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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Current-voltage relation of a centrifugally confined plasma
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Current-voltage relation of a centrifugally confined plasma

机译：离心的电流电压关系在等离子体

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Observations of Jupiter's auroral regions indicate that electrons are accelerated into Jupiter's atmosphere creating emissions. The acceleration of the electrons intimate that parallel electric fields and field-aligned currents develop along the flux tubes which connect the equatorial plane to the areas with auroral emission. The relationship between the development of parallel electric fields and the parallel currents is often assumed to be the same as that on Earth. However, the relationship is significantly different at Jupiter due to a lack of plasma at high latitudes as large centrifugal forces caused by Jupiter's fast rotation period (about 9.8 h) constrain the magnetospheric plasma to the equatorial plane. We use a 1-D spatial, 2-D velocity space Vlasov code which has been modified to include centrifugal forces to examine the current-voltage relationship that exists at Jupiter. In particular, we investigate this relationship at a distance of 5.9 Jovian radii, the orbital radius of Io, which is coupled with the auroral spot and Io wake auroral emissions.
机译：观察木星的极光区域显示电子加速到木星大气中创建的排放。电子的亲密,电动平行字段和field-aligned潮流发展赤道平面的通量管连接极光的地区排放。并行的发展之间的关系电场平行电流通常被认为是地球上一样。然而,有显著的关系在木星由于缺乏不同等离子体高纬度地区大离心力引起的木星的快速旋转周期(约9.8小时)限制的磁性层的等离子体赤道平面。速度空间弗拉索夫代码修改为包括检查离心力电流电压关系存在木星。关系的距离5.9威风凛凛的半径,Io的轨道半径,再加上极光的地方和Io极光后排放。

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