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太阳高能电子束通过空间振荡轴向场产生的电磁不稳定性
Alternative TitleELECTROMAGNETIC INSTABILITY PRODUCED BY SOLAR ELECTRON BEAM THROUGH LONGITUDINAL FIELD WITH OSCILLATION
汪学毅; 衣嵘; 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
1997
Volume17Issue:2Pages:118-123
ISSN0254-6124
Language中文
Keyword相对论电子束 空间振荡场 电磁不稳定性
Abstract本文基于太阳高能电子和日免区开放场及行星磁场特征,建立了相对论电子束与伴有空间变化的轴向场相互作用模型,用数值方法研究了该体系产生的电磁不稳定性,结果指出只有当太阳能高能电子束速度和空间振荡场波数大到一定程度时,该和可激右旋电磁模不稳定性,当太阳高能电子束逐一日免和行星际空间时,激发具有波频向低频漂移特征的电磁波.
Other AbstractA model on the interactions of relativistic electrons and magnetic field with space oscillation is put forward based on the observational characteristics of solar high-energy electrons and opened magnetic field in corona and in interplanetary medium.Numerical method is used to study R-mode cyclotron electromagnetic instability which is excited by electron beam going through longitudinal field with space oscillation, when some initial conditions are satisfied such as the velocity of beam and the wave number of oscillation field.The electromagnetic wave with low-frequency drift may be excited when solar high-energy electrons pass through corona and interplanetary medium.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1427
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
汪学毅,衣嵘,北京8701信箱. 太阳高能电子束通过空间振荡轴向场产生的电磁不稳定性[J]. 空间科学学报,1997,17(2):118-123.
APA 汪学毅,衣嵘,&北京8701信箱.(1997).太阳高能电子束通过空间振荡轴向场产生的电磁不稳定性.空间科学学报,17(2),118-123.
MLA 汪学毅,et al."太阳高能电子束通过空间振荡轴向场产生的电磁不稳定性".空间科学学报 17.2(1997):118-123.
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