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Do nonlinear waves evolve in a universal manner in dusty and other plasma environments?

Published online by Cambridge University Press:  14 July 2014

R. Bharuthram
Affiliation:
University of the Western Cape, Bellville, South Africa
S. V. Singh*
Affiliation:
Indian Institute of Geomagnetism, Navi Mumbai, India
S. K. Maharaj
Affiliation:
South African National Space Agency (SANSA), Space Science Directorate, Hermanus, South Africa
S. Moolla
Affiliation:
University of KwaZulu-Natal, Durban, South Africa
I. J. Lazarus
Affiliation:
Durban University of Technology, Durban, South Africa
R. V. Reddy
Affiliation:
Indian Institute of Geomagnetism, Navi Mumbai, India
G. S. Lakhina
Affiliation:
Indian Institute of Geomagnetism, Navi Mumbai, India
*
Email address for correspondence: satyavir@iigs.iigm.res.in

Abstract

Using a fluid theory approach, this article provides a comparative study on the evolution of nonlinear waves in dusty plasmas, as well as other plasma environments, viz electron-ion, and electron-positron plasmas. Where applicable, relevance to satellite measurements is pointed out. A range of nonlinear waves from low frequency (ion acoustic and ion cyclotron waves), high frequency (electron acoustic and electron cyclotron waves) in electron-ion plasmas, ultra-low frequency (dust acoustic and dust cyclotron waves) in dusty plasmas and in electron-positron plasmas are discussed. Depending upon the plasma parameters, saw-tooth and bipolar structures are shown to evolve.

Type
Research Article
Copyright
Copyright © Cambridge University Press 2014 

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References

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