Ion distributions associated with mirror waves in the Earth's magnetosheath

被引：20

作者：

Leckband, JA

Burgess, D

Pantellini, FGE

Schwartz, SJ

机构：

[1] Astronomy Unit, Queen Mary and Westfield College, London, E1 4NS, Mile End Road

来源：

PHYSICS OF COLLISIONLESS SHOCKS | 1995年 / 15卷 / 8-9期

关键词：

D O I：

10.1016/0273-1177(94)00115-H

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

We report on a study of ion velocity distribution functions in regions of mirror wave activity in the Earth's magnetosheath. Two cases of mirror waves are discussed, the first an episode of quasi-sinusoidal, ''linear'' waves, and the second consisting of monolithic, ''nonlinear'' structures. We have observed changes in the distribution functions from the peak of a mirror wave to the trough that can ndt be attributed to a simple MHD description of the mirror instability and show similarities to computer simulations and the linear kinetic theory for the instability.

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页码：345 / 348

页数：4

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