Elu, loodus, teadus ja tehnoloogia
Author(s): Benjamin Pingault, Jonas N. Becker, Carsten H. H. Schulte, Carsten Arend, Christian Hepp, Tillmann Godde, Alexander I. Tartakovskii, Matthew Markham, Christoph Becher, and Mete Atatüre
The spin on a silicon defect in diamond can be prepared in a coherent quantum state, a promising sign that it could encode information in a quantum internet.
[Phys. Rev. Lett. 113, 263601] Published Mon Dec 22, 2014
Author(s): Lachlan J. Rogers, Kay D. Jahnke, Mathias H. Metsch, Alp Sipahigil, Jan M. Binder, Tokuyuki Teraji, Hitoshi Sumiya, Junichi Isoya, Mikhail D. Lukin, Philip Hemmer, and Fedor Jelezko The spin on a silicon defect in diamond can be prepared i…
Author(s): P. Scarlino, E. Kawakami, P. Stano, M. Shafiei, C. Reichl, W. Wegscheider, and L. M. K. Vandersypen
The electron spin-relaxation time of a quantum dot can be controlled by varying the orientation of an externally applied magnetic field.
[Phys. Rev. Lett. 113, 256802] Published Fri Dec 19, 2014
Author(s): Augusto J. Roncaglia, Federico Cerisola, and Juan Pablo Paz A new method of measuring work in a quantum-mechanical setting provides a way to evaluate the thermodynamics of small, fluctuating systems.[Phys. Rev. Lett. 113, 250601] Published …
Author(s): Mateus Araújo, Fabio Costa, and Časlav Brukner
Proposal to allow the order in which quantum gates are performed to be switched around, which could result in more powerful quantum computers.
[Phys. Rev. Lett. 113, 250402] Published Thu Dec 18, 2014
Author(s): Alexandre Laurain, Maik Scheller, and Pavel Polynkin A scheme using two pump wavelengths in the infrared and ultraviolet produces more efficient laserlike emission in air, which could benefit remote sensing applications.[Phys. Rev. Lett. 11…
Author(s): A. Boyarsky, O. Ruchayskiy, D. Iakubovskyi, and J. Franse An x-ray feature recently detected by different astronomy groups may be the long-awaited signature of dark matter.[Phys. Rev. Lett. 113, 251301] Published Mon Dec 15, 2014
Author(s): Matthew L. Blow, Sumesh P. Thampi, and Julia M. Yeomans Active nematic domains elongate and orient at their interface. Here this behavior is shown theoretically to arise from active stresses in the system.[Phys. Rev. Lett. 113, 248303] Publi…
Author(s): Toen Castle, Yigil Cho, Xingting Gong, Euiyeon Jung, Daniel M. Sussman, Shu Yang, and Randall D. Kamien Simple rules for cutting and folding rigid sheets can facilitate preplanned material design.[Phys. Rev. Lett. 113, 245502] Published Thu …
Author(s): Alan Heavens, Raul Jimenez, and Licia Verde A measure of how galaxies are spatially distributed can be determined in a new, more robust way.[Phys. Rev. Lett. 113, 241302] Published Thu Dec 11, 2014
Author(s): Shunsuke Yoshizawa, Howon Kim, Takuto Kawakami, Yuki Nagai, Tomonobu Nakayama, Xiao Hu, Yukio Hasegawa, and Takashi Uchihashi Single-atomic-step imperfections on the surface of superconducting films behave like Josephson junctions.[Phys. Re…
Author(s): P. Ciarletta, V. Balbi, and E. Kuhl A model of soft biological tissue explains why wrinkles and folds form in tubular structures like the esophagus or the intestines.[Phys. Rev. Lett. 113, 248101] Published Tue Dec 09, 2014
Author(s): R. Alonso, B. Grinstein, and J. Martin Camalich An effective field theory for physics beyond the electroweak scale, where symmetries of the Standard Model are assumed to apply, provides model-independent constraints on new physics from the b…
Author(s): L. P. He, X. C. Hong, J. K. Dong, J. Pan, Z. Zhang, J. Zhang, and S. Y. Li
Bulk quantum transport measurements of Cd3As2 provide further evidence that it is a 3D Dirac Semimetal – a quantum state of matter whose properties resemble a 3D analog of graphene.
[Phys. Rev. Lett. 113, 246402] Published Tue Dec 09, 2014
Author(s): Jarryd J. Pla, Fahd A. Mohiyaddin, Kuan Y. Tan, Juan P. Dehollain, Rajib Rahman, Gerhard Klimeck, David N. Jamieson, Andrew S. Dzurak, and Andrea Morello The readout and manipulation of individual silicon nuclei has been achieved with a high…
Author(s): W. P. Leemans, A. J. Gonsalves, H.-S. Mao, K. Nakamura, C. Benedetti, C. B. Schroeder, Cs. Tóth, J. Daniels, D. E. Mittelberger, S. S. Bulanov, J.-L. Vay, C. G. R. Geddes, and E. Esarey
A laser-driven particle accelerator, delivering a beam of electrons with a record-breaking energy of 4.2 giga-electron-volts, could lead to compact x-ray lasers or high-energy colliders.
[Phys. Rev. Lett. 113, 245002] Published Mon Dec 08, 2014
Author(s): Tsvi Piran and Raul Jimenez Powerful stellar explosions may have caused mass extinctions on Earth and could also have prevented life from appearing on other planets until 5 billion years ago, and then only in the outskirts of galaxies.[Phys…
Author(s): D. Rakhmilevitch, R. Korytár, A. Bagrets, F. Evers, and O. Tal
The satellite peaks accompaning the zero-bias conductance peak in single molecule junctions of copper-phtalocyanide are experimentally shown to orignate from electron-phonon interactions.
[Phys. Rev. Lett. 113, 236603] Published Fri Dec 05, 2014
Author(s): M. Oltscher, M. Ciorga, M. Utz, D. Schuh, D. Bougeard, and D. Weiss The injection of spins into a high-mobility two-dimensional electron gas is unexpectedly efficient, suggesting that new theories may be needed to describe spin transport in…
Author(s): Megan C. Engel, Dustin B. Ritchie, Daniel A. N. Foster, Kevin S. D. Beach, and Michael T. Woodside
A new method is demonstrated for determining the free energy profile of a folded biopolymer from force-extension measurements.
[Phys. Rev. Lett. 113, 238104] Published Wed Dec 03, 2014
Author(s): Markus Deiß, Björn Drews, Benjamin Deissler, and Johannes Hecker Denschlag
Cold molecules trapped in an optical lattice can be aligned by controlling their rotational quantum state.
[Phys. Rev. Lett. 113, 233004] Published Wed Dec 03, 2014
Author(s): Edmund J. Copeland, Paul M. Saffin, and Shuang-Yong Zhou In nonlinear field theories with Q-ball (non-topological soliton) solutions, towers of composite Q-ball solutions exist, where positive and negative charges within a Q-ball can swap po…
Author(s): Ioannis Karamouzas, Brian Skinner, and Stephen J. Guy
A universal law for the interaction of pedestrians in a crowd, based on a walker’s ability to anticipate collisions, leads to accurate simulations of a variety of crowd conditions.
[Phys. Rev. Lett. 113, 238701] Published Tue Dec 02, 2014
Author(s): Nadine Dörre, Jonas Rodewald, Philipp Geyer, Bernd von Issendorff, Philipp Haslinger, and Markus Arndt
A new technique in matter-wave interferometry using laser light to fragment molecules may open the door to interference demonstrations with large biomolecules or nanoclusters.
[Phys. Rev. Lett. 113, 233001] Published Mon Dec 01, 2014
Author(s): Alessandro Attanasi, Andrea Cavagna, Lorenzo Del Castello, Irene Giardina, Stefania Melillo, Leonardo Parisi, Oliver Pohl, Bruno Rossaro, Edward Shen, Edmondo Silvestri, and Massimiliano Viale The seemingly erratic motion of insects in a sw…
Author(s): M. Hepting, M. Minola, A. Frano, G. Cristiani, G. Logvenov, E. Schierle, M. Wu, M. Bluschke, E. Weschke, H.-U. Habermeier, E. Benckiser, M. Le Tacon, and B. Keimer The metal-insulator transition in PrNiO3 is shown to arise from spin density …
Author(s): Ching-Hao Chang, Jeroen van den Brink, and Carmine Ortix A 2D electron gas confined in nanotubes, formed by rolling up multilayer films of a non-magnetic semiconducting material, is predicted to exhibit strongly anisotropic magnetoresistance…
Author(s): M. Goryca, M. Koperski, P. Wojnar, T. Smoleński, T. Kazimierczuk, A. Golnik, and P. Kossacki
Researchers observed the precession of an individual spin-5/2 ion in a quantum dot, a system that could store multiple bits for quantum computing.
[Phys. Rev. Lett. 113, 227202] Published Tue Nov 25, 2014
Author(s): T. P. Harty, D. T. C. Allcock, C. J. Ballance, L. Guidoni, H. A. Janacek, N. M. Linke, D. N. Stacey, and D. M. Lucas
Qubits based on trapped ions can be prepared and manipulated with record-breaking accuracy, offering a promising scalable platform for quantum computing.
[Phys. Rev. Lett. 113, 220501] Published Mon Nov 24, 2014
Author(s): G. Aad et al. (ATLAS Collaboration)
The ATLAS Collaboration has observed a new excited state of the Bc± meson at 6842 MeV by reconstructing its decay. The mass and decay are consistent with QCD predictions for this excited state.
[Phys. Rev. Lett. 113, 212004] Published Fri Nov 21, 2014
Author(s): Yu Chen and Chushun Tian The kicked spin-1/2 rotor, a canonical chaotic system, is analogous to the integer quantum Hall effect.[Phys. Rev. Lett. 113, 216802] Published Fri Nov 21, 2014
Author(s): Javier Rodríguez-Rodríguez, Almudena Casado-Chacón, and Daniel Fuster
An investigation of the pub prank “beer tapping” provides a better understanding of gas-driven eruptions that occur in carbonated beverages, as well as in volcanic environments.
[Phys. Rev. Lett. 113, 214501] Published Thu Nov 20, 2014
Author(s): I. Pletikosić, Mazhar N. Ali, A. V. Fedorov, R. J. Cava, and T. Valla
A near perfect balance between electrons and holes explains why WTe2’s huge magnetoresistence doesn’t saturate at high fields, reaching 13 million percent at 60 tesla.
[Phys. Rev. Lett. 113, 216601] Published Wed Nov 19, 2014
Author(s): Theodore J. Yoder, Guang Hao Low, and Isaac L. Chuang
A well-known quantum search method, called Grover’s algorithm, has been modified to handle a wider variety of search problems.
[Phys. Rev. Lett. 113, 210501] Published Tue Nov 18, 2014
Author(s): R. M. Godun, P. B. R. Nisbet-Jones, J. M. Jones, S. A. King, L. A. M. Johnson, H. S. Margolis, K. Szymaniec, S. N. Lea, K. Bongs, and P. Gill
Single-ion clocks yield new limits on how much the proton-to-electron mass ratio and the fine structure constant change over time.
[Phys. Rev. Lett. 113, 210801] Published Mon Nov 17, 2014
Author(s): M. Herranen, T. Markkanen, S. Nurmi, and A. Rajantie Curvature corrections to the Standard Model effective potential explain why the universe did not become unstable during cosmological inflation.[Phys. Rev. Lett. 113, 211102] Published Mon …
Author(s): N. Huntemann, B. Lipphardt, Chr. Tamm, V. Gerginov, S. Weyers, and E. Peik Single-ion clocks yield new limits on how much the proton-to-electron mass ratio and the fine structure constant change over time.[Phys. Rev. Lett. 113, 210802] Publ…
Author(s): Gabriel S. Denicol, Ulrich Heinz, Mauricio Martinez, Jorge Noronha, and Michael Strickland An exact solution of the relativistic Boltzmann equation with flow conditions relevant to heavy-ion collisions has been found.[Phys. Rev. Lett. 113, 2…
Author(s): P. Michel, L. Divol, D. Turnbull, and J. D. Moody
The polarization of an intense laser beam can theoretically be controlled by mixing it with a second beam in a plasma.
[Phys. Rev. Lett. 113, 205001] Published Fri Nov 14, 2014
Author(s): Ch. Grenier, A. Georges, and C. Kollath Simultaneous evaporative cooling of particles and holes would allow faster, deeper cooling of neutral Fermi gases. This new method could allow the gas to be cooled sufficiently for superfluidity and ul…
Author(s): Tetsu Takekoshi, Lukas Reichsöllner, Andreas Schindewolf, Jeremy M. Hutson, C. Ruth Le Sueur, Olivier Dulieu, Francesca Ferlaino, Rudolf Grimm, and Hanns-Christoph Nägerl
A step towards a collisionally stable quantum gas of dipolar molecules has been made by cooling a dense system of RbCs molecules to their electronic and rotational-vibrational ground state.
[Phys. Rev. Lett. 113, 205301] Published Wed Nov 12, 2014
Author(s): V. Chikkadi, D. M. Miedema, M. T. Dang, B. Nienhuis, and P. Schall
A first-order jump is seen in the diffusion time scale of a sheared colloidal glass, as the applied shear field increases.
[Phys. Rev. Lett. 113, 208301] Published Wed Nov 12, 2014
Author(s): Xiaochun Gong, Peilun He, Qiying Song, Qinying Ji, Haifeng Pan, Jingxin Ding, Feng He, Heping Zeng, and Jian Wu The dynamics of hydrogen photo-dissociation are controlled on an attosecond time-scale using orthogonally polarized two-color ult…
Author(s): Robert Dall, Michael D. Fraser, Anton S. Desyatnikov, Guangyao Li, Sebastian Brodbeck, Martin Kamp, Christian Schneider, Sven Höfling, and Elena A. Ostrovskaya
A spiral pattern of light imparts angular momentum to a quantum condensate in a semiconductor.
[Phys. Rev. Lett. 113, 200404] Published Wed Nov 12, 2014
Author(s): Matthew F. Pusey Weak measurements whose results exceed the largest eigenvalue of an operator manifest nonclassical behavior called contextuality.[Phys. Rev. Lett. 113, 200401] Published Wed Nov 12, 2014
Author(s): M. S. Tame, B. A. Bell, C. Di Franco, W. J. Wadsworth, and J. G. Rarity
A function finder called Simon’s algorithm has been experimentally tested on a prototype quantum computer for the first time.
[Phys. Rev. Lett. 113, 200501] Published Tue Nov 11, 2014
Author(s): J. P. Lees et al. (BaBar Collaboration)
A search for a photonlike particle that could be related to dark matter has come up empty, putting new constraints on models that imagine a dark form of electromagnetism.
[Phys. Rev. Lett. 113, 201801] Published Mon Nov 10, 2014
Author(s): Shlomo Dado and Arnon Dar Collisions of ultrahigh energy cosmic rays within molecular clouds of star forming galaxies produce a diffuse background of very high energy neutrinos, consistent with that observed by the IceCube neutrino telescope…
Author(s): H. Lhuissier, B. Néel, and L. Limat
A high-speed jet of certain fluids will form multiple wings, or archlike structures, when hitting a solid surface.
[Phys. Rev. Lett. 113, 194502] Published Fri Nov 07, 2014
Author(s): Marc Kamionkowski and Ely D. Kovetz Ongoing searches for primordial gravitational waves have a new way to identify possible contaminations from cosmic dust.[Phys. Rev. Lett. 113, 191303] Published Thu Nov 06, 2014
Author(s): Yan-Lin Tang, Hua-Lei Yin, Si-Jing Chen, Yang Liu, Wei-Jun Zhang, Xiao Jiang, Lu Zhang, Jian Wang, Li-Xing You, Jian-Yu Guan, Dong-Xu Yang, Zhen Wang, Hao Liang, Zhen Zhang, Nan Zhou, Xiongfeng Ma, Teng-Yun Chen, Qiang Zhang, and Jian-Wei Pa…
Author(s): Z. Meir, O. Schwartz, E. Shahmoon, D. Oron, and R. Ozeri The roiling of the quantum vacuum tweaks the collective energy of far-apart ions.[Phys. Rev. Lett. 113, 193002] Published Wed Nov 05, 2014
Author(s): Ricard Alert, Jaume Casademunt, and Pietro Tierno A new first order phase transition is seen in magnetic colloidal crystals, when the energy landscape is completely inverted.[Phys. Rev. Lett. 113, 198301] Published Tue Nov 04, 2014
Author(s): Yonggun Jun, Momčilo Gavrilov, and John Bechhoefer
New experiments confirm the theoretical prediction of Rolf Landauer, that there is a lower bound on the minimum energy needed to perform a single computation, such as erasing a single bit of information.
[Phys. Rev. Lett. 113, 190601] Published Tue Nov 04, 2014
Author(s): C. Coulais, A. Seguin, and O. Dauchot
Experiments on a model “soil” give new insight into the elasticity of nonlinear materials.
[Phys. Rev. Lett. 113, 198001] Published Mon Nov 03, 2014
Author(s): A. O. Sushkov, I. Lovchinsky, N. Chisholm, R. L. Walsworth, H. Park, and M. D. Lukin
An NMR scheme based on nitrogen vacancies in diamond images the spins of individual protons.
[Phys. Rev. Lett. 113, 197601] Published Mon Nov 03, 2014
Author(s): R. P. Erickson, M. R. Vissers, M. Sandberg, S. R. Jefferts, and D. P. Pappas
Superconducting niobium-titanium nitride resonators are used to generate multi-octave frequency combs in the microwave regime.
[Phys. Rev. Lett. 113, 187002] Published Thu Oct 30, 2014
Author(s): Valentina Salvatelli, Najla Said, Marco Bruni, Alessandro Melchiorri, and David Wands Discrepancies between different cosmological datasets could indicate interactions between dark matter and dark energy that occurred late in cosmological ev…
Author(s): Jing-Yuan Chen, Dam T. Son, Mikhail A. Stephanov, Ho-Ung Yee, and Yi Yin
A kinetic theory, with explicit Lorentz invariance, is derived for chiral fermions in an external electromagnetic field. This theory provides the correct form for the chiral vortical effect — the appearance of a current in a system undergoing rotation.
[Phys. Rev. Lett. 113, 182302] Published Thu Oct 30, 2014
Author(s): Felix Herziger, Matteo Calandra, Paola Gava, Patrick May, Michele Lazzeri, Francesco Mauri, and Janina Maultzsch Raman spectroscopy, in particular the 2D Raman mode, is widely used to characterize bilayer graphene. The assumption that the 2D…
Author(s): Joseph Lydon, Marc Serra-Garcia, and Chiara Daraio A linear chain of beads exhibits localized vibrational states when a defect is introduced into the chain. If the defect is resonant, the length of chain involved in this localized excitation…
Author(s): Julian Barbour, Tim Koslowski, and Flavio Mercati Masses evolving under Newtonian gravity have a preferred direction of time without special initial conditions.[Phys. Rev. Lett. 113, 181101] Published Wed Oct 29, 2014
Author(s): Jemal Guven, Greg Huber, and Dulce María Valencia
A model for the fundamental building blocks of fluid membranes addresses how chiral stacking occurs in the endoplasmic reticulum, an essential cellular organelle.
[Phys. Rev. Lett. 113, 188101] Published Tue Oct 28, 2014
Author(s): Bastiaan Florijn, Corentin Coulais, and Martin van Hecke Squeezing a holey rubber slab changes its stiffness over a wide range in the direction perpendicular to the squeeze.[Phys. Rev. Lett. 113, 175503] Published Fri Oct 24, 2014
Author(s): Joshua P. Steimel, Juan L. Aragones, and Alfredo Alexander-Katz
Pairs of micrometer-sized magnetic beads could “hunt” for chemicals by sensing changes in surface friction.
[Phys. Rev. Lett. 113, 178101] Published Wed Oct 22, 2014
Author(s): T. Guerreiro, A. Martin, B. Sanguinetti, J. S. Pelc, C. Langrock, M. M. Fejer, N. Gisin, H. Zbinden, N. Sangouard, and R. T. Thew
The interaction between two individual photons in a nonlinear optical waveguide offers new possibilities for quantum information processing.
[Phys. Rev. Lett. 113, 173601] Published Wed Oct 22, 2014
Author(s): Yonit Hochberg, Eric Kuflik, Tomer Volansky, and Jay G. Wacker Strongly interacting light dark matter could provide a mechanism for achieving thermal relic dark matter abundances via inelastic processes at freezeout. This addresses outstandi…
Author(s): Brian Batell, Rouven Essig, and Ze’ev Surujon
Using 30 year old electron beam-dump data, stringent new constraints are placed on the parameter space of dark photons – recently proposed hypothetical force carriers between dark matter particles.
[Phys. Rev. Lett. 113, 171802] Published Tue Oct 21, 2014
Author(s): Feng Liu, Yanjie Liang, and Zhengwei Pan Persistent luminescence, lasting more than 24 hours, is generated in a new phosphor compound via an upconversion process.[Phys. Rev. Lett. 113, 177401] Published Tue Oct 21, 2014
Author(s): M. K. Chan, M. J. Veit, C. J. Dorow, Y. Ge, Y. Li, W. Tabis, Y. Tang, X. Zhao, N. Barišić, and M. Greven
Kohler’s rule – that a metal’s resistivity in an applied magnetic field exhibits scaling behavior – is shown to be universally valid for the pseudogap phase of cuprate superconductors, if disorder and extrinsic influences are taken into account.
[Phys. Rev. Lett. 113, 177005] Published Tue Oct 21, 2014
Author(s): Serge Mora, Ty Phou, Jean-Marc Fromental, and Yves Pomeau A new Rayleigh-Taylor-like instability is seen in elastic gel materials, where the instability is driven by gravity.[Phys. Rev. Lett. 113, 178301] Published Tue Oct 21, 2014
Author(s): Ross T. Howie, Ioan B. Magdău, Alexander F. Goncharov, Graeme J. Ackland, and Eugene Gregoryanz
Localized vibration phonon modes are observed in a dense hydrogen-deuterium mixture, due to mass distribution disorder from the different isotope masses in the mixture.
[Phys. Rev. Lett. 113, 175501] Published Tue Oct 21, 2014
Author(s): Italo Guarneri, Giulio Casati, and Volker Karle
Features thought to be unique to quantum dynamical systems, such as localization of momentum, are found in a classical kicked rotor – where particles move in a ring and are ‘kicked’ periodically by an external field that changes the particle’s momentum.
[Phys. Rev. Lett. 113, 174101] Published Mon Oct 20, 2014
Author(s): Freddy Cachazo, Song He, and Ellis Ye Yuan A new formula for the scattering of massless particles may simplify predictions and analyses of LHC experiments and shed new light on quantum gravity theories.[Phys. Rev. Lett. 113, 171601] Publish…
Author(s): Lee A. Rozema, Dylan H. Mahler, Alex Hayat, Peter S. Turner, and Aephraim M. Steinberg A technique that packs the full content of three bits of quantum information into two may be a space saver for quantum computers.[Phys. Rev. Lett. 113, 1…
Author(s): Yuhe Zhang, G. J. Sreejith, N. D. Gemelke, and J. K. Jain
A method is proposed that would allow fractional statistics to be measured experimentally using a pair of atoms immersed in a specifically tailored quantum many-body state.
[Phys. Rev. Lett. 113, 160404] Published Thu Oct 16, 2014
Author(s): D. Sheng, A. Kabcenell, and M. V. Romalis
Progress has been made in understanding systematic effects from thermal and magnetic field gradients on comagnetometers – devices that compare the nuclear spin procession of two atomic species.
[Phys. Rev. Lett. 113, 163002] Published Thu Oct 16, 2014
Author(s): Simon Caron-Huot and Johannes M. Henn A relativistic quantum field theory extension to the classical Kepler problem provides a new method to compute the bound states of massive W bosons in planar N=4 super Yang-Mills.[Phys. Rev. Lett. 113, 1…
Author(s): C. H. Lui, A. J. Frenzel, D. V. Pilon, Y.-H. Lee, X. Ling, G. M. Akselrod, J. Kong, and N. Gedik
Ultrafast optical excitation of doped MoS2 causes a pronounced transient decrease in its conductivity, due to strong many-body interactions in the material that convert the 2D electron gas into a trion gas.
[Phys. Rev. Lett. 113, 166801] Published Thu Oct 16, 2014
Author(s): J. Hlinka The family of vector-like quantities is expanded from four to eight using symmetry arguments. These new vectors may be useful for describing systems including chiral objects, topological defects, or magnetic vortices.[Phys. Rev. Le…
Author(s): Bharath Srivathsan, Gurpreet Kaur Gulati, Alessandro Cerè, Brenda Chng, and Christian Kurtsiefer
The temporal pulse shape of a single photon can be engineered, from an exponential decay to an exponential rise, using a Fabry-Perot optical cavity. This ‘shaping’ would make it easier to couple photons to atoms in a cavity.
[Phys. Rev. Lett. 113, 163601] Published Wed Oct 15, 2014
Author(s): R. Aaij et al. (LHCb Collaboration) The LHCb collaboration has observed the first spin-3 resonance containing a heavy quark produced in the decay of the bottom-hadron Bs0.[Phys. Rev. Lett. 113, 162001] Published Tue Oct 14, 2014
Author(s): M. D. Mestayer et al. (CLAS Collaboration)
Strange quark–anti-quark pairs are less likely to be produced in hadronic collisions than their light quark counterparts, providing insight into color confinement in QCD.
[Phys. Rev. Lett. 113, 152004] Published Fri Oct 10, 2014
Author(s): Ning Zhou, Zepyoor Khechadoorian, Daniel Whiteson, and Tim M. P. Tait
A reanalysis of LHC data from a supersymmetry search provides new constraints on the Higgs branching ratio to invisible particles, which are possibly related to dark matter.
[Phys. Rev. Lett. 113, 151801] Published Fri Oct 10, 2014
Author(s): Chih-Pin Lu, Guohong Li, K. Watanabe, T. Taniguchi, and Eva Y. Andrei
Molybdenum disulfide may provide an ideal substrate for supporting graphene.
[Phys. Rev. Lett. 113, 156804] Published Thu Oct 09, 2014
Author(s): Brian D. Fields, Stuart L. Shapiro, and Jessie Shelton
Simple dark matter and astrophysical models can’t explain a gamma-ray signal from our Galaxy’s center.
[Phys. Rev. Lett. 113, 151302] Published Thu Oct 09, 2014
Author(s): Genevieve Gariepy, Jonathan Leach, Kyung Taec Kim, T. J. Hammond, E. Frumker, Robert W. Boyd, and P. B. Corkum
A laser field carrying orbital angular momentum can drive nonlinear high harmonic generation in a gas, potentially forming an extreme ultraviolet beam having applications in molecular scale microscopy.
[Phys. Rev. Lett. 113, 153901] Published Tue Oct 07, 2014
Author(s): Johan Åberg
A scheme is proposed to perform a unitary operation on a multi-level system, without degrading the coherence of the external system.
[Phys. Rev. Lett. 113, 150402] Published Tue Oct 07, 2014