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Acoustic-like modes in a two-ion quasi-neutral plasma: linear and nonlinear analysis

Published online by Cambridge University Press:  13 March 2009

C. B. Dwivedi ,
R. S. Tiwari ,
V. K. Sayal  and
S. R. Sharma
C. B. Dwivedi
Affiliation:
Department of Physics, University of Rajasthan, Jaipur 302004, India
R. S. Tiwari
Affiliation:
Department of Physics, University of Rajasthan, Jaipur 302004, India
V. K. Sayal
Affiliation:
Department of Physics, University of Rajasthan, Jaipur 302004, India
S. R. Sharma
Affiliation:
Department of Physics, University of Rajasthan, Jaipur 302004, India
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Abstract

A theoretical analysis of acoustic-like modes in a plasma consisting of two kinds of ions with different temperatures has been performed using fluid equations. The electrons are assumed to form a dynamic neutralizing background, and their perturbation has been neglected – which is permissible for k2λ2De ≫ 1. The analysis shows that an acoustic-like mode appears to propagate as a normal mode when the hotter ion concentration is very large compared with that of the colder ions.

Type
Research Article
Information
Journal of Plasma Physics , Volume 41 , Issue 2 , April 1989 , pp. 219 - 230
Copyright
Copyright © Cambridge University Press 1989

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References

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