Eigenfrequencies of Ion-Acoustic Waves in the Presence of Electron-Ion Collisions
ZHEHG Jian, YU Chang-Xuan
Department of Modern Physics, University of Science and Technology of China, Hefei 230027
Eigenfrequencies of Ion-Acoustic Waves in the Presence of Electron-Ion Collisions
ZHEHG Jian;YU Chang-Xuan
Department of Modern Physics, University of Science and Technology of China, Hefei 230027
关键词 ：
52.35.Fp ,
52.25.Dg
Abstract ： Frequencies and damping rate of ion-acoustic waves in the presence of electron-ion collisions are computed by reducing the linearized electron Fokker-Planck equation and cold-ion fluid equations to an eigenvalue equation via moment expansion of the perturbation of electron distribution function. As electrons becomes less collisional, a great number of Sonine modes are needed for convergence to a desired accuracy in the calculation, which may be ascribed to the neglected electron-electron collisions.
Key words ：
52.35.Fp
52.25.Dg
出版日期: 2000-09-01
:
52.35.Fp
(Electrostatic waves and oscillations (e.g., ion-acoustic waves))
52.25.Dg
(Plasma kinetic equations)
引用本文:
ZHEHG Jian;YU Chang-Xuan. Eigenfrequencies of Ion-Acoustic Waves in the Presence of Electron-Ion Collisions
[J]. 中国物理快报, 2000, 17(9): 680-682.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2000/V17/I9/680
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