Journal Article

PreJuSER-5388

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Detailed Particle-in-cell Simulation on the Transport of a Relativistic Electron Beam in Plasmas

Karmakar, A.FZJ* ; Kumar, C. M. N. ; Pukhov, A. ; Polomarov, O. ; Shvets, G.

2009
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/9326  doi:10.1103/PhysRevE.80.016401

Abstract: We present comprehensive two-dimensional (2D) particle-in-cell (PIC) simulations on the transport of a relativistic electron beam in a plasma in the context of fast ignition fusion. The 2D PIC simulations are performed by constructing two different simulation planes and have shown the complete stabilization and destabilization of the Weibel instability due to the beam temperature and background plasma collisions, respectively. Some three-dimensional PIC simulation results on the filamentary structures are also shown thereby further shedding light on the filamentation of the electron beam in plasmas. The linear growth rates of fastest growing mode in the beam-plasma system are compared with a theoretical model developed and are found in good agreement with each other.

Keyword(s): J

Note: This work was supported by the DFG through TR-18 project and the U. S. Department of Energy Grants No. DEFG02-04ER41321 and No. DE-FG02-04ER54763. The work of A. K. was partially supported by the Alliance Program of the Helmholtz Association (Grant No. HA216/EMMI).

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Contributing Institute(s):

1. Jülich Supercomputing Centre (JSC)

Research Program(s):

1. Scientific Computing (P41)

Appears in the scientific report 2009

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