Finite length thermal equilibria of a pure electron plasma column
Finite length thermal equilibria of a pure electron plasma column
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纯电子等离子体柱的有限长度热平衡
DOI：
10.1063/1.862578
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发表时间：
1979
影响因子：
4.6
通讯作者：
T. M. O'Neil
中科院分区：
文献类型：
--
作者：
S. Prasad;T. M. O'Neil
纯电子等离子体的电子可以彼此处于热平衡，并且仍然被静态磁场和电场限制。由于电子对电场有重要贡献，只有某些密度分布符合泊松方程。研究了有限长圆柱的这类分布。在德拜长度比圆柱尺寸小的极限，密度在某一旋转曲面外基本上是常数，然后福尔斯突然下降。当沿旋转曲面的局部法线沿着测量并根据德拜长度进行缩放时，密度衰减是一个普适函数。回转面形状的解，可简化到德拜长度为零的极限。
The electrons of a pure electron plasma may be in thermal equilibrium with each other and still be confined by static magnetic and electric fields. Since the electrons make a significant contribution to the electric field, only certain density profiles are consistent with Poisson’s equation. The class of such distributions for a finite length cylindrical column is investigated. In the limit where the Debye length is small compared with the dimensions of the column, the density is essentially constant out to some surface of revolution and then falls off abruptly. The falloff in density is a universal function when measured along the local normal to the surface of revolution and scaled in terms of the Debye length. The solution for the shape of the surface of revolution is simplified by passage to the limit of zero Debye length.