TITLE

Evolution of higher order nonlinear equation for the dust ion-acoustic waves in nonextensive plasma

AUTHOR(S)
Yasmin, S.; Asaduzzaman, M.; Mamun, A. A.
PUB. DATE
October 2012
SOURCE
Physics of Plasmas;Oct2012, Vol. 19 Issue 10, p103703
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
There are three different types of nonlinear equations, namely, Korteweg-de Vries (K-dV), modified K-dV (mK-dV), and mixed modified K-dV (mixed mK-dV) equations, for the nonlinear propagation of the dust ion-acoustic (DIA) waves. The effects of electron nonextensivity on DIA solitary waves propagating in a dusty plasma (containing negatively charged stationary dust, inertial ions, and nonextensive q distributed electrons) are examined by solving these nonlinear equations. The basic features of mixed mK-dV (higher order nonlinear equation) solitons are found to exist beyond the K-dV limit. The properties of mK-dV solitons are compared with those of mixed mK-dV solitons. It is found that both positive and negative solitons are obtained depending on the q (nonextensive parameter).
ACCESSION #
82964050

 

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