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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Illustration of Cowling channel coupling to the shear Alfven wave
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Illustration of Cowling channel coupling to the shear Alfven wave

机译：插图的整流罩的通道耦合剪切阿尔芬波

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摘要

[1] Decomposition of horizontally extended current system into components in the polarization processes and extraction of Cowling channel defined in the companion paper embedded in the total current system are numerically demonstrated. We successfully visualize the background and polarization components in the magnetosphere-ionosphere coupling process by using the proposed theoretical framework. As a fundamental response, the polarization charge produced by the Pedersen current divergence has a role to cancel and intensify the ambient background electric field inside and outside the high-conductivity band, respectively. In contrast, the polarization charge produced by the Hall current divergence has a role to rotate the electric field from the background electric field, which causes a meandering of ionospheric convection flow along the boundary of a high-conductivity band. The Hall and Pedersen currents are always perpendicular to each other. They never close each other when conductances are homogeneous, but they can do that at the conductivity gradient region. This is the reason why a Hall polarization charge is induced and a resultant Cowling channel is formed.
机译：[1]分解水平扩展在极化系统组件流程和提取整流罩通道定义在同伴中嵌入系统总电流数值演示。背景和极化组件magnetosphere-ionosphere耦合过程利用提出的理论框架。基本反应,极化电荷皮德森电流产生的散度有一个取消,加强环境中的作用背景电场内部和外部的分别高导电性的乐队。相比之下,产生的极化电荷霍尔电流分流作用来旋转从背景电电场领域,引起电离层的蜿蜒沿着边界的对流流动高导电性乐队。电流总是互相垂直。他们从不关闭彼此当电导均匀,但他们能做到这一点导电率梯度地区。为什么一个大厅极化电荷诱导和吗合成整流罩通道就形成了。

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