Three-dimensional MHD simulations of forced magnetic reconnection

被引:0
|
作者
S. V. Bulanov
E. Yu. Echkina
I. N. Inovenkov
F. Pegoraro
V. V. Pichushkin
机构
[1] Russian Academy of Sciences,Institute of General Physics
[2] Moscow State University,undefined
[3] University of Pisa and National Institute of Physics of Matter,undefined
来源
Plasma Physics Reports | 2001年 / 27卷
关键词
Magnetic Field; Electric Current; Current Sheet; Plasma Flow; Magnetic Reconnection;
D O I
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中图分类号
学科分类号
摘要
Results are presented from MHD simulations of three-dimensional flows of a high-conductivity plasma in the vicinity of a null point of a magnetic field. The excitation of an electric current at the boundary of the computation region results in self-consistent plasma flows and change in the structure of the magnetic field. Generally, in the vicinity of a null point, an MHD singularity arises that manifests itself in the formation of locally plane current sheets. It is shown that the current sheet can be oriented either along the separatrix surface of a magnetic configuration or perpendicular to it, except for axisymmetric configurations (or close to them), when the excitation of an electric current in the direction orthogonal to the separatrix surface does not lead to the formation of a current sheet.
引用
收藏
页码:315 / 322
页数:7
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