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Modulational instability of obliquely modulated ion-acoustic waves in a collisional plasma with one- and two-electron-temperature distributions

Published online by Cambridge University Press:  13 March 2009

M. K. Mishra ,
R. S. Chhabra  and
S. R. Sharma
M. K. Mishra
Affiliation:
Department of Physics, University of Rajasthan, Jaipur-302004, India
R. S. Chhabra
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

The stability of oblique modulation of ion-acoustic waves in a collisional plasma with one and two electron-temperature distributions is studied using the KBM method. For the case of one electron distribution it is found that collisions give rise to regions of physical instability that are otherwise stable in the absence of collisions. For the two-electron-distribution case in the presence of collisions the domains of physical instability of the wave are studied with respect to the values of the temperature ratio and relative concentration of the two electron species.

Information

Type
Research Article
Information
Journal of Plasma Physics , Volume 42 , Issue 3 , December 1989 , pp. 379 - 394
Copyright
Copyright © Cambridge University Press 1989

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References

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