Chaos, Solitons and Fractals, ( ISI ), Volume (42), No (5), Year (2009-12) , Pages (2904-2913)

Title : ( Solitary waves in dusty plasmas with variable dust charge and two temperature ions )

Authors: H.R.Pakzad , Kurosh Javidan ,

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Propagation of nonlinear waves in dusty plasmas with variable dust charge and two temperature ions is analyzed. The Kadomtsev–Petviashivili (KP) equation is derived by using the reductive perturbation theory. A Sagdeev potential for this system has been proposed. This potential is used to study the stability conditions and existence of solitonic solutions. Also, it is shown that a rarefactive soliton can be propagates in most of the cases. The soliton energy has been calculated and a linear dispersion relation has been obtained using the standard normal-modes analysis. The effects of variable dust charge on the amplitude, width and energy of the soliton and its effects on the angular frequency of linear wave are discussed too. It is shown that the amplitude of solitary waves of KP equation diverges at critical values of plasma parameters. Solitonic solutions of modified KP equation with finite amplitude in this situation are derived.

Keywords

, soliton, ion, dust,
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@article{paperid:1011588,
author = {H.R.Pakzad and Javidan, Kurosh},
title = {Solitary waves in dusty plasmas with variable dust charge and two temperature ions},
journal = {Chaos, Solitons and Fractals},
year = {2009},
volume = {42},
number = {5},
month = {December},
issn = {0960-0779},
pages = {2904--2913},
numpages = {9},
keywords = {soliton; ion; dust; plasma},
}

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%0 Journal Article
%T Solitary waves in dusty plasmas with variable dust charge and two temperature ions
%A H.R.Pakzad
%A Javidan, Kurosh
%J Chaos, Solitons and Fractals
%@ 0960-0779
%D 2009

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