Physics of Plasmas, ( ISI ), Volume (18), No (7), Year (2011-7) , Pages (72305-72305)

Title : ( Nonplanar ion-acoustic solitary waves with superthermal electrons in warm plasma )

Authors: Parvin Eslami , Marzieh Mottaghizadeh , Hamid Reza Pakzad ,

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In this paper, we consider an unmagnetized plasma consisting of warm adiabatic ions, superthermal electrons, and thermal positrons. Nonlinear cylindrical and spherical modified Korteweg–de Vries (KdV) equations are derived for ion acoustic waves by using reductive perturbation technique. It is observed that an increasing positron concentration decreases the amplitude of the waves. Furthermore, the effects of the superthermal parameter (k) on the ion acoustic waves are found. VC 2011 American Institute of Physics.

Keywords

, ion acoustic waves, Nonlinear cylindrical and spherical modified Korteweg–de Vries (KdV)
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@article{paperid:1022805,
author = {Eslami, Parvin and Marzieh Mottaghizadeh and Hamid Reza Pakzad},
title = {Nonplanar ion-acoustic solitary waves with superthermal electrons in warm plasma},
journal = {Physics of Plasmas},
year = {2011},
volume = {18},
number = {7},
month = {July},
issn = {1070-664x},
pages = {72305--72305},
numpages = {0},
keywords = {ion acoustic waves;Nonlinear cylindrical and spherical modified Korteweg–de Vries (KdV) equations},
}

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%0 Journal Article
%T Nonplanar ion-acoustic solitary waves with superthermal electrons in warm plasma
%A Eslami, Parvin
%A Marzieh Mottaghizadeh
%A Hamid Reza Pakzad
%J Physics of Plasmas
%@ 1070-664x
%D 2011

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