Effects of Charge in Heavy Ions on Solitary Kinetic Alfvén Waves in Double-Ion Plasmas
YANG Lei1,2 , WU De-Jin1
1 Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008
2 Graduate School of the Chinese Academy of Sciences, Beijing 100049
Effects of Charge in Heavy Ions on Solitary Kinetic Alfvén Waves in Double-Ion Plasmas
YANG Lei1,2 ;WU De-Jin1
1 Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008
2 Graduate School of the Chinese Academy of Sciences, Beijing 100049
关键词 ：
52.35.Sb ,
52.30.Ex ,
94.30.Tz
Abstract ： After the charge of heavy ions is considered, a Sagdeev equation is obtained for the solitary kinetic lfvén waves (SKAWs) in a low-β (me /mp « β « or mp /me » α » 1), three-component (electrons, protons, and highly charged heavy ions) plasma. Numerical results show that the charge number q of heavy ions can cause the width of the solitary structure to decrease, but increase for the maximum of electron density nem ≤ 1.2 and the initial abundance of heavy ions Cb0 ≤ 0.1. The parallel phase speed of the waves increases with larger q.
Key words ：
52.35.Sb
52.30.Ex
94.30.Tz
出版日期: 2006-08-01
:
52.35.Sb
(Solitons; BGK modes)
52.30.Ex
(Two-fluid and multi-fluid plasmas)
94.30.Tz
(Electromagnetic wave propagation)
引用本文:
YANG Lei;WU De-Jin. Effects of Charge in Heavy Ions on Solitary Kinetic Alfvén Waves in Double-Ion Plasmas[J]. 中国物理快报, 2006, 23(8): 2155-2157.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I8/2155
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