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期刊论文

Ion-collisional effects on ion-acoustic waves: an eigenvalue technique via moment expansion

郑坚Jian Zheng and C X Yu

Plasma Phys. Control. Fusion 42(2000)435-441. Printed in the UK,-0001,():

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Abstract. A numerical solution to the linearized ion Fokker-Planck (FP) equation is presented. By reducing the FP equation to an eigenvalue problem via moment expansion of a perturbed ion distribution function, the frequencies and damping rates of ion-acoustic waves and the specific heat ratio are calculated. Numerical calculation shows that this technique is very efficient, as ion Landau damping is negligible in comparison with collisional damping.

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版权说明:以下全部内容由郑坚上传于   2005年07月11日 17时38分31秒,版权归本人所有。

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