TITLE

Exact solutions for nonlinear propagation of slow ion acoustic monotonic double layers and a solitary hole in a semirelativistic plasma

AUTHOR(S)
El-Kalaawy, O. H.; Ibrahim, R. S.
PUB. DATE
July 2008
SOURCE
Physics of Plasmas;Jul2008, Vol. 15 Issue 7, p072303
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A small-amplitude slow ion acoustic monotonic double layer in an unmagnetized plasma consisting of relativistic drifting cold electrons and nonrelativistic drifting thermal ions is investigated. By using the reductive perturbation method, Schamel–Korteweg–de Vries (SKdV) and Schamel equations are derived. We used the linearization transformation to obtained the solutions of the SKdV and Schamel equations. The method is based upon a linearization principle that can be applied on nonlinearities which have a polynomial form. We illustrate the potential of the method by finding solutions of the SKdV and Schamel equations. Furthermore, we show that the monotonic double-layer solution is a nonlinear extension of the slow ion acoustic solitary hole having a negative trapping parameter in a semi relativistic plasma.
ACCESSION #
34360779

 

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