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Storm-Time Evolution of Energetic Electron Pitch Angle Distributions by Wave-Particle Interaction

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成果类型:
期刊论文
作者:
Xiao Fuliang*;He Huiyong;Zhou Qinghua;Wu Guanhong;Shi Xianghua
通讯作者:
Xiao Fuliang
作者机构:
[Zhou Qinghua; Wu Guanhong; He Huiyong; Xiao Fuliang; Shi Xianghua] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410076, Peoples R China.
[Xiao Fuliang] Chinese Acad Sci, State Key Lab Space Weather, Beijing 100080, Peoples R China.
通讯机构:
[Xiao Fuliang] C
Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410076, Peoples R China.
语种:
英文
关键词:
wave-particle interaction;pitch-angle scattering;whistler waves;energetic electrons
关键词(中文):
波粒相互作用;散射;波动;电子
期刊:
等离子体科学与技术:英文版
ISSN:
1009-0630
年:
2008
卷:
10
期:
1
页码:
27-29
基金类别:
supported by National Natural Science Foundation of China (Nos. 40774078, 40404012, 40674076, 40474064) and the Visiting Scholar Foundation of State Key Laboratory of Space Weather, Chinese Academy of Sciences
机构署名:
本校为第一且通讯机构
院系归属:
物理与电子科学学院
摘要:
The quasi-pure pitch-angle scattering of energetic electrons driven by field-aligned propagating whistler mode waves during the 9~15 October 1990 magnetic storm at L≈ 3 ~ 4 is studied, and numerical calculations for energetic electrons in gyroresonance with a band of frequency of whistler mode waves distributed over a standard Gaussian spectrum is performed. It is found that the whistler mode waves can efficiently drive energetic electrons from the larger pitchangles into the loss cone, and lead to a flat-top distribution during the main pha...
摘要(中文):
The quasi-pure pitch-angle scattering of energetic electrons driven by field-alignedpropagating whistler mode waves during the 9~15 October 1990 magnetic storm at L≈3~4is studied,and numerical calculations for energetic electrons in gyroresonance with a band offrequency of whistler mode waves distributed over a standard Gaussian spectrum is performed.Itis found that the whistler mode waves can efficiently drive energetic electrons from the larger pitch-angles into the loss cone,and lead to a flat-top distribution during the main phase of ge...

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