Arbitrary amplitude solitary waves in plasmas with dust grains of opposite polarity and non-thermal ions

The existence of large amplitude solitary waves in a plasma comprised of a cold negative dust fluid, adiabatic positive dust fluid, Boltzmann electrons and non-thermal ions is theoretically investigated. Different regions in parameter space that correspond to different values of the ratio of the cha...

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Bibliographic Details
Published in:Journal of plasma physics 2010-08, Vol.76 (3-4), p.441-451
Main Authors: MAHARAJ, S. K., BHARUTHRAM, R., SINGH, S. V., PILLAY, S. R., LAKHINA, G. S.
Format: Article
Language:English
Subjects:
Dust
Exact sciences and technology
Ions
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma
Plasma physics
Solitary waves
Solitons
bgk modes
Waves, oscillations, and instabilities in plasmas and intense beams
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Summary:The existence of large amplitude solitary waves in a plasma comprised of a cold negative dust fluid, adiabatic positive dust fluid, Boltzmann electrons and non-thermal ions is theoretically investigated. Different regions in parameter space that correspond to different values of the ratio of the charge-to-mass ratios of the positive and negative dust grains have been identified where either negative or positive potential solitary wave structures occur and a region where coexistence of negative and positive potential solitary waves is supported.
ISSN:0022-3778
1469-7807
DOI:10.1017/S0022377809990651