A simple model for Ar+-Ar, He+-He, Ne+-Ne and Kr+-Kr collisions

被引：18
|
作者：
Nanbu, K [1 ]
Wakayama, G [1 ]
机构：
[1] Tohoku Univ, Inst Fluid Sci, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1999年 / 38卷 / 10期
关键词：
ion-atom collision model; particle simulation; plasma; drift velocity; swarm parameter;
D O I：
10.1143/JJAP.38.6097
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A simple model for ion-atom collision with charge exchange is proposed to realize a computationally efficient particle simulation of plasmas. The model is a combination of isotropic scattering and charge switching. both occurring with the same probability. When an ion-atom collision cross section is chosen to be nearly twice as large as an atom-atom collision cross section, the measured ion drift velocities and transverse diffusion coefficients for Ar+ in Ar, He+ in He, Ne+ in Ne, and Kr+ in Kr can be reproduced with reasonable accuracy using the proposed model.
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页码：6097 / 6099
页数：3
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