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Whistler-Mode Waves Growth by a Generalized Relativistic Kappa-Type Distribution

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成果类型:
期刊论文
作者:
Zhou Qing-Hua*;Jiang Bin;Shi Xiang-Hua;Li Jun-Qiu
通讯作者:
Zhou Qing-Hua
作者机构:
[Shi Xiang-Hua; Jiang Bin; Zhou Qing-Hua; Li Jun-Qiu] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410076, Peoples R China.
[Zhou Qing-Hua] Chinese Acad Sci, State Key Lab Space Weather, Beijing 100080, Peoples R China.
通讯机构:
[Zhou Qing-Hua] C
Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410076, Peoples R China.
语种:
英文
关键词:
No English Keywords
关键词(中文):
广义相对论;波动生长;模式波;空间等离子体;相对论电子;配电;数值计算方法;频率分布
期刊:
中国物理快报:英文版
ISSN:
0256-307X
年:
2009
卷:
26
期:
2
页码:
184-187
基金类别:
Supported by the National Natural Science Foundation of China under Grant Nos 40774078, 40774079 and 40874076, 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 instability of field-aligned Whistler-mode waves in space plasmas is studied by using a recently developed generalized relativistic kappa-type(KT)distribution.Numerical calculations are performed for a direct compar-ison between the new KT distribution and the current kappa distribution.We show that the wave growth for the KT distribution tends to occur in the lower wave frequency(e.g.,ω(≤)0.1Ω_e)due to a larger fractional num-ber of the resonant electrons ηrel(which controls the wave growth),while primarily locating in the higher wave ...

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