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日冕背景下的等离子体尾场效应
Alternative TitleTHE PLASMA WAKE FIELD BY SOLAR HIGHENERGY ELECTRONS IN SOLAR CORONA
汪学毅; 黄永年; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication空间科学学报
1994
Volume14Issue:4Pages:260-268
ISSN0254-6124
Language中文
Keyword等离子体尾场 加速 日冕
Abstract计算了高能脉冲电子束在冷背景和热背景等离子体条件下产生的等离子体尾场(PWF)大小,讨论了高能电子束的速度、密度、长度对等离子体尾场分布的影响.在这基础上,研究了太阳耀斑脉冲相产生的向外逃逸高能脉冲电子束在日冕背景等离子体条件下激发的等离子体尾场分布以及对其捕获电子的加速.
Other AbstractIn this paper we have calculated the plasma wake fields(PWFs) excited by the interaction of high-energy electron beam with cold and hot plasma, and discussed the effects of electron beam speed, density and its length on PWFs. Based on the obtained results, we have studied τ-profiles of PWFs resulted from the interactions of high energy electron beams produced during a solar impulsive flare with the cororonal plasma, and acceleration of lower energy electrons by this PWFs in the corona. Here τ=ωp(t-x/vb) where。,ωp(4πne/m,) and t,is time,x the axis along the diraction of electron beam velocity, v6 the speed of electron beam, no plasma density in the corona, and m, the rest mass of electron.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1233
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
汪学毅,黄永年,北京8701信箱. 日冕背景下的等离子体尾场效应[J]. 空间科学学报,1994,14(4):260-268.
APA 汪学毅,黄永年,&北京8701信箱.(1994).日冕背景下的等离子体尾场效应.空间科学学报,14(4),260-268.
MLA 汪学毅,et al."日冕背景下的等离子体尾场效应".空间科学学报 14.4(1994):260-268.
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