真空中球形等离子体的荷电态
Charged State of a Spherical Plasma in Vacuum
摘要：
在离子不动和弱碰撞的限制下，研究了球对称等离子体位形的定态。小半径的电子束带正电，因为在平衡过程中电子总数的很大一部分蒸发，留下具有能量截止的电子分布函数。这种带电的等离子体结构是感兴趣的库仑爆炸和离子加速的研究从小集群照射的超强激光脉冲和离子束在等离子体中的传播的调查。
英文摘要：
The stationary state of a spherically symmetric plasma configuration is investigated in the limit of immobile ions and weak collisions. Configurations with small radii are positively charged as a significant fraction of the electron population evaporates during the equilibration process, leaving behind an electron distribution function with an energy cutoff. Such charged plasma configurations are of interest for the study of Coulomb explosions and ion acceleration from small clusters irradiated by ultraintense laser pulses and for the investigation of ion bunches propagation in a plasma.
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