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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Current sheet flapping motions in the tailward flow of magnetic reconnection
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Current sheet flapping motions in the tailward flow of magnetic reconnection

机译：电流片tailward拍打动作磁场重联的流

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摘要

The feature and origin of current sheet flapping motions are one of most interesting issues of magnetospheric dynamics. In this paper we report the flapping motion of the current sheet detected in the tailward flow of a magnetic reconnection event on 7 February 2009. This flapping motion with frequency about 12 mHz was accompanied by magnetic turbulence. The observations by the tail-elongated fleet of five Time History of Events and Macroscale Interactions during Substorms probes indicate that these flapping oscillations were rather confined within the tailward flow than were due to a global process. This flapping motion could be due to the instability driven by the free energy associated with the ion temperature anisotropy in the tailward flow. Our observations indicate that the flapping motion in the tailward flow could have a different generation mechanism with that in the earthward flow.
机译：电流片的特性和起源拍打运动是最有趣的问题之一磁性层的动态。当前表的拍打运动检测tailward流的磁重联2009年2月7日的事件。关于12 mHz伴随着频率磁动荡。tail-elongated舰队5时间的历史在事件和大规模交互亚暴的调查表明,这些拍打振荡相当局限内tailward流相比,由于全球的过程。这拍打运动可能是由于不稳定的相关的自由能离子温度各向异性tailward流。拍打运动tailward流中的可能不同的一代的价格机制向地面的流。

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