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
收藏
页码：415 / 420
页数：6
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