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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Electron Energization by Parallel Electric Fields in Poloidal StandingWaves
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Electron Energization by Parallel Electric Fields in Poloidal StandingWaves

机译：电子激发的电场平行在极向StandingWaves

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摘要

A hybrid gyrofluid-kinetic electron model is adapted and used to simulate poloidal standing modes for different electron temperatures and azimuthal mode numbers. As in previous studies of toroidal standing modes, mirror force effects lead to increased parallel potential drops, monoenergetic electron energization, and wave energy dissipation as the ambient electron temperature is increased. A similar trend is also observed when the electron temperature is held fixed and the azimuthal mode number increased-owing to the narrowing of the azimuthal flux tube width, which necessitates more electron energization to carry the increased parallel current density. In both cases, the increase in electron energization eventually leads to more rapid decreases in the parallel current with time because of the dissipation of wave energy.
机译：一个混合gyrofluid-kinetic电子模型改编并用于模拟极向站针对不同的电子温度和模式方位模式数字。环形站模式,镜像力的影响导致平行潜力下降,单色的电子激发,波能量耗散的电子环境温度增加。观察到当电子温度固定和方位模式数字increased-owing方位的缩小通量管宽度,这需要更多的电子通电,增加平行电流密度。电子激发最终导致更多随着时间的推移,平行电流迅速减小因为波能量的耗散。

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    P. A. Damiano; E.-H. Kim; J. R. JohnsonP. Porazik;

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    Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK, USA;

    Lawrence Livermore National Laboratory,Livermore, CA, USA;

    Department of Engineering and Computer Science, Andrews University, Berrien Springs, MI, USAPrinceton Plasma Physics Laboratory, Princeton University, Princeton, NJ, USA;

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