett. 118, 013003] Published Thu…
Bose-Einstein Condensation of Long-Lifetime Polaritons in Thermal Equilibrium
Author(s): Yongbao Sun, Patrick Wen, Yoseob Yoon, Gangqiang Liu, Mark Steger, Loren N. Pfeiffer, Ken West, David W. Snoke, and Keith A. NelsonMaking use of improved microcavities, hybrid condensates of matter and light can be tuned to reach a thermal e…
Exacerbating the Cosmological Constant Problem with Interacting Dark Energy Models
Author(s): M. C. David Marsh
A theoretical analysis suggests that interacting models of dark energy may be in tension with anthropic explanations of the cosmological constant based on theories with a finite number of vacua.
[Phys. Rev. Lett. 118, 011302] Published Thu Jan 05, 2017
Matter-Wave–Optical-Wave Mixing-Induced Transparency and a Nonhyperbolic Matter-Wave Quasisoliton in Quantum Gases
Author(s): Yan Li, Chengjie Zhu, W. R. Garrett, E. W. Hagley, and L. Deng
A new induced transparency effect is predicted to occur when a collective mode is excited in a Bose-Einstein condensate via a Raman process.
[Phys. Rev. Lett. 118, 013901] Published Thu Jan 05, 2017
Anisotropic Invariance and the Distribution of Quantum Correlations
Author(s): Shuming Cheng and Michael J. W. Hall
Two newly-discovered invariant properties of three-qubit states provide a fundamental missing link between two-party and three-party quantum correlations.
[Phys. Rev. Lett. 118, 010401] Published Thu Jan 05, 2017
Giant Spin-Orbit Splitting in Inverted InAs/GaSb Double Quantum Wells
Author(s): Fabrizio Nichele, Morten Kjaergaard, Henri J. Suominen, Rafal Skolasinski, Michael Wimmer, Binh-Minh Nguyen, Andrey A. Kiselev, Wei Yi, Marko Sokolich, Michael J. Manfra, Fanming Qu, Arjan J. A. Beukman, Leo P. Kouwenhoven, and Charles M. Marcus
A pair of semiconductor quantum wells with an inverted band structure hosts electrons whose spins are almost all in the same quantum state.
[Phys. Rev. Lett. 118, 016801] Published Thu Jan 05, 2017
Experimental Evidence for Sign Reversal of the Hall Coefficient in Three-Dimensional Metamaterials
Author(s): Christian Kern, Muamer Kadic, and Martin Wegener
A metamaterial that looks like chainmail has a Hall coefficient whose sign is flipped compared to the material it’s made from.
[Phys. Rev. Lett. 118, 016601] Published Wed Jan 04, 2017
Experimental Evidence for Sign Reversal of the Hall Coefficient in Three-Dimensional Metamaterials
Author(s): Christian Kern, Muamer Kadic, and Martin Wegener
A metamaterial that looks like chainmail has a Hall coefficient whose sign is flipped compared to the material it’s made from.
[Phys. Rev. Lett. 118, 016601] Published Wed Jan 04, 2017
Time-Resolved Imaging of Negative Differential Resistance on the Atomic Scale
Author(s): Mohammad Rashidi, Marco Taucer, Isil Ozfidan, Erika Lloyd, Mohammad Koleini, Hatem Labidi, Jason L. Pitters, Joseph Maciejko, and Robert A. WolkowCurrent flowing through a single silicon atom can be made to decrease with increasing voltage, …
Experimental Realization of a Thermal Squeezed State of Levitated Optomechanics
Author(s): Muddassar Rashid, Tommaso Tufarelli, James Bateman, Jamie Vovrosh, David Hempston, M. S. Kim, and Hendrik Ulbricht
Quickly oscillating between two trapping frequencies creates mechanical squeezing of the thermal motion of an optically levitated nanosphere.
[Phys. Rev. Lett. 117, 273601] Published Fri Dec 30, 2016
Time-Resolved Imaging of Negative Differential Resistance on the Atomic Scale
Author(s): Mohammad Rashidi, Marco Taucer, Isil Ozfidan, Erika Lloyd, Mohammad Koleini, Hatem Labidi, Jason L. Pitters, Joseph Maciejko, and Robert A. WolkowCurrent flowing through a single silicon atom can be made to decrease with increasing voltage, …
Experimental Realization of a Thermal Squeezed State of Levitated Optomechanics
Author(s): Muddassar Rashid, Tommaso Tufarelli, James Bateman, Jamie Vovrosh, David Hempston, M. S. Kim, and Hendrik Ulbricht
Quickly oscillating between two trapping frequencies creates mechanical squeezing of the thermal motion of an optically levitated nanosphere.
[Phys. Rev. Lett. 117, 273601] Published Fri Dec 30, 2016
Weaving Knotted Vector Fields with Tunable Helicity
Author(s): Hridesh Kedia, David Foster, Mark R. Dennis, and William T. M. Irvine
A prediction of divergence-free knotted vector fields from complex scalar fields has consequences for studies of magnetic fields in complex patterns.
[Phys. Rev. Lett. 117, 274501] Published Thu Dec 29, 2016
Colloidal Surfaces with Boundaries, Apex Boojums, and Nested Elastic Self-Assembly of Nematic Colloids
Author(s): Sungoh Park, Qingkun Liu, and Ivan I. Smalyukh
Whether topological defects form when a disk-shaped particle is placed in a liquid-crystal bath depends on the thickness of the particle.
[Phys. Rev. Lett. 117, 277801] Published Thu Dec 29, 2016
Colloidal Surfaces with Boundaries, Apex Boojums, and Nested Elastic Self-Assembly of Nematic Colloids
Author(s): Sungoh Park, Qingkun Liu, and Ivan I. Smalyukh
Whether topological defects form when a disk-shaped particle is placed in a liquid-crystal bath depends on the thickness of the particle.
[Phys. Rev. Lett. 117, 277801] Published Thu Dec 29, 2016
Weaving Knotted Vector Fields with Tunable Helicity
Author(s): Hridesh Kedia, David Foster, Mark R. Dennis, and William T. M. Irvine
A prediction of divergence-free knotted vector fields from complex scalar fields has consequences for studies of magnetic fields in complex patterns.
[Phys. Rev. Lett. 117, 274501] Published Thu Dec 29, 2016
Coherence Times of Bose-Einstein Condensates beyond the Shot-Noise Limit via Superfluid Shielding
Author(s): William Cody Burton, Colin J. Kennedy, Woo Chang Chung, Samarth Vadia, Wenlan Chen, and Wolfgang KetterleSeparated Bose-Einstein condensates can be shielded from external forces if immersed in a superfluid bath.[Phys. Rev. Lett. 117, 275301]…
Coherence Times of Bose-Einstein Condensates beyond the Shot-Noise Limit via Superfluid Shielding
Author(s): William Cody Burton, Colin J. Kennedy, Woo Chang Chung, Samarth Vadia, Wenlan Chen, and Wolfgang KetterleSeparated Bose-Einstein condensates can be shielded from external forces if immersed in a superfluid bath.[Phys. Rev. Lett. 117, 275301]…
Anionic Hydrogen Cluster Ions as a New Form of Condensed Hydrogen
Author(s): Michael Renzler, Martin Kuhn, Andreas Mauracher, Albrecht Lindinger, Paul Scheier, and Andrew M. Ellis
Negatively charged hydrogen ion clusters—consisting of five or more hydrogen atoms—have been observed for the first time.
[Phys. Rev. Lett. 117, 273001] Published Tue Dec 27, 2016
Anionic Hydrogen Cluster Ions as a New Form of Condensed Hydrogen
Author(s): Michael Renzler, Martin Kuhn, Andreas Mauracher, Albrecht Lindinger, Paul Scheier, and Andrew M. Ellis
Negatively charged hydrogen ion clusters—consisting of five or more hydrogen atoms—have been observed for the first time.
[Phys. Rev. Lett. 117, 273001] Published Tue Dec 27, 2016
Axiomatic Relation between Thermodynamic and Information-Theoretic Entropies
Author(s): Mirjam Weilenmann, Lea Kraemer, Philippe Faist, and Renato RennerTwo notions of entropy are connected using a method reliant on basic properties common to both systems.[Phys. Rev. Lett. 117, 260601] Published Thu Dec 22, 2016
Axiomatic Relation between Thermodynamic and Information-Theoretic Entropies
Author(s): Mirjam Weilenmann, Lea Kraemer, Philippe Faist, and Renato RennerTwo notions of entropy are connected using a method reliant on basic properties common to both systems.[Phys. Rev. Lett. 117, 260601] Published Thu Dec 22, 2016
Avalanche Statistics Identify Intrinsic Stellar Processes near Criticality in KIC 8462852
Author(s): Mohammed A. Sheikh, Richard L. Weaver, and Karin A. Dahmen
A statistical analysis links a star’s mysterious brightness fluctuations to internal nonequilibrium phenomena, rather than structures orbiting around the star.
[Phys. Rev. Lett. 117, 261101] Published Mon Dec 19, 2016
Avalanche Statistics Identify Intrinsic Stellar Processes near Criticality in KIC 8462852
Author(s): Mohammed A. Sheikh, Richard L. Weaver, and Karin A. Dahmen
A statistical analysis links a star’s mysterious brightness fluctuations to internal nonequilibrium phenomena, rather than structures orbiting around the star.
[Phys. Rev. Lett. 117, 261101] Published Mon Dec 19, 2016
Role of Entropy in the Expulsion of Dopants from Optically Trapped Colloidal Assemblies
Author(s): Hreedish Kakoty, Rajarshi Banerjee, Chandan Dasgupta, and Ambarish GhoshColloidal clusters can both expel or internalize particles that differ in shape or size from those in the cluster, with the fate of the dopant depending on the entropy o…
Direct Measurement of the Critical Pore Size in a Model Membrane
Author(s): Mark Ilton, Christian DiMaria, and Kari Dalnoki-VeressPores in a polymer film are observed to evolve in size depending on their initial radius.[Phys. Rev. Lett. 117, 257801] Published Fri Dec 16, 2016
Role of Entropy in the Expulsion of Dopants from Optically Trapped Colloidal Assemblies
Author(s): Hreedish Kakoty, Rajarshi Banerjee, Chandan Dasgupta, and Ambarish GhoshColloidal clusters can both expel or internalize particles that differ in shape or size from those in the cluster, with the fate of the dopant depending on the entropy o…
Direct Measurement of the Critical Pore Size in a Model Membrane
Author(s): Mark Ilton, Christian DiMaria, and Kari Dalnoki-VeressPores in a polymer film are observed to evolve in size depending on their initial radius.[Phys. Rev. Lett. 117, 257801] Published Fri Dec 16, 2016
Solving the Hierarchy Problem at Reheating with a Large Number of Degrees of Freedom
Author(s): Nima Arkani-Hamed, Timothy Cohen, Raffaele Tito D’Agnolo, Anson Hook, Hyung Do Kim, and David Pinner
A new approach to solve the hierarchy problem—that the electroweak and Planck scales differ by 17 orders of magnitude—invokes a large number of copies of the Standard Model.
[Phys. Rev. Lett. 117, 251801] Published Thu Dec 15, 2016
Diffusiophoretic Focusing of Suspended Colloids
Author(s): Nan Shi, Rodrigo Nery-Azevedo, Amr I. Abdel-Fattah, and Todd M. Squires
A new microfluidic device enables the study of diffusiophoresis—migration of colloids in response to concentration gradients in the fluid—when both salt and pH gradients are present.
[Phys. Rev. Lett. 117, 258001] Published Thu Dec 15, 2016
Diffusiophoretic Focusing of Suspended Colloids
Author(s): Nan Shi, Rodrigo Nery-Azevedo, Amr I. Abdel-Fattah, and Todd M. Squires
A new microfluidic device enables the study of diffusiophoresis—migration of colloids in response to concentration gradients in the fluid—when both salt and pH gradients are present.
[Phys. Rev. Lett. 117, 258001] Published Thu Dec 15, 2016
Solving the Hierarchy Problem at Reheating with a Large Number of Degrees of Freedom
Author(s): Nima Arkani-Hamed, Timothy Cohen, Raffaele Tito D’Agnolo, Anson Hook, Hyung Do Kim, and David Pinner
A new approach to solve the hierarchy problem—that the electroweak and Planck scales differ by 17 orders of magnitude—invokes a large number of copies of the Standard Model.
[Phys. Rev. Lett. 117, 251801] Published Thu Dec 15, 2016
Observation of Half-Quantum Vortices in Topological Superfluid ^{3} He
Author(s): S. Autti, V. V. Dmitriev, J. T. Mäkinen, A. A. Soldatov, G. E. Volovik, A. N. Yudin, V. V. Zavjalov, and V. B. Eltsov
Researchers working with superfluid helium in a porous medium have generated vortices with half the quantum unit of fluid flow.
[Phys. Rev. Lett. 117, 255301] Published Wed Dec 14, 2016
Linear Magnetoresistance in a Quasifree Two-Dimensional Electron Gas in an Ultrahigh Mobility GaAs Quantum Well
Author(s): T. Khouri, U. Zeitler, C. Reichl, W. Wegscheider, N. E. Hussey, S. Wiedmann, and J. C. Maan
Charge density variations may be behind an unusual magnetic response seen in topological insulators and other novel materials.
[Phys. Rev. Lett. 117, 256601] Published Wed Dec 14, 2016
Observation of Half-Quantum Vortices in Topological Superfluid ^{3} He
Author(s): S. Autti, V. V. Dmitriev, J. T. Mäkinen, A. A. Soldatov, G. E. Volovik, A. N. Yudin, V. V. Zavjalov, and V. B. Eltsov
Researchers working with superfluid helium in a porous medium have generated vortices with half the quantum unit of fluid flow.
[Phys. Rev. Lett. 117, 255301] Published Wed Dec 14, 2016
Linear Magnetoresistance in a Quasifree Two-Dimensional Electron Gas in an Ultrahigh Mobility GaAs Quantum Well
Author(s): T. Khouri, U. Zeitler, C. Reichl, W. Wegscheider, N. E. Hussey, S. Wiedmann, and J. C. Maan
Charge density variations may be behind an unusual magnetic response seen in topological insulators and other novel materials.
[Phys. Rev. Lett. 117, 256601] Published Wed Dec 14, 2016
Experimental Demonstration of a Resonator-Induced Phase Gate in a Multiqubit Circuit-QED System
Author(s): Hanhee Paik, A. Mezzacapo, Martin Sandberg, D. T. McClure, B. Abdo, A. D. Córcoles, O. Dial, D. F. Bogorin, B. L. T. Plourde, M. Steffen, A. W. Cross, J. M. Gambetta, and Jerry M. Chow
A quantum phase gate that reduces the need for frequency matching is implemented using four superconducting qubits in a three-dimensional architecture, overcoming a scaling hurdle for these devices.
[Phys. Rev. Lett. 117, 250502] Published Tue Dec 13, 2016
Molecular Fountain
Author(s): Cunfeng Cheng, Aernout P. P. van der Poel, Paul Jansen, Marina Quintero-Pérez, Thomas E. Wall, Wim Ubachs, and Hendrick L. Bethlem
Gas molecules can be slowed down, cooled, and made to erupt like a fountain using electric fields, enabling their study over unprecedentedly long time scales.
[Phys. Rev. Lett. 117, 253201] Published Tue Dec 13, 2016
Tunable Ultrafast Thermal Relaxation in Graphene Measured by Continuous-Wave Photomixing
Author(s): M. Mehdi Jadidi, Ryan J. Suess, Cheng Tan, Xinghan Cai, Kenji Watanabe, Takashi Taniguchi, Andrei B. Sushkov, Martin Mittendorff, James Hone, H. Dennis Drew, Michael S. Fuhrer, and Thomas E. MurphyThe speed and nonlinearity of hot electrons …
Einstein-Podolsky-Rosen Entanglement of Narrow-Band Photons from Cold Atoms
Author(s): Jong-Chan Lee, Kwang-Kyoon Park, Tian-Ming Zhao, and Yoon-Ho KimPosition-momentum entanglement is achieved in narrowband photons generated from cold atoms via spontaneous four-wave mixing.[Phys. Rev. Lett. 117, 250501] Published Tue Dec 13, …
Tunable Ultrafast Thermal Relaxation in Graphene Measured by Continuous-Wave Photomixing
Author(s): M. Mehdi Jadidi, Ryan J. Suess, Cheng Tan, Xinghan Cai, Kenji Watanabe, Takashi Taniguchi, Andrei B. Sushkov, Martin Mittendorff, James Hone, H. Dennis Drew, Michael S. Fuhrer, and Thomas E. MurphyThe speed and nonlinearity of hot electrons …