首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Electron Trapping in Magnetic Mirror Structures at the Edge of Magnetopause Flux Ropes
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Electron Trapping in Magnetic Mirror Structures at the Edge of Magnetopause Flux Ropes

机译:电子捕获在磁镜结构磁层的边缘通量绳

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摘要

Flux ropes are a proposed site for particle energization during magnetic reconnection,with several mechanisms proposed. Here, Magnetospheric Multiscale mission observations of magnetic mirror structures on the edge of two ion-scale magnetopause flux ropes are presented. Donutshaped features in the electron pitch angle distributions provide evidence for electron trapping in the structures. Furthermore, both events show trapping with extended 3D structure along the body of the flux rope. Potential formation mechanisms, such as the magnetic mirror instability, are examined and the evolutionary states of the structures are compared. Pressure and force analysis suggest that such structures could provide an important electron acceleration mechanism for magnetopause flux ropes, and for magnetic reconnection more generally.
机译:通量绳是提出了粒子的网站通电时,磁场重联提出了几种机制。多尺度观测磁边缘的两个ion-scale镜结构磁层通量绳。Donutshaped特性在电子螺旋角电子分布提供依据捕获的结构。事件显示捕获扩展的三维结构沿着身体的通量绳。形成机制,如磁镜不稳定,并从中得到进化州的结构进行了比较。和力分析表明这种结构可以提供一个重要的电子加速磁层机制通量绳,磁重联更普遍。

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