http://prl.aps.org/ Recently published articles in Phys. Rev. Lett. in the Table of Content section "Plasma and Beam Physics" en-us Copyright (c) 2009 The American Physical Society 2009-11-05T23:49:15-05:00 assocpub@aps.org rss@aps.org hourly 4 2009-11-05T23:49:15-05:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevLett.103.194805 Author(s): M. D. Alaimo, M. A. C. Potenza, M. Manfredda, G. Geloni, M. Sztucki, T. Narayanan, and M. Giglio<br/>We present a novel method to map the two-dimensional transverse coherence of an x-ray beam using the dynamical near-field speckles formed by scattering from colloidal particles. Owing to the statistical nature of the method, the coherence properties of synchrotron radiation from an undulator source ...<br/>[Phys. Rev. Lett. 103, 194805] Published Thu Nov 05, 2009 M. D. Alaimo, M. A. C. Potenza, M. Manfredda, G. Geloni, M. Sztucki, T. Narayanan, and M. Giglio 2009-11-05T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.194805 Phys. Rev. Lett. 103, 194805 text/html article Physical Review Letters 103 19 2009-11-05T00:00:00-05:00 194805 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.195002 Author(s): M. E. Povarnitsyn, T. E. Itina, K. V. Khishchenko, and P. R. Levashov<br/>We report the physical reasons of a curious decrease in the crater depth observed for long delays in experiments with two successive femtosecond pulses. Detailed hydrodynamic modeling demonstrates that the ablation mechanism is dumped when the delay between the pulses exceeds the electron-ion relaxa...<br/>[Phys. Rev. Lett. 103, 195002] Published Wed Nov 04, 2009 M. E. Povarnitsyn, T. E. Itina, K. V. Khishchenko, and P. R. Levashov 2009-11-04T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.195002 Phys. Rev. Lett. 103, 195002 text/html article Physical Review Letters 103 19 2009-11-04T00:00:00-05:00 195002 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.195001 Author(s): T. Ott and M. Bonitz<br/>There have recently been many predictions of “superdiffusion” in two-dimensional strongly coupled Yukawa systems, both by computer simulations and in dusty plasma experiments, with substantially varying diffusion exponents. Here we show that the results crucially depend on the strength of dissip...<br/>[Phys. Rev. Lett. 103, 195001] Published Tue Nov 03, 2009 T. Ott and M. Bonitz 2009-11-03T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.195001 Phys. Rev. Lett. 103, 195001 text/html article Physical Review Letters 103 19 2009-11-03T00:00:00-05:00 195001 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.194804 Author(s): C. Rechatin, X. Davoine, A. Lifschitz, A. Ben Ismail, J. Lim, E. Lefebvre, J. Faure, and V. Malka<br/>Beam loading is the phenomenon which limits the charge and the beam quality in plasma based accelerators. An experimental study conducted with a laser-plasma accelerator is presented. Beam loading manifests itself through the decrease of the beam energy, the reduction of dark current, and the increa...<br/>[Phys. Rev. Lett. 103, 194804] Published Mon Nov 02, 2009 C. Rechatin, X. Davoine, A. Lifschitz, A. Ben Ismail, J. Lim, E. Lefebvre, J. Faure, and V. Malka 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.194804 Phys. Rev. Lett. 103, 194804 text/html article Physical Review Letters 103 19 2009-11-02T00:00:00-05:00 194804 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.194803 Author(s): H. Kotaki et al.<br/>A high stability electron bunch is generated by laser wakefield acceleration with the help of a colliding laser pulse. The wakefield is generated by a laser pulse; the second laser pulse collides with the first pulse at 180° and at 135° realizing optical injection of an electron bunch. The electro...<br/>[Phys. Rev. Lett. 103, 194803] Published Mon Nov 02, 2009 H. Kotaki et al. 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.194803 Phys. Rev. Lett. 103, 194803 text/html article Physical Review Letters 103 19 2009-11-02T00:00:00-05:00 194803 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.194802 Author(s): Sergey N. Galyamin, Andrey V. Tyukhtin, Alexey Kanareykin, and Paul Schoessow<br/>We analyze the radiation from a charged particle crossing the boundary between an ordinary medium and a “left-handed” metamaterial. We obtain exact and approximate expressions for the field components and develop algorithms for their computation. The spatial radiation in this system can be separ...<br/><img src="http://prola.aps.org/graphics/prlsugg30x30.gif" width="30" height="30" alt="PRL Editors' Suggestion"/><br/>[Phys. Rev. Lett. 103, 194802] Published Mon Nov 02, 2009 Sergey N. Galyamin, Andrey V. Tyukhtin, Alexey Kanareykin, and Paul Schoessow 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.194802 Phys. Rev. Lett. 103, 194802 text/html article Physical Review Letters 103 19 2009-11-02T00:00:00-05:00 194802 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.194801 Author(s): Sheng Xi, Hongsheng Chen, Tao Jiang, Lixin Ran, Jiangtao Huangfu, Bae-Ian Wu, Jin Au Kong, and Min Chen<br/>By using a phased electromagnetic dipole array to model a moving charged particle, we experimentally verified a reversed Cherenkov radiation in the left-handed media in the frequency range from 8.1 to 9.5 GHz. Our results demonstrate the feasibility of new types of particle detectors and radiation ...<br/><img src="http://prola.aps.org/graphics/prlsugg30x30.gif" width="30" height="30" alt="PRL Editors' Suggestion"/><br/>[Phys. Rev. Lett. 103, 194801] Published Mon Nov 02, 2009 Sheng Xi, Hongsheng Chen, Tao Jiang, Lixin Ran, Jiangtao Huangfu, Bae-Ian Wu, Jin Au Kong, and Min Chen 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.194801 Phys. Rev. Lett. 103, 194801 text/html article Physical Review Letters 103 19 2009-11-02T00:00:00-05:00 194801 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.175003 Author(s): I. Kostyukov, E. Nerush, A. Pukhov, and V. Seredov<br/>We present an analytical model for electron self-injection in a nonlinear, multidimensional plasma wave excited by a short laser pulse in the bubble regime or by a short electron beam in the blowout regime. In these regimes, which are typical for electron acceleration, the laser radiation pressure o...<br/>[Phys. Rev. Lett. 103, 175003] Published Fri Oct 23, 2009 I. Kostyukov, E. Nerush, A. Pukhov, and V. Seredov 2009-10-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.175003 Phys. Rev. Lett. 103, 175003 text/html article Physical Review Letters 103 17 2009-10-23T00:00:00-04:00 175003 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.175002 Author(s): R. Yan, A. V. Maximov, C. Ren, and F. S. Tsung<br/>Particle-in-cell (PIC) and fluid simulations of two-plasmon decay (TPD) instability under conditions relevant to inertial confinement fusion show the importance of convective modes. Growing at the lower density region, the convective modes can cause pump depletion and are energetically dominant in t...<br/>[Phys. Rev. Lett. 103, 175002] Published Tue Oct 20, 2009 R. Yan, A. V. Maximov, C. Ren, and F. S. Tsung 2009-10-20T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.175002 Phys. Rev. Lett. 103, 175002 text/html article Physical Review Letters 103 17 2009-10-20T00:00:00-04:00 175002 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.175001 Author(s): W. W. Heidbrink, J. M. Park, M. Murakami, C. C. Petty, C. Holcomb, and M. A. Van Zeeland<br/>Cross-field diffusion of energetic ions by microturbulence is measured during neutral-beam injection into the DIII-D tokamak. Fast-ion D_{α} , neutron, and motional Stark effect measurements diagnose the fast-ion distribution function. As expected for transport by plasma turbulence, anomalies relat...<br/>[Phys. Rev. Lett. 103, 175001] Published Mon Oct 19, 2009 W. W. Heidbrink, J. M. Park, M. Murakami, C. C. Petty, C. Holcomb, and M. A. Van Zeeland 2009-10-19T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.175001 Phys. Rev. Lett. 103, 175001 text/html article Physical Review Letters 103 17 2009-10-19T00:00:00-04:00 175001 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.165005 Author(s): O. Schmitz, T. E. Evans, M. E. Fenstermacher, E. A. Unterberg, M. E. Austin, B. D. Bray, N. H. Brooks, H. Frerichs, M. Groth, M. W. Jakubowski, C. J. Lasnier, M. Lehnen, A. W. Leonard, S. Mordijck, R. A. Moyer, T. H. Osborne, D. Reiter, U. Samm, M. J. Schaffer, B. Unterberg, and W. P. West<br/>Good alignment of the magnetic field line pitch angle with the mode structure of an external resonant magnetic perturbation (RMP) field is shown to induce modulation of the pedestal electron pressure p_{e} in high confinement high rotation plasmas at the DIII-D tokamak with a shape similar to ITER, ...<br/>[Phys. Rev. Lett. 103, 165005] Published Fri Oct 16, 2009 O. Schmitz, T. E. Evans, M. E. Fenstermacher, E. A. Unterberg, M. E. Austin, B. D. Bray, N. H. Brooks, H. Frerichs, M. Groth, M. W. Jakubowski, C. J. Lasnier, M. Lehnen, A. W. Leonard, S. Mordijck, R. A. Moyer, T. H. Osborne, D. Reiter, U. Samm, M. J. Schaffer, B. Unterberg, and W. P. West 2009-10-16T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.165005 Phys. Rev. Lett. 103, 165005 text/html article Physical Review Letters 103 16 2009-10-16T00:00:00-04:00 165005 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.165004 Author(s): P. Manz, M. Ramisch, and U. Stroth<br/>The energetic interaction between drift-wave turbulence and zonal flows is studied experimentally in two-dimensional wave number space. The kinetic energy is found to be transferred nonlocally from the drift waves to the zonal flow. This confirms the theoretical prediction that the parametric-modul...<br/>[Phys. Rev. Lett. 103, 165004] Published Fri Oct 16, 2009 P. Manz, M. Ramisch, and U. Stroth 2009-10-16T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.165004 Phys. Rev. Lett. 103, 165004 text/html article Physical Review Letters 103 16 2009-10-16T00:00:00-04:00 165004 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.165003 Author(s): O. Alexandrova, J. Saur, C. Lacombe, A. Mangeney, J. Mitchell, S. J. Schwartz, and P. Robert<br/>To investigate the universality of magnetic turbulence in space plasmas, we analyze seven time periods in the free solar wind under different plasma conditions. Three instruments on Cluster spacecraft operating in different frequency ranges give us the possibility to resolve spectra up to 300 Hz. W...<br/>[Phys. Rev. Lett. 103, 165003] Published Wed Oct 14, 2009 O. Alexandrova, J. Saur, C. Lacombe, A. Mangeney, J. Mitchell, S. J. Schwartz, and P. Robert 2009-10-14T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.165003 Phys. Rev. Lett. 103, 165003 text/html article Physical Review Letters 103 16 2009-10-14T00:00:00-04:00 165003 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.164801 Author(s): Shinji Machida<br/>A novel scaling type of fixed-field alternating gradient (FFAG) accelerator is proposed that solves the major problems of conventional scaling and nonscaling types. This scaling FFAG accelerator can achieve a much smaller orbit excursion by taking a larger field index k. A triplet focusing structure...<br/>[Phys. Rev. Lett. 103, 164801] Published Wed Oct 14, 2009 Shinji Machida 2009-10-14T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.164801 Phys. Rev. Lett. 103, 164801 text/html article Physical Review Letters 103 16 2009-10-14T00:00:00-04:00 164801 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.165002 Author(s): Y. Fukuda, A. Ya. Faenov, M. Tampo, T. A. Pikuz, T. Nakamura, M. Kando, Y. Hayashi, A. Yogo, H. Sakaki, T. Kameshima, A. S. Pirozhkov, K. Ogura, M. Mori, T. Zh. Esirkepov, J. Koga, A. S. Boldarev, V. A. Gasilov, A. I. Magunov, T. Yamauchi, R. Kodama, P. R. Bolton, Y. Kato, T. Tajima, H. Daido, and S. V. Bulanov<br/>An approach for accelerating ions, with the use of a cluster-gas target and an ultrashort pulse laser of 150-mJ energy and 40-fs duration, is presented. Ions with energy 10–20 MeV per nucleon having a small divergence (full angle) of 3.4° are generated in the forward direction, corresponding to ...<br/>[Phys. Rev. Lett. 103, 165002] Published Tue Oct 13, 2009 Y. Fukuda, A. Ya. Faenov, M. Tampo, T. A. Pikuz, T. Nakamura, M. Kando, Y. Hayashi, A. Yogo, H. Sakaki, T. Kameshima, A. S. Pirozhkov, K. Ogura, M. Mori, T. Zh. Esirkepov, J. Koga, A. S. Boldarev, V. A. Gasilov, A. I. Magunov, T. Yamauchi, R. Kodama, P. R. Bolton, Y. Kato, T. Tajima, H. Daido, and S. V. Bulanov 2009-10-13T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.165002 Phys. Rev. Lett. 103, 165002 text/html article Physical Review Letters 103 16 2009-10-13T00:00:00-04:00 165002 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.165001 Author(s): I. Sandberg, S. Benkadda, X. Garbet, G. Ropokis, K. Hizanidis, and D. del-Castillo-Negrete<br/>Bursty transport phenomena associated with convective motion present universal statistical characteristics among different physical systems. In this Letter, a stochastic univariate model and the associated probability distribution function for the description of bursty transport in plasma turbulence...<br/>[Phys. Rev. Lett. 103, 165001] Published Mon Oct 12, 2009 I. Sandberg, S. Benkadda, X. Garbet, G. Ropokis, K. Hizanidis, and D. del-Castillo-Negrete 2009-10-12T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.165001 Phys. Rev. Lett. 103, 165001 text/html article Physical Review Letters 103 16 2009-10-12T00:00:00-04:00 165001 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.155002 Author(s): Didier Bénisti, David J. Strozzi, Laurent Gremillet, and Olivier Morice<br/>In this Letter, we discuss the concept of the nonlinear Landau damping rate, ν, of a driven electron plasma wave, and provide a very simple, practical formula for ν, which agrees very well with results inferred from Vlasov simulations of stimulated Raman scattering. ν actually is more complicated...<br/>[Phys. Rev. Lett. 103, 155002] Published Fri Oct 09, 2009 Didier Bénisti, David J. Strozzi, Laurent Gremillet, and Olivier Morice 2009-10-09T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.155002 Phys. Rev. Lett. 103, 155002 text/html article Physical Review Letters 103 15 2009-10-09T00:00:00-04:00 155002 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.155001 Author(s): I. Barth, L. Friedland, E. Sarid, and A. G. Shagalov<br/>A sharp threshold for resonant capture of an ensemble of trapped particles driven by chirped frequency oscillations is analyzed. It is shown that at small temperatures T, the capture probability versus driving amplitude is a smoothed step function with the step location and width scaling as α^{3/4}...<br/>[Phys. Rev. Lett. 103, 155001] Published Wed Oct 07, 2009 I. Barth, L. Friedland, E. Sarid, and A. G. Shagalov 2009-10-07T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.155001 Phys. Rev. Lett. 103, 155001 text/html article Physical Review Letters 103 15 2009-10-07T00:00:00-04:00 155001 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.154801 Author(s): X. J. Wang, H. P. Freund, D. Harder, W. H. Miner, Jr., J. B. Murphy, H. Qian, Y. Shen, and X. Yang<br/>We report the first experimental characterization of efficiency and spectrum enhancement in a laser-seeded free-electron laser using a tapered undulator. Output and spectra in the fundamental and third harmonic were measured versus distance for uniform and tapered undulators. With a 4% field taper o...<br/>[Phys. Rev. Lett. 103, 154801] Published Wed Oct 07, 2009 X. J. Wang, H. P. Freund, D. Harder, W. H. Miner, Jr., J. B. Murphy, H. Qian, Y. Shen, and X. Yang 2009-10-07T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.154801 Phys. Rev. Lett. 103, 154801 text/html article Physical Review Letters 103 15 2009-10-07T00:00:00-04:00 154801 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.145004 Author(s): D. Sydorenko, I. Kaganovich, Y. Raitses, and A. Smolyakov<br/>A new regime of plasma-wall interaction is identified in particle-in-cell simulations of a hot plasma bounded by walls with secondary electron emission. Such a plasma has a strongly non-Maxwellian electron velocity distribution function and consists of bulk plasma electrons and beams of secondary el...<br/>[Phys. Rev. Lett. 103, 145004] Published Thu Oct 01, 2009 D. Sydorenko, I. Kaganovich, Y. Raitses, and A. Smolyakov 2009-10-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.145004 Phys. Rev. Lett. 103, 145004 text/html article Physical Review Letters 103 14 2009-10-01T00:00:00-04:00 145004 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.145003 Author(s): H. F. Robey, P. A. Amendt, J. L. Milovich, H.-S. Park, A. V. Hamza, and M. J. Bono<br/>High-convergence, hohlraum-driven implosions of double-shell capsules using mid-Z (SiO_{2} ) inner shells have been performed on the OMEGA laser facility [T. R. Boehly , Opt. Commun. 133, 495 (1997)]. These experiments provide an essential extension of the results of previous low-Z (CH) double-she...<br/>[Phys. Rev. Lett. 103, 145003] Published Thu Oct 01, 2009 H. F. Robey, P. A. Amendt, J. L. Milovich, H.-S. Park, A. V. Hamza, and M. J. Bono 2009-10-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.145003 Phys. Rev. Lett. 103, 145003 text/html article Physical Review Letters 103 14 2009-10-01T00:00:00-04:00 145003 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.144802 Author(s): M. Shimada, M. Katoh, M. Adachi, T. Tanikawa, S. Kimura, M. Hosaka, N. Yamamoto, Y. Takashima, and T. Takahashi<br/>We report turn-by-turn observation of coherent synchrotron radiation (CSR) produced by the laser bunch slicing technique at an electron storage ring operated with a small momentum compaction factor. CSR emission was intermittent, and its interval depended strongly on the betatron tune. This peculiar...<br/>[Phys. Rev. Lett. 103, 144802] Published Thu Oct 01, 2009 M. Shimada, M. Katoh, M. Adachi, T. Tanikawa, S. Kimura, M. Hosaka, N. Yamamoto, Y. Takashima, and T. Takahashi 2009-10-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.144802 Phys. Rev. Lett. 103, 144802 text/html article Physical Review Letters 103 14 2009-10-01T00:00:00-04:00 144802 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.145002 Author(s): G. Fiksel, A. F. Almagri, B. E. Chapman, V. V. Mirnov, Y. Ren, J. S. Sarff, and P. W. Terry<br/>Noncollisional ion heating in laboratory and astrophysical plasmas and the mechanism of conversion of magnetic energy to ion thermal energy are not well understood. In the Madison Symmetric Torus reversed-field pinch experiment, ions are heated rapidly during impulsive reconnection, attaining temper...<br/>[Phys. Rev. Lett. 103, 145002] Published Wed Sep 30, 2009 G. Fiksel, A. F. Almagri, B. E. Chapman, V. V. Mirnov, Y. Ren, J. S. Sarff, and P. W. Terry 2009-09-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.145002 Phys. Rev. Lett. 103, 145002 text/html article Physical Review Letters 103 14 2009-09-30T00:00:00-04:00 145002 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.145001 Author(s): M. Muraglia, O. Agullo, S. Benkadda, X. Garbet, P. Beyer, and A. Sen<br/>The nonlinear dynamics of magnetic tearing islands imbedded in a pressure gradient driven turbulence is investigated numerically in a reduced magnetohydrodynamic model. The study reveals regimes where the linear and nonlinear phases of the tearing instability are controlled by the properties of the ...<br/>[Phys. Rev. Lett. 103, 145001] Published Tue Sep 29, 2009 M. Muraglia, O. Agullo, S. Benkadda, X. Garbet, P. Beyer, and A. Sen 2009-09-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.145001 Phys. Rev. Lett. 103, 145001 text/html article Physical Review Letters 103 14 2009-09-29T00:00:00-04:00 145001 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.144801 Author(s): V. S. Morozov, A. W. Chao, A. D. Krisch, M. A. Leonova, R. S. Raymond, D. W. Sivers, V. K. Wong, and A. M. Kondratenko<br/>We used an rf solenoid to study the widths of rf spin resonances with both bunched and unbunched beams of 1.85  GeV/c polarized deuterons stored in the COSY synchrotron. With the unbunched beam at different fixed rf-solenoid frequencies, we observed only partial depolarization near the resonance...<br/>[Phys. Rev. Lett. 103, 144801] Published Mon Sep 28, 2009 V. S. Morozov, A. W. Chao, A. D. Krisch, M. A. Leonova, R. S. Raymond, D. W. Sivers, V. K. Wong, and A. M. Kondratenko 2009-09-28T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.144801 Phys. Rev. Lett. 103, 144801 text/html article Physical Review Letters 103 14 2009-09-28T00:00:00-04:00 144801 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.135004 Author(s): S. Kalmykov, S. A. Yi, V. Khudik, and G. Shvets<br/>The blowout (or bubble) regime of laser wakefield acceleration is promising for generating monochromatic high-energy electron beams out of low-density plasmas. It is shown analytically and by particle-in-cell simulations that self-injection of the background plasma electrons into the quasistatic pla...<br/>[Phys. Rev. Lett. 103, 135004] Published Fri Sep 25, 2009 S. Kalmykov, S. A. Yi, V. Khudik, and G. Shvets 2009-09-25T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.135004 Phys. Rev. Lett. 103, 135004 text/html article Physical Review Letters 103 13 2009-09-25T00:00:00-04:00 135004 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.135003 Author(s): T. Sokollik, M. Schnürer, S. Steinke, P. V. Nickles, W. Sandner, M. Amin, T. Toncian, O. Willi, and A. A. Andreev<br/>Laser-driven ion acceleration is capable of generating ion beams of MeV energy exhibiting unique attributes such as ultralow emittance. Research is still focusing on fundamental laser-target interactions to control further beam attributes. In this Letter we present the observation of directional ion...<br/>[Phys. Rev. Lett. 103, 135003] Published Fri Sep 25, 2009 T. Sokollik, M. Schnürer, S. Steinke, P. V. Nickles, W. Sandner, M. Amin, T. Toncian, O. Willi, and A. A. Andreev 2009-09-25T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.135003 Phys. Rev. Lett. 103, 135003 text/html article Physical Review Letters 103 13 2009-09-25T00:00:00-04:00 135003 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.135002 Author(s): Eduardo Ahedo and Manuel Martínez Sánchez<br/>Current-free double layers can develop in a collisionless, inertia-controlled plasma with two electron populations, expanding in a convergent-divergent nozzle. The double layer characteristics depend on whether they develop at the nozzle divergent side, convergent side, or throat. The divergent-geom...<br/>[Phys. Rev. Lett. 103, 135002] Published Thu Sep 24, 2009 Eduardo Ahedo and Manuel Martínez Sánchez 2009-09-24T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.135002 Phys. Rev. Lett. 103, 135002 text/html article Physical Review Letters 103 13 2009-09-24T00:00:00-04:00 135002 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.135001 Author(s): X. Q. Yan, H. C. Wu, Z. M. Sheng, J. E. Chen, and J. Meyer-ter-Vehn<br/>We report on a self-organizing, quasistable regime of laser proton acceleration, producing 1 GeV nanocoulomb proton bunches from laser foil interaction at an intensity of 7×10^{21}   W/cm^{2} . The results are obtained from 2D particle-in-cell simulations, using a circular polarized laser puls...<br/>[Phys. Rev. Lett. 103, 135001] Published Wed Sep 23, 2009 X. Q. Yan, H. C. Wu, Z. M. Sheng, J. E. Chen, and J. Meyer-ter-Vehn 2009-09-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.135001 Phys. Rev. Lett. 103, 135001 text/html article Physical Review Letters 103 13 2009-09-23T00:00:00-04:00 135001 Plasma and Beam Physics Plasma and Beam Physics http://link.aps.org/doi/10.1103/PhysRevLett.103.125001 Author(s): E. Westerhof, S. K. Nielsen, J. W. Oosterbeek, M. Salewski, M. R. De Baar, W. A. Bongers, A. Bürger, B. A. Hennen, S. B. Korsholm, F. Leipold, D. Moseev, M. Stejner, and D. J. Thoen the TEXTOR Team<br/>In tokamak plasmas with a tearing mode, strong scattering of high power millimeter waves, as used for heating and noninductive current drive, is shown to occur. This new wave scattering phenomenon is shown to be related to the passage of the O point of a magnetic island through the high power heatin...<br/>[Phys. Rev. Lett. 103, 125001] Published Mon Sep 14, 2009 E. Westerhof, S. K. Nielsen, J. W. Oosterbeek, M. Salewski, M. R. De Baar, W. A. Bongers, A. Bürger, B. A. Hennen, S. B. Korsholm, F. Leipold, D. Moseev, M. Stejner, and D. J. Thoen the TEXTOR Team 2009-09-14T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevLett.103.125001 Phys. Rev. Lett. 103, 125001 text/html article Physical Review Letters 103 12 2009-09-14T00:00:00-04:00 125001 Plasma and Beam Physics Plasma and Beam Physics