TITLE

A nonlinear Zakharov-Kuznetsov equation in magnetized plasma with q-nonextensive electrons velocity distribution

AUTHOR(S)
Bains, A. S.; Tribeche, Mouloud; Saini, N. S.; Gill, T. S.
PUB. DATE
October 2011
SOURCE
Physics of Plasmas;Oct2011, Vol. 18 Issue 10, p104503
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
By using the reductive perturbation method (RPM), a nonlinear Zakharov-Kuznetsov (ZK) equation for ion-acoustic solitary waves (IASWs) is derived for a magnetized plasma in which the electrons are nonextensively distributed. The combined effects of electron nonextensivity, strength of magnetic field, and obliqueness on the ion acoustic (IA) solitary profile are analyzed. Three different ranges of the nonextensive q-parameter are considered. It is observed that the system may support both compressive as well as rarefactive solitons. The magnetic field has no effect on the amplitude of solitary waves whereas the obliqueness affects both the amplitude as well as the width of the solitary wave structures.
ACCESSION #
66903320

 

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