Energy Flux due to Electromagnetic Fluctuations during Guide Field Magnetic Reconnection

被引：1
|
作者：
Kuwahata, Akihiro [1 ]
Inomoto, Michiaki [1 ]
Yanai, Ryoma [2 ]
Ono, Yasushi [1 ]
机构：
[1] Univ Tokyo, Kashiwa, Chiba 2778561, Japan
[2] Univ Tokyo, Tokyo 1130032, Japan
来源：
PLASMA AND FUSION RESEARCH | 2016年 / 11卷
关键词：
electromagnetic fluctuation; guide field magnetic reconnection; fast reconnection; energy conversion; ion heating and acceleration;
D O I：
10.1585/pfr.11.1301087
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Large electromagnetic fluctuations inside the current sheet and large reconnection electric fields are observed during fast magnetic reconnection in the presence of a guide field. The fluctuations transport 2.5% of the dissipated magnetic energy from the reconnection region. Although the energy gains of the ions and electrons are approximately 60% and 12%, respectively, of the dissipated magnetic energy after the fast reconnection, the energy of fluctuations is not comparable to their energy gains. The fluctuations do not directly contribute to the energy conversion but might cause the fast reconnection leading to the rapid release of magnetic energy. (C) 2016 The Japan Society of Plasma Science and Nuclear Fusion Research
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页数：5
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