Zobrazeno 1 - 10
of 427
pro vyhledávání: '"Tzoufras, M. A."'
Autor:
Sahai, Aakash A., Katsouleas, T. C., Bingham, R. A., Tsung, F. S., Tableman, A. R., Tzoufras, M., Mori, W. B.
Publikováno v:
Proceedings of IPAC2012, pp.2654-2656, 07 Accelerator Technology and Main Systems, T25 Lasers, ISBN 978-3-95450-115-1
We analyze the use of a relativistic laser pulse with a controlled frequency chirp incident on a rising plasma density gradient to drive an acceleration structure for proton and light-ion acceleration. The Chirp Induced Transparency Acceleration (ChI
Externí odkaz:
http://arxiv.org/abs/1405.4309
Autor:
Tzoufras, M., Lu, W., Tsung, F. S., Huang, C., Mori, W. B., Katsouleas, T., Vieira, J., Fonseca, R. A., Silva, L. O.
Publikováno v:
Phys.Rev.Lett.101:145002,2008
A theory that describes how to load negative charge into a nonlinear, three-dimensional plasma wakefield is presented. In this regime, a laser or an electron beam blows out the plasma electrons and creates a nearly spherical ion channel, which is mod
Externí odkaz:
http://arxiv.org/abs/0809.0227
Autor:
Vieira, J., Fiuza, F., Fonseca, R. A., Silva, L. O., Huang, C., Lu, W., Tzoufras, M., Tsung, F. S., Decyk, V., Mori, W. B., Cooley, J., Antonsen Jr, T.
We use the quasi-static particle-in-cell code QuickPIC to perform full-scale, one-to-one LWFA numerical experiments, with parameters that closely follow current experimental conditions. The propagation of state-of-the-art laser pulses in both preform
Externí odkaz:
http://arxiv.org/abs/0806.3637
Autor:
Vieira, J. F., Martins, S. F., Fiuza, F., Fonseca, R. A., Silva, L. O., Huang, C., Lu, W., Tzoufras, M., Tsung, F. S., Mori, W. B., Cooley, J., Antonsen Jr, T.
Three-dimensional Particle-in-Cell (PIC) simulations with the code QuickPIC are used to illustrate the typical accelerating structures associated with the interaction of an intense laser beam with an underdense plasma in the blowout regime. Our simul
Externí odkaz:
http://arxiv.org/abs/0803.1472
Autor:
Lu, W., Tzoufras, M., Joshi, C., Tsung, F. S., Mori, W. B., Vieira, J., Fonseca, R. A., Silva, L. O.
Publikováno v:
Phys.Rev.STAccel.Beams10:061301,2007
The extraordinary ability of space-charge waves in plasmas to accelerate charged particles at gradients that are orders of magnitude greater than in current accelerators has been well documented. We develop a phenomenological framework for Laser Wake
Externí odkaz:
http://arxiv.org/abs/physics/0612227
Publikováno v:
Mon.Not.Roy.Astron.Soc.372:1851-1855,2006
The dynamics of two counter-streaming electron-positron-ion unmagnetized plasma shells with zero net charge is analyzed in the context of magnetic field generation in GRB internal shocks due to the Weibel instability. The effects of large thermal mot
Externí odkaz:
http://arxiv.org/abs/astro-ph/0608519
Autor:
Ren, C., Tzoufras, M., Tonge, J., Mori, W. B., Tsung, F. S., Fiore, M., Fonseca, R. A., Silva, L. O., Adam, J. -C., Heron, A.
The results from 2.5-dimensional Particle-in-Cell simulations for the interaction of a picosecond-long ignition laser pulse with a plasma pellet of 50-$\mu m$ diameter and 40 critical density are presented. The high density pellet is surrounded by an
Externí odkaz:
http://arxiv.org/abs/physics/0601200
Autor:
Thomas, A.G.R., Tzoufras, M., Robinson, A.P.L., Kingham, R.J., Ridgers, C.P., Sherlock, M., Bell, A.R.
Publikováno v:
In Journal of Computational Physics 2012 231(3):1051-1079
Publikováno v:
In Journal of Computational Physics 2011 230(17):6475-6494
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