Author(s): Baojie Feng, Osamu Sugino, Ro-Ya Liu, Jin Zhang, Ryu Yukawa, Mitsuaki Kawamura, Takushi Iimori, Howon Kim, Yukio Hasegawa, Hui Li, Lan Chen, Kehui Wu, Hiroshi Kumigashira, Fumio Komori, Tai-Chang Chiang, Sheng Meng, and Iwao MatsudaA one-ato…
Dirac Fermions in Borophene
Author(s): Baojie Feng, Osamu Sugino, Ro-Ya Liu, Jin Zhang, Ryu Yukawa, Mitsuaki Kawamura, Takushi Iimori, Howon Kim, Yukio Hasegawa, Hui Li, Lan Chen, Kehui Wu, Hiroshi Kumigashira, Fumio Komori, Tai-Chang Chiang, Sheng Meng, and Iwao MatsudaA one-ato…
Search for Cosmic-Ray Electron and Positron Anisotropies with Seven Years of Fermi Large Area Telescope Data
Author(s): S. Abdollahi et al. (Fermi-LAT Collaboration)No significant anisotropies in the cosmic ray spectrum of electrons and positrons are seen in seven years of Fermi-LAT data.[Phys. Rev. Lett. 118, 091103] Published Wed Mar 01, 2017
Search for Cosmic-Ray Electron and Positron Anisotropies with Seven Years of Fermi Large Area Telescope Data
Author(s): S. Abdollahi et al. (Fermi-LAT Collaboration)No significant anisotropies in the cosmic ray spectrum of electrons and positrons are seen in seven years of Fermi-LAT data.[Phys. Rev. Lett. 118, 091103] Published Wed Mar 01, 2017
Search for Cosmic-Ray Electron and Positron Anisotropies with Seven Years of Fermi Large Area Telescope Data
Author(s): S. Abdollahi et al. (Fermi-LAT Collaboration)No significant anisotropies in the cosmic ray spectrum of electrons and positrons are seen in seven years of Fermi-LAT data.[Phys. Rev. Lett. 118, 091103] Published Wed Mar 01, 2017
Barrier Crossing in <i>Escherichia coli</i> Chemotaxis
Author(s): Zhaojun Li, Qiuxian Cai, Xuanqi Zhang, Guangwei Si, Qi Ouyang, Chunxiong Luo, and Yuhai TuBacteria track fast-moving chemical signals by hopping from one chemically favorable region to another.[Phys. Rev. Lett. 118, 098101] Published Tue Feb…
Barrier Crossing in <i>Escherichia coli</i> Chemotaxis
Author(s): Zhaojun Li, Qiuxian Cai, Xuanqi Zhang, Guangwei Si, Qi Ouyang, Chunxiong Luo, and Yuhai TuBacteria track fast-moving chemical signals by hopping from one chemically favorable region to another.[Phys. Rev. Lett. 118, 098101] Published Tue Feb…
Barrier Crossing in <i>Escherichia coli</i> Chemotaxis
Author(s): Zhaojun Li, Qiuxian Cai, Xuanqi Zhang, Guangwei Si, Qi Ouyang, Chunxiong Luo, and Yuhai TuBacteria track fast-moving chemical signals by hopping from one chemically favorable region to another.[Phys. Rev. Lett. 118, 098101] Published Tue Feb…
Quasiparticle Approach to Molecules Interacting with Quantum Solvents
Author(s): Mikhail LemeshkoQuasiparticles called angulons can simplify the theoretical description of a molecule immersed in a quantum solvent.[Phys. Rev. Lett. 118, 095301] Published Mon Feb 27, 2017
Magnetic Trapping of Cold Methyl Radicals
Author(s): Yang Liu, Manish Vashishta, Pavle Djuricanin, Sida Zhou, Wei Zhong, Tony Mittertreiner, David Carty, and Takamasa MomoseA beam of non-polar methyl molecules is slowed to a temperature of 200 mK using a magnetic molecular decelerator.[Phys. R…
Quasiparticle Approach to Molecules Interacting with Quantum Solvents
Author(s): Mikhail LemeshkoQuasiparticles called angulons can simplify the theoretical description of a molecule immersed in a quantum solvent.[Phys. Rev. Lett. 118, 095301] Published Mon Feb 27, 2017
Magnetic Trapping of Cold Methyl Radicals
Author(s): Yang Liu, Manish Vashishta, Pavle Djuricanin, Sida Zhou, Wei Zhong, Tony Mittertreiner, David Carty, and Takamasa MomoseA beam of non-polar methyl molecules is slowed to a temperature of 200 mK using a magnetic molecular decelerator.[Phys. R…
Five-Loop Running of the QCD Coupling Constant
Author(s): P. A. Baikov, K. G. Chetyrkin, and J. H. Kühn
For the first time, theorists calculate the complete five-loop term in the beta function for quark-gluon coupling in quantum chromodynamics.
[Phys. Rev. Lett. 118, 082002] Published Fri Feb 24, 2017
How to Make Distinct Dynamical Systems Appear Spectrally Identical
Author(s): Andre G. Campos, Denys I. Bondar, Renan Cabrera, and Herschel A. RabitzCalculations show that a carefully engineered laser pulse can induce an atom to emit light as if it were a different atom.[Phys. Rev. Lett. 118, 083201] Published Fri Feb…
Impact of the Electronic Band Structure in High-Harmonic Generation Spectra of Solids
Author(s): Nicolas Tancogne-Dejean, Oliver D. Mücke, Franz X. Kärtner, and Angel Rubio
Advanced first-principles calculations reveal that the generation of high harmonic spectra is enhanced by the inhomogeneity of the electron-nuclei potential, which is obtained from the band structure.
[Phys. Rev. Lett. 118, 087403] Published Fri Feb 24, 2017
Five-Loop Running of the QCD Coupling Constant
Author(s): P. A. Baikov, K. G. Chetyrkin, and J. H. Kühn
For the first time, theorists calculate the complete five-loop term in the beta function for quark-gluon coupling in quantum chromodynamics.
[Phys. Rev. Lett. 118, 082002] Published Fri Feb 24, 2017
How to Make Distinct Dynamical Systems Appear Spectrally Identical
Author(s): Andre G. Campos, Denys I. Bondar, Renan Cabrera, and Herschel A. RabitzCalculations show that a carefully engineered laser pulse can induce an atom to emit light as if it were a different atom.[Phys. Rev. Lett. 118, 083201] Published Fri Feb…
Impact of the Electronic Band Structure in High-Harmonic Generation Spectra of Solids
Author(s): Nicolas Tancogne-Dejean, Oliver D. Mücke, Franz X. Kärtner, and Angel Rubio
Advanced first-principles calculations reveal that the generation of high harmonic spectra is enhanced by the inhomogeneity of the electron-nuclei potential, which is obtained from the band structure.
[Phys. Rev. Lett. 118, 087403] Published Fri Feb 24, 2017
Fast Dynamics of Water Droplets Freezing from the Outside In
Author(s): Sander Wildeman, Sebastian Sterl, Chao Sun, and Detlef Lohse
High-speed video and modeling reveal the conditions under which water drops explode when they’re frozen from the outside in.
[Phys. Rev. Lett. 118, 084101] Published Thu Feb 23, 2017
Fast Dynamics of Water Droplets Freezing from the Outside In
Author(s): Sander Wildeman, Sebastian Sterl, Chao Sun, and Detlef Lohse
High-speed video and modeling reveal the conditions under which water drops explode when they’re frozen from the outside in.
[Phys. Rev. Lett. 118, 084101] Published Thu Feb 23, 2017
Selective Probing of Hidden Spin-Polarized States in Inversion-Symmetric Bulk MoS_{2}
Author(s): E. Razzoli, T. Jaouen, M.-L. Mottas, B. Hildebrand, G. Monney, A. Pisoni, S. Muff, M. Fanciulli, N. C. Plumb, V. A. Rogalev, V. N. Strocov, J. Mesot, M. Shi, J. H. Dil, H. Beck, and P. Aebi
Photoemission spectroscopy has detected two different populations of spin-polarized electrons that are “hidden” within a layered, graphene-like material.
[Phys. Rev. Lett. 118, 086402] Published Wed Feb 22, 2017
Selective Probing of Hidden Spin-Polarized States in Inversion-Symmetric Bulk MoS_{2}
Author(s): E. Razzoli, T. Jaouen, M.-L. Mottas, B. Hildebrand, G. Monney, A. Pisoni, S. Muff, M. Fanciulli, N. C. Plumb, V. A. Rogalev, V. N. Strocov, J. Mesot, M. Shi, J. H. Dil, H. Beck, and P. Aebi
Photoemission spectroscopy has detected two different populations of spin-polarized electrons that are “hidden” within a layered, graphene-like material.
[Phys. Rev. Lett. 118, 086402] Published Wed Feb 22, 2017
Observation of the Annihilation Decay Mode B^{0} →K^{+} K^{−}
Author(s): R. Aaij et al. (LHCb Collaboration)The LHCb Collaboration reports the rarest (8 in 100 million events) fully hadronic B0 meson decay ever observed.[Phys. Rev. Lett. 118, 081801] Published Tue Feb 21, 2017
Repulsive Fermi Polarons in a Resonant Mixture of Ultracold ^{6} Li Atoms
Author(s): F. Scazza, G. Valtolina, P. Massignan, A. Recati, A. Amico, A. Burchianti, C. Fort, M. Inguscio, M. Zaccanti, and G. RoatiRadio frequency spectroscopy measurements are used to determine the effective mass, energy, and decay rate of repulsive…
Nonmonotonic Aging and Memory Retention in Disordered Mechanical Systems
Author(s): Yoav Lahini, Omer Gottesman, Ariel Amir, and Shmuel M. Rubinstein
Crumpled sheets “remember” the application and removal of a force for days, a newly discovered memory effect that suggests crumpled sheets are a lot like glasses.
[Phys. Rev. Lett. 118, 085501] Published Tue Feb 21, 2017
Observation of the Annihilation Decay Mode B^{0} →K^{+} K^{−}
Author(s): R. Aaij et al. (LHCb Collaboration)The LHCb Collaboration reports the rarest (8 in 100 million events) fully hadronic B0 meson decay ever observed.[Phys. Rev. Lett. 118, 081801] Published Tue Feb 21, 2017
Repulsive Fermi Polarons in a Resonant Mixture of Ultracold ^{6} Li Atoms
Author(s): F. Scazza, G. Valtolina, P. Massignan, A. Recati, A. Amico, A. Burchianti, C. Fort, M. Inguscio, M. Zaccanti, and G. RoatiRadio frequency spectroscopy measurements are used to determine the effective mass, energy, and decay rate of repulsive…
Nonmonotonic Aging and Memory Retention in Disordered Mechanical Systems
Author(s): Yoav Lahini, Omer Gottesman, Ariel Amir, and Shmuel M. Rubinstein
Crumpled sheets “remember” the application and removal of a force for days, a newly discovered memory effect that suggests crumpled sheets are a lot like glasses.
[Phys. Rev. Lett. 118, 085501] Published Tue Feb 21, 2017
Marangoni Bursting: Evaporation-Induced Emulsification of Binary Mixtures on a Liquid Layer
Author(s): L. Keiser, H. Bense, P. Colinet, J. Bico, and E. ReyssatA drop of water-alcohol mixture on a layer of oil was caught on video bursting into thousands of tiny droplets.[Phys. Rev. Lett. 118, 074504] Published Fri Feb 17, 2017
Optically Imaged Striped Domains of Nonequilibrium Electronic and Nuclear Spins in a Fractional Quantum Hall Liquid
Author(s): John N. Moore, Junichiro Hayakawa, Takaaki Mano, Takeshi Noda, and Go YusaPhotoluminescence and magnetic resonance imaging reveal deformable regions in fractional quantum Hall liquids that produce nuclear spins from spin-polarized electrons….
Spontaneous Currents in Superconducting Systems with Strong Spin-Orbit Coupling
Author(s): S. Mironov and A. BuzdinSpin-orbit-model calculations predict a spontaneous supercurrent at the interface between an s-wave superconductor and a ferromagnet.[Phys. Rev. Lett. 118, 077001] Published Fri Feb 17, 2017
Marangoni Bursting: Evaporation-Induced Emulsification of Binary Mixtures on a Liquid Layer
Author(s): L. Keiser, H. Bense, P. Colinet, J. Bico, and E. ReyssatA drop of water-alcohol mixture on a layer of oil was caught on video bursting into thousands of tiny droplets.[Phys. Rev. Lett. 118, 074504] Published Fri Feb 17, 2017
Optically Imaged Striped Domains of Nonequilibrium Electronic and Nuclear Spins in a Fractional Quantum Hall Liquid
Author(s): John N. Moore, Junichiro Hayakawa, Takaaki Mano, Takeshi Noda, and Go YusaPhotoluminescence and magnetic resonance imaging reveal deformable regions in fractional quantum Hall liquids that produce nuclear spins from spin-polarized electrons….
Spontaneous Currents in Superconducting Systems with Strong Spin-Orbit Coupling
Author(s): S. Mironov and A. BuzdinSpin-orbit-model calculations predict a spontaneous supercurrent at the interface between an s-wave superconductor and a ferromagnet.[Phys. Rev. Lett. 118, 077001] Published Fri Feb 17, 2017
Unifying Inflation with the Axion, Dark Matter, Baryogenesis, and the Seesaw Mechanism
Author(s): Guillermo Ballesteros, Javier Redondo, Andreas Ringwald, and Carlos TamaritA minimal extension to the standard model of particle physics involves six new particles.[Phys. Rev. Lett. 118, 071802] Published Wed Feb 15, 2017
Unifying Inflation with the Axion, Dark Matter, Baryogenesis, and the Seesaw Mechanism
Author(s): Guillermo Ballesteros, Javier Redondo, Andreas Ringwald, and Carlos TamaritA minimal extension to the standard model of particle physics involves six new particles.[Phys. Rev. Lett. 118, 071802] Published Wed Feb 15, 2017
No-Go Theorem for the Characterization of Work Fluctuations in Coherent Quantum Systems
Author(s): Martí Perarnau-Llobet, Elisa Bäumer, Karen V. Hovhannisyan, Marcus Huber, and Antonio Acin
The operator of work in quantum thermodynamics is incompatible with quantum mechanics, which is why the correspondence principle has to be critically examined whenever work is involved.
[Phys. Rev. Lett. 118, 070601] Published Tue Feb 14, 2017
Fundamental Limits to Collective Concentration Sensing in Cell Populations
Author(s): Sean Fancher and Andrew MuglerCells that communicate with each other can measure chemical concentrations with higher precision if they spread out into a sparse configuration.[Phys. Rev. Lett. 118, 078101] Published Tue Feb 14, 2017
No-Go Theorem for the Characterization of Work Fluctuations in Coherent Quantum Systems
Author(s): Martí Perarnau-Llobet, Elisa Bäumer, Karen V. Hovhannisyan, Marcus Huber, and Antonio Acin
The operator of work in quantum thermodynamics is incompatible with quantum mechanics, which is why the correspondence principle has to be critically examined whenever work is involved.
[Phys. Rev. Lett. 118, 070601] Published Tue Feb 14, 2017
Fundamental Limits to Collective Concentration Sensing in Cell Populations
Author(s): Sean Fancher and Andrew MuglerCells that communicate with each other can measure chemical concentrations with higher precision if they spread out into a sparse configuration.[Phys. Rev. Lett. 118, 078101] Published Tue Feb 14, 2017
Transportable Optical Lattice Clock with 7×10^{−17} Uncertainty
Author(s): S. B. Koller, J. Grotti, St. Vogt, A. Al-Masoudi, S. Dörscher, S. Häfner, U. Sterr, and Ch. Lisdat
Transportable atomic clocks are now operating with fractional-frequency uncertainties below one part in 1016, opening up new applications.
[Phys. Rev. Lett. 118, 073601] Published Mon Feb 13, 2017
Transportable Optical Lattice Clock with 7×10^{−17} Uncertainty
Author(s): S. B. Koller, J. Grotti, St. Vogt, A. Al-Masoudi, S. Dörscher, S. Häfner, U. Sterr, and Ch. Lisdat
Transportable atomic clocks are now operating with fractional-frequency uncertainties below one part in 1016, opening up new applications.
[Phys. Rev. Lett. 118, 073601] Published Mon Feb 13, 2017
Formation and Destabilization of the Particle Band on the Fluid-Fluid Interface
Author(s): Jungchul Kim, Feng Xu, and Sungyon LeeNew experiments show that when a particle suspension is injected into oil, the particles congregate at the oil-suspension interface, causing it to destabilize.[Phys. Rev. Lett. 118, 074501] Published Mon…
Spin-Dependent Weakly-Interacting-Massive-Particle–Nucleon Cross Section Limits from First Data of PandaX-II Experiment
Author(s): Changbo Fu et al. (PandaX-II Collaboration)New data from the PandaX-II experiment in China improves the bounds on the spin-dependent cross-sections for WIMP dark matter by a factor of two.[Phys. Rev. Lett. 118, 071301] Published Mon Feb 13, …
Formation and Destabilization of the Particle Band on the Fluid-Fluid Interface
Author(s): Jungchul Kim, Feng Xu, and Sungyon LeeNew experiments show that when a particle suspension is injected into oil, the particles congregate at the oil-suspension interface, causing it to destabilize.[Phys. Rev. Lett. 118, 074501] Published Mon…
Spin-Dependent Weakly-Interacting-Massive-Particle–Nucleon Cross Section Limits from First Data of PandaX-II Experiment
Author(s): Changbo Fu et al. (PandaX-II Collaboration)New data from the PandaX-II experiment in China improves the bounds on the spin-dependent cross-sections for WIMP dark matter by a factor of two.[Phys. Rev. Lett. 118, 071301] Published Mon Feb 13, …
Odd-Integer Quantum Hall States and Giant Spin Susceptibility in p-Type Few-Layer WSe_{2}
Author(s): Shuigang Xu, Junying Shen, Gen Long, Zefei Wu, Zhi-qiang Bao, Cheng-Cheng Liu, Xiao Xiao, Tianyi Han, Jiangxiazi Lin, Yingying Wu, Huanhuan Lu, Jianqiang Hou, Liheng An, Yuanwei Wang, Yuan Cai, K. M. Ho, Yuheng He, Rolf Lortz, Fan Zhang, and Ning Wang
Transition metal dichalcogenides in a tilted magnetic field display unconventional quantum Hall transport phenomena, including a Zeeman energy that is almost three times as large as the cyclotron energy.
[Phys. Rev. Lett. 118, 067702] Published Fri Feb 10, 2017
Characterizing Neutron-Proton Equilibration in Nuclear Reactions with Subzeptosecond Resolution
Author(s): A. Jedele, A. B. McIntosh, K. Hagel, M. Huang, L. Heilborn, Z. Kohley, L. W. May, E. McCleskey, M. Youngs, A. Zarrella, and S. J. Yennello
The equilibration of nuclei containing a large imbalance of protons and neutrons can occur in 3×10−22 seconds, according to experiments—important information for models of element-creation in supernovae.
[Phys. Rev. Lett. 118, 062501] Published Fri Feb 10, 2017
Spin Polarization and Attosecond Time Delay in Photoemission from Spin Degenerate States of Solids
Author(s): Mauro Fanciulli, Henrieta Volfová, Stefan Muff, Jürgen Braun, Hubert Ebert, Jan Minár, Ulrich Heinzmann, and J. Hugo Dil
Time delay between photon entry and the resulting photoemission from a dispersive band of a solid is determined by measuring the spin polarization of the photoelectrons.
[Phys. Rev. Lett. 118, 067402] Published Fri Feb 10, 2017
Odd-Integer Quantum Hall States and Giant Spin Susceptibility in p-Type Few-Layer WSe_{2}
Author(s): Shuigang Xu, Junying Shen, Gen Long, Zefei Wu, Zhi-qiang Bao, Cheng-Cheng Liu, Xiao Xiao, Tianyi Han, Jiangxiazi Lin, Yingying Wu, Huanhuan Lu, Jianqiang Hou, Liheng An, Yuanwei Wang, Yuan Cai, K. M. Ho, Yuheng He, Rolf Lortz, Fan Zhang, and Ning Wang
Transition metal dichalcogenides in a tilted magnetic field display unconventional quantum Hall transport phenomena, including a Zeeman energy that is almost three times as large as the cyclotron energy.
[Phys. Rev. Lett. 118, 067702] Published Fri Feb 10, 2017
Spin Polarization and Attosecond Time Delay in Photoemission from Spin Degenerate States of Solids
Author(s): Mauro Fanciulli, Henrieta Volfová, Stefan Muff, Jürgen Braun, Hubert Ebert, Jan Minár, Ulrich Heinzmann, and J. Hugo Dil
Time delay between photon entry and the resulting photoemission from a dispersive band of a solid is determined by measuring the spin polarization of the photoelectrons.
[Phys. Rev. Lett. 118, 067402] Published Fri Feb 10, 2017
Characterizing Neutron-Proton Equilibration in Nuclear Reactions with Subzeptosecond Resolution
Author(s): A. Jedele, A. B. McIntosh, K. Hagel, M. Huang, L. Heilborn, Z. Kohley, L. W. May, E. McCleskey, M. Youngs, A. Zarrella, and S. J. Yennello
The equilibration of nuclei containing a large imbalance of protons and neutrons can occur in 3×10−22 seconds, according to experiments—important information for models of element-creation in supernovae.
[Phys. Rev. Lett. 118, 062501] Published Fri Feb 10, 2017
First Results from a Microwave Cavity Axion Search at 24 μeV
Author(s): B. M. Brubaker, L. Zhong, Y. V. Gurevich, S. B. Cahn, S. K. Lamoreaux, M. Simanovskaia, J. R. Root, S. M. Lewis, S. Al Kenany, K. M. Backes, I. Urdinaran, N. M. Rapidis, T. M. Shokair, K. A. van Bibber, D. A. Palken, M. Malnou, W. F. Kindel, M. A. Anil, K. W. Lehnert, and G. Carosi
A new detector has searched for hypothetical dark matter particles known as axions in a previously inaccessible mass range.
[Phys. Rev. Lett. 118, 061302] Published Thu Feb 09, 2017
Light-Mediated Cascaded Locking of Multiple Nano-Optomechanical Oscillators
Author(s): E. Gil-Santos, M. Labousse, C. Baker, A. Goetschy, W. Hease, C. Gomez, A. Lemaître, G. Leo, C. Ciuti, and I. Favero
Light traveling on a chip connects a chain of nanomechanical oscillators, synchronizing the frequency of their motion.
[Phys. Rev. Lett. 118, 063605] Published Thu Feb 09, 2017
First Results from a Microwave Cavity Axion Search at 24 μeV
Author(s): B. M. Brubaker, L. Zhong, Y. V. Gurevich, S. B. Cahn, S. K. Lamoreaux, M. Simanovskaia, J. R. Root, S. M. Lewis, S. Al Kenany, K. M. Backes, I. Urdinaran, N. M. Rapidis, T. M. Shokair, K. A. van Bibber, D. A. Palken, M. Malnou, W. F. Kindel, M. A. Anil, K. W. Lehnert, and G. Carosi
A new detector has searched for hypothetical dark matter particles known as axions in a previously inaccessible mass range.
[Phys. Rev. Lett. 118, 061302] Published Thu Feb 09, 2017
Light-Mediated Cascaded Locking of Multiple Nano-Optomechanical Oscillators
Author(s): E. Gil-Santos, M. Labousse, C. Baker, A. Goetschy, W. Hease, C. Gomez, A. Lemaître, G. Leo, C. Ciuti, and I. Favero
Light traveling on a chip connects a chain of nanomechanical oscillators, synchronizing the frequency of their motion.
[Phys. Rev. Lett. 118, 063605] Published Thu Feb 09, 2017
Process-Accessible States of Block Copolymers
Author(s): De-Wen Sun and Marcus Müller
Light could alter the chemistry of multicomponent polymers, allowing for the control of structures they form.
[Phys. Rev. Lett. 118, 067801] Published Wed Feb 08, 2017
Process-Accessible States of Block Copolymers
Author(s): De-Wen Sun and Marcus Müller
Light could alter the chemistry of multicomponent polymers, allowing for the control of structures they form.
[Phys. Rev. Lett. 118, 067801] Published Wed Feb 08, 2017
Cosmic Bell Test: Measurement Settings from Milky Way Stars
Author(s): Johannes Handsteiner, Andrew S. Friedman, Dominik Rauch, Jason Gallicchio, Bo Liu, Hannes Hosp, Johannes Kofler, David Bricher, Matthias Fink, Calvin Leung, Anthony Mark, Hien T. Nguyen, Isabella Sanders, Fabian Steinlechner, Rupert Ursin, Sören Wengerowsky, Alan H. Guth, David I. Kaiser, Thomas Scheidl, and Anton Zeilinger
Light from two stars in the Milky Way has been used to test an open loophole of quantum physics.
[Phys. Rev. Lett. 118, 060401] Published Tue Feb 07, 2017
Cosmic Bell Test: Measurement Settings from Milky Way Stars
Author(s): Johannes Handsteiner, Andrew S. Friedman, Dominik Rauch, Jason Gallicchio, Bo Liu, Hannes Hosp, Johannes Kofler, David Bricher, Matthias Fink, Calvin Leung, Anthony Mark, Hien T. Nguyen, Isabella Sanders, Fabian Steinlechner, Rupert Ursin, Sören Wengerowsky, Alan H. Guth, David I. Kaiser, Thomas Scheidl, and Anton Zeilinger
Light from two stars in the Milky Way has been used to test an open loophole of quantum physics.
[Phys. Rev. Lett. 118, 060401] Published Tue Feb 07, 2017
Poynting-Robertson-like Drag at the Sun’s Surface
Author(s): Ian Cunnyngham, Marcelo Emilio, Jeff Kuhn, Isabelle Scholl, and Rock Bush
Detailed solar observations and theory suggest that photons remove angular momentum from the Sun, explaining why the Sun’s surface spins more slowly than its core.
[Phys. Rev. Lett. 118, 051102] Published Fri Feb 03, 2017
Measurement of the b-Quark Production Cross Section in 7 and 13 TeV pp Collisions
Author(s): R. Aaij et al. (LHCb Collaboration)The cross-section for bottom quark production at 13 TeV, as measured by the LHCb Collaboration, differs from QCD predictions.[Phys. Rev. Lett. 118, 052002] Published Fri Feb 03, 2017
Poynting-Robertson-like Drag at the Sun’s Surface
Author(s): Ian Cunnyngham, Marcelo Emilio, Jeff Kuhn, Isabelle Scholl, and Rock Bush
Detailed solar observations and theory suggest that photons remove angular momentum from the Sun, explaining why the Sun’s surface spins more slowly than its core.
[Phys. Rev. Lett. 118, 051102] Published Fri Feb 03, 2017
Measurement of the b-Quark Production Cross Section in 7 and 13 TeV pp Collisions
Author(s): R. Aaij et al. (LHCb Collaboration)The cross-section for bottom quark production at 13 TeV, as measured by the LHCb Collaboration, differs from QCD predictions.[Phys. Rev. Lett. 118, 052002] Published Fri Feb 03, 2017
Quantum Performance of Thermal Machines over Many Cycles
Author(s): Gentaro Watanabe, B. Prasanna Venkatesh, Peter Talkner, and Adolfo del Campo
Theoretical calculations show that the performance of a quantum heat engine over several cycles can’t be judged by analyzing just a single cycle.
[Phys. Rev. Lett. 118, 050601] Published Thu Feb 02, 2017
Direct Observation of Spatiotemporal Dynamics of Short Electron Bunches in Storage Rings
Author(s): C. Evain, E. Roussel, M. Le Parquier, C. Szwaj, M.-A. Tordeux, J.-B. Brubach, L. Manceron, P. Roy, and S. BielawskiThe shape of various Terahertz radiation pulses used in synchrotrons is measured with picosecond resolution.[Phys. Rev. Lett. …
Two-Element Mixture of Bose and Fermi Superfluids
Author(s): Richard Roy, Alaina Green, Ryan Bowler, and Subhadeep GuptaA bosonic-fermionic superfluid mixture containing two different atomic species is reported for the first time. This system could be used to probe collective properties and the genera…
PT-Symmetric Real Dirac Fermions and Semimetals
Author(s): Y. X. Zhao and Y. Lu
Real monopole charges–generalizations of complex Weyl monopoles–are identified theoretically to have combined inversion and time-reversal symmetry. These charges could be realized in cold atom systems.
[Phys. Rev. Lett. 118, 056401] Published Thu Feb 02, 2017
Quantum Performance of Thermal Machines over Many Cycles
Author(s): Gentaro Watanabe, B. Prasanna Venkatesh, Peter Talkner, and Adolfo del Campo
Theoretical calculations show that the performance of a quantum heat engine over several cycles can’t be judged by analyzing just a single cycle.
[Phys. Rev. Lett. 118, 050601] Published Thu Feb 02, 2017
Direct Observation of Spatiotemporal Dynamics of Short Electron Bunches in Storage Rings
Author(s): C. Evain, E. Roussel, M. Le Parquier, C. Szwaj, M.-A. Tordeux, J.-B. Brubach, L. Manceron, P. Roy, and S. BielawskiThe shape of various Terahertz radiation pulses used in synchrotrons is measured with picosecond resolution.[Phys. Rev. Lett. …
Two-Element Mixture of Bose and Fermi Superfluids
Author(s): Richard Roy, Alaina Green, Ryan Bowler, and Subhadeep GuptaA bosonic-fermionic superfluid mixture containing two different atomic species is reported for the first time. This system could be used to probe collective properties and the genera…
PT-Symmetric Real Dirac Fermions and Semimetals
Author(s): Y. X. Zhao and Y. Lu
Real monopole charges–generalizations of complex Weyl monopoles–are identified theoretically to have combined inversion and time-reversal symmetry. These charges could be realized in cold atom systems.
[Phys. Rev. Lett. 118, 056401] Published Thu Feb 02, 2017
Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements
Author(s): Brian P. Williams, Ronald J. Sadlier, and Travis S. HumbleResearchers have demonstrated the fiber transmission of quantum information in which each quantum bit carries nearly two bits of classical information.[Phys. Rev. Lett. 118, 050501] P…
Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements
Author(s): Brian P. Williams, Ronald J. Sadlier, and Travis S. HumbleResearchers have demonstrated the fiber transmission of quantum information in which each quantum bit carries nearly two bits of classical information.[Phys. Rev. Lett. 118, 050501] P…
Realization of Translational Symmetry in Trapped Cold Ion Rings
Author(s): Hao-Kun Li, Erik Urban, Crystal Noel, Alexander Chuang, Yang Xia, Anthony Ransford, Boerge Hemmerling, Yuan Wang, Tongcang Li, Hartmut Häffner, and Xiang Zhang
40Ca+ ions in a ring are stabilized to a degree that individual particles can be accessed and controlled.
[Phys. Rev. Lett. 118, 053001] Published Tue Jan 31, 2017
Observation of Classical-Quantum Crossover of 1/f Flux Noise and Its Paramagnetic Temperature Dependence
Author(s): C. M. Quintana et al.
Measurements of the classical and quantum components of the flux noise in a superconducting qubit indicate that the noise has a paramagnetic origin.
[Phys. Rev. Lett. 118, 057702] Published Tue Jan 31, 2017
Direct Identification of Dilute Surface Spins on Al_{2} O_{3} : Origin of Flux Noise in Quantum Circuits
Author(s): S. E. de Graaf, A. A. Adamyan, T. Lindström, D. Erts, S. E. Kubatkin, A. Ya. Tzalenchuk, and A. V. Danilov
Electron-spin-resonance experiments identify surface electron spin noise as the source of flux noise in superconducting qubit circuits.
[Phys. Rev. Lett. 118, 057703] Published Tue Jan 31, 2017
Realization of Translational Symmetry in Trapped Cold Ion Rings
Author(s): Hao-Kun Li, Erik Urban, Crystal Noel, Alexander Chuang, Yang Xia, Anthony Ransford, Boerge Hemmerling, Yuan Wang, Tongcang Li, Hartmut Häffner, and Xiang Zhang
40Ca+ ions in a ring are stabilized to a degree that individual particles can be accessed and controlled.
[Phys. Rev. Lett. 118, 053001] Published Tue Jan 31, 2017
Observation of Classical-Quantum Crossover of 1/f Flux Noise and Its Paramagnetic Temperature Dependence
Author(s): C. M. Quintana et al.
Measurements of the classical and quantum components of the flux noise in a superconducting qubit indicate that the noise has a paramagnetic origin.
[Phys. Rev. Lett. 118, 057702] Published Tue Jan 31, 2017
Direct Identification of Dilute Surface Spins on Al_{2} O_{3} : Origin of Flux Noise in Quantum Circuits
Author(s): S. E. de Graaf, A. A. Adamyan, T. Lindström, D. Erts, S. E. Kubatkin, A. Ya. Tzalenchuk, and A. V. Danilov
Electron-spin-resonance experiments identify surface electron spin noise as the source of flux noise in superconducting qubit circuits.
[Phys. Rev. Lett. 118, 057703] Published Tue Jan 31, 2017
Sympathetic Ground State Cooling and Time-Dilation Shifts in an ^{27} Al^{+} Optical Clock
Author(s): J.-S. Chen, S. M. Brewer, C. W. Chou, D. J. Wineland, D. R. Leibrandt, and D. B. Hume
A novel method for cooling trapped ions could boost the accuracy of atomic clocks.
[Phys. Rev. Lett. 118, 053002] Published Mon Jan 30, 2017
Sympathetic Ground State Cooling and Time-Dilation Shifts in an ^{27} Al^{+} Optical Clock
Author(s): J.-S. Chen, S. M. Brewer, C. W. Chou, D. J. Wineland, D. R. Leibrandt, and D. B. Hume
A novel method for cooling trapped ions could boost the accuracy of atomic clocks.
[Phys. Rev. Lett. 118, 053002] Published Mon Jan 30, 2017
Weyl Exceptional Rings in a Three-Dimensional Dissipative Cold Atomic Gas
Author(s): Yong Xu, Sheng-Tao Wang, and L.-M. DuanA new topological gapless ring of nondegenerate states, characterized by both a quantized Chern number and a quantized Berry phase, is predicted to occur in 3D dissipative systems.[Phys. Rev. Lett. 118,…
Observation of Mode-Locked Spatial Laser Solitons
Author(s): F. Gustave, N. Radwell, C. McIntyre, J. P. Toomey, D. M. Kane, S. Barland, W. J. Firth, G.-L. Oppo, and T. Ackemann
The formation of stable spatiotemporal structures—solitons—is observed in a vertical-cavity surface-emitting laser.
[Phys. Rev. Lett. 118, 044102] Published Fri Jan 27, 2017
Half Layer By Half Layer Growth of a Blue Phosphorene Monolayer on a GaN(001) Substrate
Author(s): Jiang Zeng, Ping Cui, and Zhenyu ZhangFirst-principles calculations suggest a new kinetic pathway for growing either black or blue phosphorene monolayers on metallic and semiconducting substrates.[Phys. Rev. Lett. 118, 046101] Published Fri …
Flexural-Phonon Scattering Induced by Electrostatic Gating in Graphene
Author(s): Tue Gunst, Kristen Kaasbjerg, and Mads BrandbygePhonon scattering, in conjunction with the electrostatic and dielectric environments, can limit the transport performance of graphene devices.[Phys. Rev. Lett. 118, 046601] Published Fri Jan 27…
Vulnerability and Cosusceptibility Determine the Size of Network Cascades
Author(s): Yang Yang, Takashi Nishikawa, and Adilson E. MotterSpecific clusters within a network tend to fail consistently as part of large-scale network failures, such as those in electrical grids or airline transportation systems.[Phys. Rev. Lett. 11…
One-Dimensional Self-Organization and Nonequilibrium Phase Transition in a Hamiltonian System
Author(s): Jiao Wang and Giulio CasatiNonequilibrium phase transitions, known from 2D and 3D systems, are also demonstrated in 1D, with implications for transport in these systems.[Phys. Rev. Lett. 118, 040601] Published Fri Jan 27, 2017
Strange Quark Magnetic Moment of the Nucleon at the Physical Point
Author(s): Raza Sabbir Sufian, Yi-Bo Yang, Andrei Alexandru, Terrence Draper, Jian Liang, and Keh-Fei Liu (χQCD Collaboration)
The strange quark contribution to magnetic moment and charge radius is extracted from lattice simulations. These are the first such simulations to be carried out using the physical pion mass.
[Phys. Rev. Lett. 118, 042001] Published Fri Jan 27, 2017
Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic
Author(s): Peng Zhang, J.-Z. Ma, Y. Ishida, L.-X. Zhao, Q.-N. Xu, B.-Q. Lv, K. Yaji, G.-F. Chen, H.-M. Weng, X. Dai, Z. Fang, X.-Q. Chen, L. Fu, T. Qian, H. Ding, and S. ShinElectronic states that only exist on the surface and not in the bulk are predi…
Weyl Exceptional Rings in a Three-Dimensional Dissipative Cold Atomic Gas
Author(s): Yong Xu, Sheng-Tao Wang, and L.-M. DuanA new topological gapless ring of nondegenerate states, characterized by both a quantized Chern number and a quantized Berry phase, is predicted to occur in 3D dissipative systems.[Phys. Rev. Lett. 118,…
Strange Quark Magnetic Moment of the Nucleon at the Physical Point
Author(s): Raza Sabbir Sufian, Yi-Bo Yang, Andrei Alexandru, Terrence Draper, Jian Liang, and Keh-Fei Liu (χQCD Collaboration)
The strange quark contribution to magnetic moment and charge radius is extracted from lattice simulations. These are the first such simulations to be carried out using the physical pion mass.
[Phys. Rev. Lett. 118, 042001] Published Fri Jan 27, 2017
Flexural-Phonon Scattering Induced by Electrostatic Gating in Graphene
Author(s): Tue Gunst, Kristen Kaasbjerg, and Mads BrandbygePhonon scattering, in conjunction with the electrostatic and dielectric environments, can limit the transport performance of graphene devices.[Phys. Rev. Lett. 118, 046601] Published Fri Jan 27…
Observation of Mode-Locked Spatial Laser Solitons
Author(s): F. Gustave, N. Radwell, C. McIntyre, J. P. Toomey, D. M. Kane, S. Barland, W. J. Firth, G.-L. Oppo, and T. Ackemann
The formation of stable spatiotemporal structures—solitons—is observed in a vertical-cavity surface-emitting laser.
[Phys. Rev. Lett. 118, 044102] Published Fri Jan 27, 2017
Half Layer By Half Layer Growth of a Blue Phosphorene Monolayer on a GaN(001) Substrate
Author(s): Jiang Zeng, Ping Cui, and Zhenyu ZhangFirst-principles calculations suggest a new kinetic pathway for growing either black or blue phosphorene monolayers on metallic and semiconducting substrates.[Phys. Rev. Lett. 118, 046101] Published Fri …
Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic
Author(s): Peng Zhang, J.-Z. Ma, Y. Ishida, L.-X. Zhao, Q.-N. Xu, B.-Q. Lv, K. Yaji, G.-F. Chen, H.-M. Weng, X. Dai, Z. Fang, X.-Q. Chen, L. Fu, T. Qian, H. Ding, and S. ShinElectronic states that only exist on the surface and not in the bulk are predi…
One-Dimensional Self-Organization and Nonequilibrium Phase Transition in a Hamiltonian System
Author(s): Jiao Wang and Giulio CasatiNonequilibrium phase transitions, known from 2D and 3D systems, are also demonstrated in 1D, with implications for transport in these systems.[Phys. Rev. Lett. 118, 040601] Published Fri Jan 27, 2017
Vulnerability and Cosusceptibility Determine the Size of Network Cascades
Author(s): Yang Yang, Takashi Nishikawa, and Adilson E. MotterSpecific clusters within a network tend to fail consistently as part of large-scale network failures, such as those in electrical grids or airline transportation systems.[Phys. Rev. Lett. 11…
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
Lifetime Measurement of the ^{229} Th nuclear isomer
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