Dust-acoustic solitary waves in a two-temperature electrons with charge fluctuations and nonisothermal ions

S.K. El-Labany, E.F. El-Shamy, W.F. El-Taibany and W.M. Moslem

Chaos, Solitons & Fractals, 2007, vol. 34, issue 5, 1393-1400

Abstract: In this paper, a modified Korteweg–de Vries (mKdV) equation and Korteweg–de Vries (KdV) equation at critical ion density are derived for dusty plasmas consisting of hot dust fluid, nonisothermal ions and two-temperature electrons. The charge fluctuation dynamics of the dust grains has also been considered. It has been shown that the presence of a second component of electrons modifies the nature of dust acoustic (DA) solitary structures. The effects of two-temperature electrons, obliqueness and external magnetic field on the properties of DA solitary waves are discussed. Numerical investigations show that there exists only rarefactive solitary waves.

Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:34:y:2007:i:5:p:1393-1400

DOI: 10.1016/j.chaos.2006.05.041

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