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Physics of Plasmas : Ion-acoustic solitary waves and their interaction in a weakly relativistic two dimensional thermal plasma

By Jiu-ning Han, Sheng-lin Du, and Wen-shan Duan

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Book Id: WPLBN0002169628
Format Type: PDF eBook :
File Size: Serial Publication
Reproduction Date: 24 November 2008

Title: Physics of Plasmas : Ion-acoustic solitary waves and their interaction in a weakly relativistic two dimensional thermal plasma  
Author: Jiu-ning Han, Sheng-lin Du, and Wen-shan Duan
Volume: Issue : November 2008
Language: English
Subject: Science, Physics, Natural Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Physics of Plasmas Collection
Historic
Publication Date:
Publisher: American Institute of Physics

Description
Description: This paper discusses the existence of ion-acoustic solitary waves and their interaction in a weakly relativistic two-dimensional thermal plasma. Two Korteweg–de Vries equations for small but finite amplitude solitary waves in both ξ and η directions are derived. The phase shifts and trajectories of two solitary waves after the collision with an arbitrary angle α are also obtained. The effects of parameters of the normalized ion temperature σ, the ratio of heat capacity δ, the relativistic factor Fγ, and the colliding angle α on the amplitudes, the widths and the phase shifts of both the colliding solitary waves are studied. The effects of these parameters on the new nonlinear wave created by the collision between two solitary waves are examined as well. The results suggest that these parameters can significantly influence the amplitude, the width of the newly formed nonlinear wave and the colliding solitary waves. The phase shifts of the colliding solitary waves strongly depend on the colliding angle α. Moreover, there are compressive solitary waves in such a system.

 

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