Electron-inertia effects on magnetic field reconnection driven by perturbations on boundaries

被引：6
|
作者：
Shivamoggi, BK [1 ]
机构：
[1] Univ Calif Santa Barbara, Inst Theoret Phys, Santa Barbara, CA 93106 USA
[2] Univ Cent Florida, Orlando, FL 32816 USA
来源：
PHYSICS LETTERS A | 2001年 / 292卷 / 1-2期
关键词：
D O I：
10.1016/S0375-9601(01)00759-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this Letter, we consider electron-inertia effects on the magnetic field reconnection induced by perturbing the boundaries of a slab of plasma with a magnetic neutral surface inside. The subsequent evolution of the current sheet formed at the magnetic neutral surface via ideal MHD development is found to be divided into two distinct stages: (1) the electron-inertia stage for small times (when the current sheet is very narrow); (2) the resistive-diffusion stage for large times. The current sheet mainly undergoes exponential damping in the electron-inertia regime while the bulk of the diffusion occurs in the resistivity regime. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：134 / 140
页数：7
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