论文标题

顶部重新连接

Topside Reconnection

论文作者

Treumann, R. A., Baumjohann, Wolfgang

论文摘要

有人提出,重新连接将是在顶侧电离层/高纬度磁层转变中的高尺度尺度上的血浆过程的主要机制。它发生在两个狭窄间隔的两个狭窄平行之间的向下电流区域中,尽管向下的电流板分开。电场对准电流是通过关闭相邻区域中向上电流的向上冷上层电子的携带。这种本地过程主要不影响环境场,而是会产生异常的扩散率。

It is proposed that reconnection would be a main mechanism governing the plasma processes on auroral time scales in the topside ionosphere/high-latitude magnetosphere transition. It occurs in the downward current region between two narrow parallel closely spaced though separated downward current sheets. The field-aligned currents are carried by upward cold upper-ionospheric electrons closing the upward current in an adjacent region. This local process does primarily not affect the ambient field but generates an anomalous diffusivity.

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