Nonlinear two-stream instabilities as an explanation for auroral bipolar wave structures

被引：168
作者：
Goldman, MV [1 ]
Oppenheim, MM [1 ]
Newman, DL [1 ]
机构：
[1] Univ Colorado, Ctr Integrated Plasma Studies, Boulder, CO 80309 USA
来源：
GEOPHYSICAL RESEARCH LETTERS | 1999年 / 26卷 / 13期
关键词：
D O I：
10.1029/1999GL900435
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The evolution of two counter-streaming electron beams is shown by means of 2-D kinetic simulations to lead to electron distributions and coherent localized bipolar plasma wave structures with features similar to those measured by the FAST satellite in the auroral ionosphere. Electrostatic whistler waves are generated at later times when the bipolar structures begin to lose coherence and break up in the dimension transverse to the geomagnetic field.
引用
收藏
页码：1821 / 1824
页数：4
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