Interplay of collisions and temperature on the filamentary structures of a relativistic electron beam in plasmas

被引：4

作者：

Kumar, Naveen ^{[1
]}

Karmakar, A. ^{[2
]}

Pukhov, A. ^{[1
]}

Shvets, G. ^{[3
,4
]}

机构：

[1] Univ Dusseldorf, Inst Theoret Phys 1, D-40225 Dusseldorf, Germany

[2] Forschungszentrum Julich, Julich Supercomp Ctr, Inst Adv Simulat, D-52425 Julich, Germany

[3] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[4] Univ Texas Austin, Inst Fus Studies, Austin, TX 78712 USA

来源：

EUROPEAN PHYSICAL JOURNAL D | 2009年 / 55卷 / 02期

关键词：

WEIBEL INSTABILITY; ELECTROMAGNETIC-INSTABILITY; FAST IGNITION; TRANSPORT; SCENARIOS;

D O I：

10.1140/epjd/e2009-00102-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A systematic study on the Weibel instability induced filamentation of a relativistic electron beam is made by including the effects of collisions and temperature. The stabilization and de-stabilization of the beam filamentation due to beam temperature and plasma collisions, respectively, is explored through an analytical model and PIC simulations. The de-stabilization of the beam filamentation is attributed to the collision driven negative energy wave generation in the beam plasma system.

引用

页码：415 / 420

页数：6

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