Energy deposition of relativistic electron beam in plasmas

liu zhan-jun; zheng chun-yang; li bin; zhu shao-ping; cao li-hua

Volume 17 Issue 01

Jan. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(01): 0-

an xiao-xia, yu li, huang chao, et al. Discharge characteristics of slope and plane surface discharge radiation sources[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

liu zhan-jun, zheng chun-yang, li bin, et al. Energy deposition of relativistic electron beam in plasmas[J]. High Power Laser and Particle Beams, 2005, 17.

an xiao-xia, yu li, huang chao, et al. Discharge characteristics of slope and plane surface discharge radiation sources[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

liu zhan-jun, zheng chun-yang, li bin, et al. Energy deposition of relativistic electron beam in plasmas[J]. High Power Laser and Particle Beams, 2005, 17.

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Energy deposition of relativistic electron beam in plasmas

1.
Institute of Applied Physics and Computational Mathematics,P.O.Box 8009,Beijing 100088,China

Publish Date: 2005-01-15

Abstract

Abstract

Weibel instability is studied by three dimensional particle in cell simulation code LARED-P. The generated magnetic field and currents by Weibel instability present filamentary structure. When the Weibel instability reaches the saturation stage, the current filaments begin to interact with each other. The relativistic electron beam deposits part of its energy into the plasmas through instabilities. For 10 MeV electrons, when the beam electron density concentrates 5% of the total electron density, 14% energy of beam can be deposited at last. The dispersion relation in this case also deduced, the growth rate is obtained in some simple cases.
- collective interaction,
- weibel instability,
- particle in cell simulation,
- energy deposit

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