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THE KINETIC RESPONSE OF A STOCHASTIC PLASMA TO LOW-FREQUENCY PERTURBATIONS

被引：28
作者：
HURRICANE, OA
PELLAT, R
CORONITI, FV
机构：
[1] Department of Physics, University of California, Los Angeles
来源：
GEOPHYSICAL RESEARCH LETTERS | 1994年 / 21卷 / 04期
关键词：
D O I：
10.1029/93GL03533
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Following suggestion that substorm breakup might be caused by an interchange or ballooning instability, several MHD and gyro-kinetic stability analysis have been performed for plasma sheet magnetic field geometries. However, the stochastic ion dynamics in the highly stressed, thin high-beta near earth plasma sheet violate the locality requirements of MHD and the invarience of the magnetic moment, mu, required by gyro-kinetic theories. In this paper we develop a new linear Vlasov kinetic theory (for low frequency modes omega < omega(b), omega(b) being the bounce frequency) which includes the dynamics of stochastic ions.
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页码：253 / 256
页数：4
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