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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Reformulation and energy flow of the Cowling channel
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Reformulation and energy flow of the Cowling channel

机译：再形成和整流罩的能量流通道

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摘要

The question to which extent the divergence of the Hall current can be connected to the Pedersen current or to the closure current in the magnetosphere through field-aligned currents (FACs), that is, the Cowling channel process in the polar region, has long been debated but not fully understood. The present study reformulates the Cowling channel by introducing a two-layer model consisting of Hall and Pedersen conductivity layers with channel boundaries not only in the direction perpendicular to the channel but also in the direction along it. This new model enables us to better and more physically understand the connection between the Hall current, Pedersen current, and FAC. In particular, the finiteness of the channel along its direction enables us to understand that the primary nonzero electric field along the channel and FACs at the channel boundaries that faced each other in the channel direction carries the necessary energy for the Hall current to set up the secondary electric field from the magnetosphere. A case for a possible connection between the Pedersen and Hall currents is shown based on a polar current system derived from the Kamide-Richmond-Matsushita method. A more comprehensive analysis based on data is presented in the companion paper.
机译：程度上的分歧的问题霍尔电流可以连接到他当前或关闭当前磁气圈通过field-aligned电流(流式细胞仪),也就是说,整流罩通道过程中极地地区,长期以来一直争论而不是完全理解。整流罩通道通过引入一个两层模型组成的大厅和需要电导率与通道层边界只有在垂直于方向频道也沿着它的方向。新模型能使我们更好、更身体上的理解之间的联系彼得森霍尔电流、电流和前沿空中管制官。特别通道的有限性它的方向使我们能够理解的主要非零电场沿通道和流式细胞仪通道边界面对在通道方向进行霍尔电流设置必要的能量的二次电场磁气圈。皮德森和大厅之间的电流基于来自于极地电流系统Kamide-Richmond-Matsushita方法。提出了基于数据的综合分析的同伴。

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