Nonlinear evolution of lower-hybrid drift instability in Harris current sheet

被引：0
|
作者：
Guo Fan [1 ,2 ]
Lu Quan-Ming [1 ,2 ]
Guo Jun [3 ]
Wang Shui [1 ]
机构：
[1] Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China
[2] Chinese Acad Sci, Key Lab Space Weather, Ctr Space Sci & Appl Res, Beijing 100080, Peoples R China
[3] Qingdao Univ Sci & Technol, Sch Math & Phys, Qingdao 266041, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 07期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We perform 2.5-dimensional particle-in-cell simulations to investigate the nonlinear evolution of the lower hybrid drift instability (LHDI) in Harris current sheet. Due to the drift motion of electrons in the electric field of the excited low hybrid drift (LHD) waves, the electrons accumulate at the outer layer, and therefore there is net positive charge at the inner edge of the current sheet. This redistribution of charge can create an electrostatic field along the z direction, which then modifies the motions of the electrons along the y direction by E x B drift. This effect strongly changes the structure of the current sheet.
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页码：2725 / 2728
页数：4
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