Elu, loodus, teadus ja tehnoloogia
Author(s): Johannes Floß, Andrei Kamalov, Ilya Sh. Averbukh, and Philip H. Bucksbaum
A type of quantum oscillation—known to occur for electrons in a crystal—has now been observed in a gas of molecular rotors that are spun around by laser pulses.
[Phys. Rev. Lett. 115, 203002] Published Wed Nov 11, 2015
Author(s): Freek Ruesink, Hugo M. Doeleman, Ruud Hendrikx, A. Femius Koenderink, and Ewold VerhagenThe resonant frequency of an optical cavity can be altered by the presence of a plasmonic nanoparticle.[Phys. Rev. Lett. 115, 203904] Published Wed Nov 1…
Author(s): Josef A. Weber, Andreas Bauer, Peter Böni, Hubert Ceeh, Stephen B. Dugdale, David Ernsting, Wolfgang Kreuzpaintner, Michael Leitner, Christian Pfleiderer, and Christoph Hugenschmidt
The Fermi surface of a prototypical Heusler compound is measured using spin-polarized positron annihilation.
[Phys. Rev. Lett. 115, 206404] Published Wed Nov 11, 2015
Author(s): Jeremy SaksteinAlternate theories of gravitation can be tested using the minimum mass required for hydrogen burning to occur in Red Dwarf stars.[Phys. Rev. Lett. 115, 201101] Published Tue Nov 10, 2015
Author(s): R. Rezvani Naraghi, S. Sukhov, J. J. Sáenz, and A. Dogariu
A new model for light scattering explains why an unexpected amount of light propagates through materials containing densely packed scattering objects.
[Phys. Rev. Lett. 115, 203903] Published Tue Nov 10, 2015
Author(s): T. Salditt, S. Hoffmann, M. Vassholz, J. Haber, M. Osterhoff, and J. HilhorstA tiny waveguide on a chip curves x rays like a fiber-optic cable and could lead to improved imaging on the molecular scale.[Phys. Rev. Lett. 115, 203902] Published…
Author(s): I. Mukha et al.Two newly discovered unbound isotopes 30Ar and 29Cl violate isobaric symmetry, a symmetry among nuclei with the same mass number.[Phys. Rev. Lett. 115, 202501] Published Mon Nov 09, 2015
Author(s): Igor Yulevich, Elhanan Maguid, Nir Shitrit, Dekel Veksler, Vladimir Kleiner, and Erez HasmanQuasi-crystalline metallic metasurfaces containing mis-orientated patterns of voids can be designed so that left- and right-handed polarized light is…
Author(s): A. V. Bednyakov, B. A. Kniehl, A. F. Pikelner, and O. L. Veretin
The probability that the Universe exists in a stable state may be greater than previously thought.
[Phys. Rev. Lett. 115, 201802] Published Mon Nov 09, 2015
Author(s): G. Vampa, T. J. Hammond, N. Thiré, B. E. Schmidt, F. Légaré, C. R. McDonald, T. Brabec, D. D. Klug, and P. B. Corkum
An all-optical alternative to photoemission spectroscopy can probe the electronic band structure of a solid.
[Phys. Rev. Lett. 115, 193603] Published Thu Nov 05, 2015
Author(s): Yu Ye, Gabriele Chiogna, Olaf A. Cirpka, Peter Grathwohl, and Massimo Rolle
Liquids can follow twisted paths when flowing through porous media.
[Phys. Rev. Lett. 115, 194502] Published Wed Nov 04, 2015
Author(s): J. C. López Carreño, C. Sánchez Muñoz, D. Sanvitto, E. del Valle, and F. P. Laussy
Pure quantum states could be generated in polaritonic systems by exciting them with a quantum light source rather than a laser.
[Phys. Rev. Lett. 115, 196402] Published Wed Nov 04, 2015
Author(s): Seth Root, Luke Shulenburger, Raymond W. Lemke, Daniel H. Dolan, Thomas R. Mattsson, and Michael P. Desjarlais
Shock compression experiments performed on Sandia National Laboratories’ Z-Machine along with theoretical simulations provide information on the phase boundaries of magnesium oxide at temperatures and pressures relevant to planetary impacts, such as the formation of Earth’s moon.
[Phys. Rev. Lett. 115, 198501] Published Wed Nov 04, 2015
Author(s): Carlos Hernández-Monteagudo, Yin-Zhe Ma, Francisco S. Kitaura, Wenting Wang, Ricardo Génova-Santos, Juan Macías-Pérez, and Diego Herranz
Analysis of Planck measurements of the cosmic microwave background provides evidence that many of the baryons expected to exist in the Universe, but not detected in stars, are in the gas around the Central Galaxies identified in the Sloan galaxy survey.
[Phys. Rev. Lett. 115, 191301] Published Tue Nov 03, 2015
Author(s): H. M. Price, O. Zilberberg, T. Ozawa, I. Carusotto, and N. Goldman
Cold atoms in an optical lattice with a synthetic extra dimension could be used to see the 4D version of the quantum Hall effect.
[Phys. Rev. Lett. 115, 195303] Published Tue Nov 03, 2015
Author(s): T. B. Batalhão, A. M. Souza, R. S. Sarthour, I. S. Oliveira, M. Paternostro, E. Lutz, and R. M. Serra
Entropy production, a quantity associated with the emergence of the arrow of time, has been successfully measured in a microscopic quantum system.
[Phys. Rev. Lett. 115, 190601] Published Mon Nov 02, 2015
Author(s): Hou Shun Poh, Siddarth K. Joshi, Alessandro Cerè, Adán Cabello, and Christian Kurtsiefer
Measurements of the correlation between pairs of photons provide the tightest test of local realism to date, with an order of magnitude reduction in the uncertainty compared with previous experiments.
[Phys. Rev. Lett. 115, 180408] Published Fri Oct 30, 2015
Author(s): Sébastien Moulinet and Mokhtar Adda-Bedia
A balloon with low internal pressure bursts through the growth of a single crack, but above a critical pressure, it breaks apart from multiple cracks.
[Phys. Rev. Lett. 115, 184301] Published Fri Oct 30, 2015
Author(s): A. Berger, R. Alcaraz de la Osa, A. K. Suszka, M. Pancaldi, J. M. Saiz, F. Moreno, H. P. Oepen, and P. Vavassori
Ferromagnetic nanodiscs can exhibit an enhancement, of more than 100%, in their magneto-optical activity. This effect could be used in nano-optical devices for communications, energy harvesting, and biosensors.
[Phys. Rev. Lett. 115, 187403] Published Fri Oct 30, 2015
Author(s): M. Kachelrieß, A. Neronov, and D. V. Semikoz
Several puzzling features in cosmic ray spectra might be explained by a nearby supernova two million years ago. The same explosion may be the source of iron isotopes on Earth.
[Phys. Rev. Lett. 115, 181103] Published Thu Oct 29, 2015
Author(s): T. Laurent, Y. Todorov, A. Vasanelli, A. Delteil, C. Sirtori, I. Sagnes, and G. Beaudoin
A “Schrödinger’s cat”-type effect entangles collective excitations in a semiconductor nanostructure, making a new infrared light source.
[Phys. Rev. Lett. 115, 187402] Published Thu Oct 29, 2015
Author(s): Weikai Qi, Yi Peng, Yilong Han, Richard K. Bowles, and Marjolein Dijkstra
Molecular dynamics simulations suggests that a solid-solid phase transition in a system of hard spheres takes place via an intermediate liquid stage. The solid ‘melts’ forming a liquid droplet, within which the new stable solid phase nucleates and begins to grow.
[Phys. Rev. Lett. 115, 185701] Published Thu Oct 29, 2015
Author(s): Myung-Joong Hwang, Ricardo Puebla, and Martin B. PlenioA two-level atom coupled to a single-mode cavity field is shown to undergo a second order quantum phase transition when the atomic transition frequency is much larger than the cavity fre…
Author(s): Alessandro Lucantonio, Giovanni Noselli, Xavier Trepat, Antonio DeSimone, and Marino ArroyoA combination of brittle and porous materials fractures under opposite conditions to conventional brittle materials.[Phys. Rev. Lett. 115, 188105] Pub…
Author(s): Katsuhiko Sato, Tetsuya Hiraiwa, and Tatsuo ShibataA model of cell migration shows how cell chirality can lead to unidirectional motion of a group of cells.[Phys. Rev. Lett. 115, 188102] Published Tue Oct 27, 2015
Author(s): Pedro SchwallerA first order phase transition in the early Universe is shown to be generic to a large class of composite dark matter models. This phase transition may result in detectable gravitational wave signals.[Phys. Rev. Lett. 115, 181…
Author(s): Y. K. Wu, J. Yan, H. Hao, J. Y. Li, S. F. Mikhailov, V. G. Popov, N. A. Vinokurov, S. Huang, and J. Wu
A two color free electron laser with simultaneous infrared and ultraviolet lasing is demonstrated using the electron storage ring at Duke University.
[Phys. Rev. Lett. 115, 184801] Published Mon Oct 26, 2015
Author(s): T. Appelquist, E. Berkowitz, R. C. Brower, M. I. Buchoff, G. T. Fleming, X.-Y. Jin, J. Kiskis, G. D. Kribs, E. T. Neil, J. C. Osborn, C. Rebbi, E. Rinaldi, D. Schaich, C. Schroeder, S. Syritsyn, P. Vranas, E. Weinberg, and O. Witzel (Lattice Strong Dynamics (LSD) Collaboration)
Lattice gauge theory computations provide bounds on detecting composite dark matter in direct detection experiments.
[Phys. Rev. Lett. 115, 171803] Published Fri Oct 23, 2015
Author(s): Timothy Cohen, Mariangela Lisanti, and Hou Keong Lou
Models of dark matter that include dark-sector particles with strong coupling could have evaded LHC searches due to jets of strongly interacting particles that mask their “missing energy” signatures.
[Phys. Rev. Lett. 115, 171804] Published Fri Oct 23, 2015
Author(s): R. Y. Chen, Z. G. Chen, X.-Y. Song, J. A. Schneeloch, G. D. Gu, F. Wang, and N. L. Wang
Signatures of massless Dirac fermions have been observed in a new candidate three-dimensional Dirac semimetal.
[Phys. Rev. Lett. 115, 176404] Published Thu Oct 22, 2015
Author(s): Zach Evenson, Beatrice Ruta, Simon Hechler, Moritz Stolpe, Eloi Pineda, Isabella Gallino, and Ralf BuschAging in metallic glasses occurs via intermittent rearrangements of the atoms and is not a steady, continuous process as previously thoug…
Author(s): A. Lubk, A. Béché, and J. Verbeeck
A commercial electron microscope is reconfigured to image crystalline strain and variations in electric and magnetic fields within a material.
[Phys. Rev. Lett. 115, 176101] Published Tue Oct 20, 2015
Author(s): Diana Y. Qiu, Ting Cao, and Steven G. LouieAn ab-initio calculation shows that excitons in a monolayer of the transition metal dichalcogenide MoS2 exhibit an unusual low-energy dispersion pattern.[Phys. Rev. Lett. 115, 176801] Published Tue …
Author(s): L. Vidmar, J. P. Ronzheimer, M. Schreiber, S. Braun, S. S. Hodgman, S. Langer, F. Heidrich-Meisner, I. Bloch, and U. Schneider
The spontaneous emergence of long-range quantum order, normally the preserve of low-temperature equilibrium states, has been observed in an expanding cloud of potassium atoms.
[Phys. Rev. Lett. 115, 175301] Published Mon Oct 19, 2015
Author(s): Keith T. K. Loebner, Thomas C. Underwood, and Mark A. Cappelli
Magnetohydrodynamic ionization waves generated by pulsed currents in a Lorentz force plasma accelerator mimic the behavior of classical combustion-driven shocks.
[Phys. Rev. Lett. 115, 175001] Published Mon Oct 19, 2015
Author(s): T. F. Watson, B. Weber, M. G. House, H. Büch, and M. Y. Simmons
Fast and accurate spin qubit readout is achieved by increasing the tunneling rate of an electron between a single electron transition and a nearby charge sensor.
[Phys. Rev. Lett. 115, 166806] Published Fri Oct 16, 2015
Author(s): S. Afach et al.A new technique borrows a trick from MRI scanners to make precise magnetic measurements with cold neutrons.[Phys. Rev. Lett. 115, 162502] Published Fri Oct 16, 2015
Author(s): Václav Potoček, Filippo M. Miatto, Mohammad Mirhosseini, Omar S. Magaña-Loaiza, Andreas C. Liapis, Daniel K. L. Oi, Robert W. Boyd, and John Jeffers
An optical experiment realizes one of the room-changing operations in the Hilbert Hotel—a fictitious establishment that illustrates some perplexing properties of infinity.
[Phys. Rev. Lett. 115, 160505] Published Thu Oct 15, 2015
Author(s): Chao Wang, Xiao-Tian Song, Zhen-Qiang Yin, Shuang Wang, Wei Chen, Chun-Mei Zhang, Guang-Can Guo, and Zheng-Fu HanMeasurement-device-independent quantum key distribution (MDI-QKD) is achieved without the two parties having aligned reference f…
Author(s): A. Boyarsky, J. Franse, D. Iakubovskyi, and O. RuchayskiyAn x-ray line observed in the spectra of the Milky Way center is consistent with similar lines detected in other galaxies. The origin of this line is unknown, but its energy fits with …
Author(s): B. A. Knyazev, Yu. Yu. Choporova, M. S. Mitkov, V. S. Pavelyev, and B. O. Volodkin
Terahertz surface plasmons are realized experimentally via diffraction of a vortex beam from a metal-dielectric interface.
[Phys. Rev. Lett. 115, 163901] Published Wed Oct 14, 2015
Author(s): M. K. Jawed, N. K. Khouri, F. Da, E. Grinspun, and P. M. Reis
Experiments with rotating elastic rods mimic the behavior of swimming bacteria, showing how their tails buckle above a certain rotation speed.
[Phys. Rev. Lett. 115, 168101] Published Tue Oct 13, 2015
Author(s): C. Rössler, D. Oehri, O. Zilberberg, G. Blatter, M. Karalic, J. Pijnenburg, A. Hofmann, T. Ihn, K. Ensslin, C. Reichl, and W. Wegscheider
A quantum dot can form a mesoscopic quantum state together with the electrons of a cavity in which the dot is embedded.
[Phys. Rev. Lett. 115, 166603] Published Mon Oct 12, 2015
Author(s): Matteo Lostaglio, Markus P. Müller, and Michele Pastena
Microscopic engines, even if operated far from equilibrium, could negate thermal fluctuations by creating correlations between initially uncorrelated systems. This would allow the engines to extract as much work as their reversible macroscopic counterparts and do so reliably.
[Phys. Rev. Lett. 115, 150402] Published Fri Oct 09, 2015
Author(s): Farshid Jafarpour, Tommaso Biancalani, and Nigel GoldenfeldThe preferred handedness of biomolecules may be the result of noisy chemical fluctuations, according to a new theory.[Phys. Rev. Lett. 115, 158101] Published Thu Oct 08, 2015
Author(s): B. K. Kendrick, Jisha Hazra, and N. Balakrishnan
Hydrogen exchange reactions can be turned on and off by geometric phase effects at temperatures well below one Kelvin.
[Phys. Rev. Lett. 115, 153201] Published Thu Oct 08, 2015
Author(s): Martin Hofmann, Robert Anderssohn, Hans-Achim Bahr, Hans-Jürgen Weiß, and Jens Nellesen
A new model explains why cracks in cooling lava tend to form hexagonal patterns.
[Phys. Rev. Lett. 115, 154301] Published Wed Oct 07, 2015
Author(s): Martin Hofmann, Robert Anderssohn, Hans-Achim Bahr, Hans-Jürgen Weiß, and Jens Nellesen
A new model explains why cracks in cooling lava tend to form hexagonal patterns.
[Phys. Rev. Lett. 115, 154301] Published Wed Oct 07, 2015
Author(s): Jeongmin Kim and Bong June SungThe diffusion of a particle-laden fluid around a tracer particle strongly depends on how closely matched the tracer and fluid particles are in shape.[Phys. Rev. Lett. 115, 158302] Published Wed Oct 07, 2015
Author(s): A. B. Young, A. C. T. Thijssen, D. M. Beggs, P. Androvitsaneas, L. Kuipers, J. G. Rarity, S. Hughes, and R. Oulton
Entangled states of spin orientation and directional photons could be created by carefully placing of a quantum dot in a photonic crystal waveguide.
[Phys. Rev. Lett. 115, 153901] Published Tue Oct 06, 2015
Author(s): A. B. Young, A. C. T. Thijssen, D. M. Beggs, P. Androvitsaneas, L. Kuipers, J. G. Rarity, S. Hughes, and R. Oulton
Entangled states of spin orientation and directional photons could be created by carefully placing of a quantum dot in a photonic crystal waveguide.
[Phys. Rev. Lett. 115, 153901] Published Tue Oct 06, 2015
Author(s): Manuchehr Aminian, Francesca Bernardi, Roberto Camassa, and Richard M. McLaughlin
Calculations of the motion of particles carried by a fluid flowing through a pipe find a surprising effect of the pipe’s shape.
[Phys. Rev. Lett. 115, 154503] Published Mon Oct 05, 2015
Author(s): Manuchehr Aminian, Francesca Bernardi, Roberto Camassa, and Richard M. McLaughlin
Calculations of the motion of particles carried by a fluid flowing through a pipe find a surprising effect of the pipe’s shape.
[Phys. Rev. Lett. 115, 154503] Published Mon Oct 05, 2015
Author(s): Logan W. Clark, Li-Chung Ha, Chen-Yu Xu, and Cheng Chin
Optical pulses—tuned to a magic wavelength—provide both spatial and temporal control over the interactions between atoms in an ultracold gas.
[Phys. Rev. Lett. 115, 155301] Published Mon Oct 05, 2015
Author(s): Logan W. Clark, Li-Chung Ha, Chen-Yu Xu, and Cheng Chin
Optical pulses—tuned to a magic wavelength—provide both spatial and temporal control over the interactions between atoms in an ultracold gas.
[Phys. Rev. Lett. 115, 155301] Published Mon Oct 05, 2015
Author(s): Davide Gerosa, Michael Kesden, Richard O’Shaughnessy, Antoine Klein, Emanuele Berti, Ulrich Sperhake, and Daniele Trifirò
Black hole binaries with oppositely aligned spins can be unstable. This instability allows significant spin precession prior to the merger producing detectable gravitational-wave signatures.
[Phys. Rev. Lett. 115, 141102] Published Fri Oct 02, 2015
Author(s): Srikanth Toppaladoddi and J. S. Wettlaufer
A new solution to an old equation will make it easier to model the evolution of sea-ice thickness.
[Phys. Rev. Lett. 115, 148501] Published Fri Oct 02, 2015
Author(s): Martin A. Finger, Timur Sh. Iskhakov, Nicolas Y. Joly, Maria V. Chekhova, and Philip St. J. Russell
An optical-fiber scheme generates a bright “twin beam”—a pair of quantum-correlated beams that could be used in high-precision metrology.
[Phys. Rev. Lett. 115, 143602] Published Wed Sep 30, 2015
Author(s): Sebastian Gooßen, Margarita Krutyeva, Melissa Sharp, Artem Feoktystov, Jürgen Allgaier, Wim Pyckhout-Hintzen, Andreas Wischnewski, and Dieter Richter
Ring-shaped polymers have been used to detect a theoretical tube that restricts the motion of molten polymer chains.
[Phys. Rev. Lett. 115, 148302] Published Mon Sep 28, 2015
Author(s): D. Di Castro, C. Cantoni, F. Ridolfi, C. Aruta, A. Tebano, N. Yang, and G. BalestrinoCaCuO2/SrTiO3 heterostructures show interface superconductivity at 40K due to extra oxygen ions in the interface Ca plane, which act as doping holes.[Phys. …
Author(s): A. Adare et al. (PHENIX Collaboration)Particle correlations in 3He+Au collisions suggest that a low-viscosity quark-gluon plasma forms in collisions using light projectiles.[Phys. Rev. Lett. 115, 142301] Published Mon Sep 28, 2015
Author(s): Johannes Knolle and Nigel R. CooperThe Fermi surface of a metal is typically detected via quantum oscillations of its thermodynamic properties in response to a changing applied magnetic field. A microscopic model shows that these oscillation…
Author(s): Z. Abelson, R. Gad, S. Bar-Ad, and A. FisherMicrowaves can propogate in a cold magnetized plasma without being diffracted for certain magnetic field strengths and electron densities.[Phys. Rev. Lett. 115, 143901] Published Mon Sep 28, 2015
Author(s): Jeongwan Jin, Erhan Saglamyurek, Marcel. lí Grimau Puigibert, Varun Verma, Francesco Marsili, Sae Woo Nam, Daniel Oblak, and Wolfgang Tittel
The storage and retrieval of polarization qubits encoded into photons is demonstrated using erbium-doped fiber optics.
[Phys. Rev. Lett. 115, 140501] Published Mon Sep 28, 2015
Author(s): R. Chisnell, J. S. Helton, D. E. Freedman, D. K. Singh, R. I. Bewley, D. G. Nocera, and Y. S. Lee
Experimental evidence is presented for a topological magnon insulator, a material where magnetic excitations (magnons) are protected from scattering by the properties of the material.
[Phys. Rev. Lett. 115, 147201] Published Mon Sep 28, 2015
Author(s): Tingxin Li, Pengjie Wang, Hailong Fu, Lingjie Du, Kate A. Schreiber, Xiaoyang Mu, Xiaoxue Liu, Gerard Sullivan, Gábor A. Csáthy, Xi Lin, and Rui-Rui Du
Strong electron-electron interactions are observed in one dimensional InAs/GaSb quantum spin Hall insulators.
[Phys. Rev. Lett. 115, 136804] Published Fri Sep 25, 2015
Author(s): Rui Chen, Xiang Liu, Xue-Qian Li, and Shi-Lin ZhuThe pentaquarks discovered by the LHCb Collaboration could be molecular bound states of a charmed baryon and a meson. Observing the predicted isospin partners would allow for this interpretati…
Author(s): Matthew Yankowitz, Devin McKenzie, and Brian J. LeRoyTunneling spectroscopy exhibits suppression of intervalley electronic scattering in the valence band of a monolayer of the transition metal dichalcogenide WSe2.[Phys. Rev. Lett. 115, 13680…
Author(s): Long Li, Jingwen Mo, and Zhigang Li
An array of nanochannels—made from a mixture of hydrophobic and hydrophilic materials—acts as a one-way diode for fluids.
[Phys. Rev. Lett. 115, 134503] Published Thu Sep 24, 2015
Author(s): Paul Jansen, Luca Semeria, Laura Esteban Hofer, Simon Scheidegger, Josef A. Agner, Hansjürg Schmutz, and Frédéric Merkt
The experimental accuracy needed to reveal quantum-electrodynamics corrections in a three-electron molecule is achieved. These measurements represent a benchmark and test for future ab initio calculations.
[Phys. Rev. Lett. 115, 133202] Published Wed Sep 23, 2015
Author(s): James R. Kermode, Anna Gleizer, Guy Kovel, Lars Pastewka, Gábor Csányi, Dov Sherman, and Alessandro De Vita
A thermally activated fracture process can occur in silicon without bonds breaking at the crack tip. For such a process cracks can propagate at speeds well below 2000 ms^{-1}, which were previously thought to be ‘forbidden’.
[Phys. Rev. Lett. 115, 135501] Published Wed Sep 23, 2015
Author(s): Marko Cetina, Michael Jag, Rianne S. Lous, Jook T. M. Walraven, Rudolf Grimm, Rasmus S. Christensen, and Georg M. Bruun
The superposition of internal states of impurity atoms in a strongly interacting Fermi gas decohere an order of magnitude faster than predictions that assume this process occurs via quasiparticle scattering.
[Phys. Rev. Lett. 115, 135302] Published Tue Sep 22, 2015
Author(s): Reinier W. Heeres, Brian Vlastakis, Eric Holland, Stefan Krastanov, Victor V. Albert, Luigi Frunzio, Liang Jiang, and Robert J. SchoelkopfA new quantum gate can control the phase of a quantum state and create a high fidelity single photon Fo…
Author(s): M. Lucchini, L. Castiglioni, L. Kasmi, P. Kliuiev, A. Ludwig, M. Greif, J. Osterwalder, M. Hengsberger, L. Gallmann, and U. KellerThe angular dependence of photoemission from a copper surface, irradiated with an infra-red light pulse, is wel…
Author(s): Ren Zhang, Yanting Cheng, Hui Zhai, and Peng ZhangA scheme is proposed to realize a new type of Feshbach resonance between two atoms with different orbital and nuclear spin quantum numbers.[Phys. Rev. Lett. 115, 135301] Published Mon Sep 21,…
Author(s): M. S. Nevius, M. Conrad, F. Wang, A. Celis, M. N. Nair, A. Taleb-Ibrahimi, A. Tejeda, and E. H. Conrad
Researchers have engineered a large energy band gap in a graphene layer grown on a silicon carbide substrate.
[Phys. Rev. Lett. 115, 136802] Published Mon Sep 21, 2015
Author(s): Kiyoshi Wesley Masui and Kris SigurdsonAnalysis of radio pulses from very distant objects may offer a new way to map the Universe.[Phys. Rev. Lett. 115, 121301] Published Fri Sep 18, 2015
Author(s): N. Agafonova et al. (OPERA Collaboration)
OPERA experiment crosses “5 sigma” threshold for detection of muon neutrinos turning into tau neutrinos.
[Phys. Rev. Lett. 115, 121802] Published Thu Sep 17, 2015
Author(s): Enej Ilievski, Marko Medenjak, and Tomaž Prosen
A set of conserved operators is uncovered for an interacting spin model that allows a consistent quantum thermodynamical description of these interacting systems via its generalized Gibbs ensemble.
[Phys. Rev. Lett. 115, 120601] Published Wed Sep 16, 2015
Author(s): Steve M. Young and Charles L. KaneTheorists identify two-dimensional crystal structures that could host Dirac electrons similar to those observed in graphene.[Phys. Rev. Lett. 115, 126803] Published Wed Sep 16, 2015
Author(s): Sean A. Hartnoll and Edward A. MazencThe entropy of entanglement of a simple two dimensional model of quantum gravity is calculated by reducing the computation to an analysis of free fermions in one spatial dimension.[Phys. Rev. Lett. 115, 1…
Author(s): Young-Mi Bahk, Bong Joo Kang, Yong Seung Kim, Joon-Yeon Kim, Won Tae Kim, Tae Yun Kim, Taehee Kang, Jiyeah Rhie, Sanghoon Han, Cheol-Hwan Park, Fabian Rotermund, and Dai-Sik Kim
A 97% decrease in the normalized transmission of THz pulses is observed through subwavelength openings in van der Waals materials —- layered 2D materials with graphene-like properties.
[Phys. Rev. Lett. 115, 125501] Published Wed Sep 16, 2015
Author(s): M. F. Maghrebi, M. J. Gullans, P. Bienias, S. Choi, I. Martin, O. Firstenberg, M. D. Lukin, H. P. Büchler, and A. V. Gorshkov
Rydberg atoms can be used to mediate an effective Coulomb interaction between photons, according to this theoretical proposal.
[Phys. Rev. Lett. 115, 123601] Published Wed Sep 16, 2015
Author(s): Alexey Chernikov, Arend M. van der Zande, Heather M. Hill, Albert F. Rigosi, Ajanth Velauthapillai, James Hone, and Tony F. HeinzAn externally applied voltage in a transistor device can continuously tune the binding energy of excitons in mon…
Author(s): Yang Feng, Xiao Feng, Yunbo Ou, Jing Wang, Chang Liu, Liguo Zhang, Dongyang Zhao, Gaoyuan Jiang, Shou-Cheng Zhang, Ke He, Xucun Ma, Qi-Kun Xue, and Yayu WangConductivity features of thin film topological insulators suggest a profound differe…
Author(s): F. Giacco, L. Saggese, L. de Arcangelis, E. Lippiello, and M. Pica CiamarraAcoustic waves spontaneously appear inside a simulated fault right before it begins to slip.[Phys. Rev. Lett. 115, 128001] Published Tue Sep 15, 2015
Author(s): T. W. Larsen, K. D. Petersson, F. Kuemmeth, T. S. Jespersen, P. Krogstrup, J. Nygård, and C. M. Marcus
A qubit made of a semiconducting nanowire sandwiched between two superconductors could simplify the design of quantum information processing architectures.
[Phys. Rev. Lett. 115, 127001] Published Mon Sep 14, 2015
Author(s): G. de Lange, B. van Heck, A. Bruno, D. J. van Woerkom, A. Geresdi, S. R. Plissard, E. P. A. M. Bakkers, A. R. Akhmerov, and L. DiCarlo
A qubit made of a semiconducting nanowire sandwiched between two superconductors could simplify the design of quantum information processing architectures.
[Phys. Rev. Lett. 115, 127002] Published Mon Sep 14, 2015
Author(s): F. P. An et al. (Daya Bay Collaboration)
Antineutrino oscillation data from the fully constructed Day Bay Reactor Neutrino experiment improves the precision of the smallest of the three neutrino mixing angles by a factor of two.
[Phys. Rev. Lett. 115, 111802] Published Fri Sep 11, 2015
Author(s): M. Ablikim et al. (BESIII Collaboration)
The neutral partner of the four-quark state Zc(3900)+− is observed in electron-positron collisions by the BESIII Collaboration.
[Phys. Rev. Lett. 115, 112003] Published Fri Sep 11, 2015
Author(s): M. K. Jawed, P. Dieleman, B. Audoly, and P. M. Reis
Knots tied with stiff wire have a simplified geometry that reveals the relationship between the configuration of a knot and the forces within it.
[Phys. Rev. Lett. 115, 118302] Published Fri Sep 11, 2015
Author(s): R. Aaij et al. (LHCb Collaboration)
The decay of B mesons into τ leptons is 2.1 standard deviations greater than the Standard Model prediction, according to measurements by the LHCb Collaboration. This agrees with a previous measurement of the BABAR Collaboration.
[Phys. Rev. Lett. 115, 111803] Published Wed Sep 09, 2015
Author(s): Madhab Neupane, Su-Yang Xu, Yukiaki Ishida, Shuang Jia, Benjamin M. Fregoso, Chang Liu, Ilya Belopolski, Guang Bian, Nasser Alidoust, Tomasz Durakiewicz, Victor Galitski, Shik Shin, Robert J. Cava, and M. Zahid HasanExceptionally long-lived …
Author(s): D. Johann, D. Goswami, and K. KruseCross-linkers and molecular motors are behind the stable overlap of antiparallel microtubule regions that form during, and are needed for, successful cell division.[Phys. Rev. Lett. 115, 118103] Published W…
Author(s): David Gauthier, Primož Rebernik Ribič, Giovanni De Ninno, Enrico Allaria, Paolo Cinquegrana, Miltcho Bojanov Danailov, Alexander Demidovich, Eugenio Ferrari, Luca Giannessi, Benoît Mahieu, and Giuseppe Penco
A free-electron laser can be precisely controlled to produce temporally patterned pulses of ultraviolet light.
[Phys. Rev. Lett. 115, 114801] Published Tue Sep 08, 2015
Author(s): Sheldon Goldstein, David A. Huse, Joel L. Lebowitz, and Roderich TumulkaThermal equilibrium can be indicated macroscopically by spatially uniform temperature and chemical potentials, but also by a microscopic property emerging from quantum e…
Author(s): David W. Zhou, David D. Mowrey, Pei Tang, and Yan Xu
A computer model of a network of neurons shows that a sudden breakdown in the net’s ability to transmit information mimics the brain wave changes that accompany anesthesia.
[Phys. Rev. Lett. 115, 108103] Published Fri Sep 04, 2015
Author(s): Samuel Lara-Avila, Sergey Kubatkin, Oleksiy Kashuba, Joshua A. Folk, Silvia Lüscher, Rositza Yakimova, T. J. B. M. Janssen, Alexander Tzalenchuk, and Vladimir Fal’ko
A moderate in-plane magnetic field can reduce spin-related decoherence in epitaxial graphene.
[Phys. Rev. Lett. 115, 106602] Published Thu Sep 03, 2015
Author(s): P. Jurcevic, P. Hauke, C. Maier, C. Hempel, B. P. Lanyon, R. Blatt, and C. F. Roos
The collective excitations of a quantum many-body system of trapped ions is characterized in a new spectroscopic technique that probes the eigenmodes of the system. The technique allows the excited quasiparticles to be individually manipulated and measured.
[Phys. Rev. Lett. 115, 100501] Published Tue Sep 01, 2015
Author(s): Qiaoxuan Zhang, Paul J. Ackerman, Qingkun Liu, and Ivan I. SmalyukhNontrivial topological modulations, including skyrmions and knots, are observed in the magnetic field configurations of poly and monodomain chiral ferromagnetic liquid crysta…