无碰撞漂移麦克斯韦等离子体中导电球体悬浮电荷的平衡概率分布
等离子体物理
2014-01-28 v3
摘要
等离子体中的尘埃颗粒具有波动的电荷,以往的研究结论表明,在静止、无碰撞等离子体中的球形颗粒,其电荷概率分布本质上是高斯分布。本文将该研究扩展至流动等离子体和任意大小的球体,推导出了归一化常数之前的解析电荷概率分布。我们发现这些分布也具有良好的高斯近似,并给出了其均值和方差的解析表达式。
引用
@article{arxiv.1305.5763,
title = {Equilibrium probability distribution of a conductive sphere's floating charge in a collisionless, drifting Maxwellian plasma},
author = {Drew M. Thomas and Michael Coppins},
journal= {arXiv preprint arXiv:1305.5763},
year = {2014}
}
备注
10 pages & 6 figures. v3 corrects two typos in published version (missing slash added in denom. of eq. 66 and, on the same page, an order-of estimate's fixed to O(1/{\alpha}))