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Nonlinear propagation of ion-acoustic waves and low-frequency electrostatic modes in a dusty plasma

Published online by Cambridge University Press:  13 March 2009

U. A. Mofiz ,
Madhabi Islam  and
Zarin Ahmed
U. A. Mofiz
Affiliation:
Institute of Nuclear Scienceand Technology, Atomic Energy Research Establishment, Savar, GPO Box No 3787, Dhaka, Bangaladesh
Madhabi Islam
Affiliation:
Institute of Nuclear Scienceand Technology, Atomic Energy Research Establishment, Savar, GPO Box No 3787, Dhaka, Bangaladesh
Zarin Ahmed
Affiliation:
Institute of Nuclear Scienceand Technology, Atomic Energy Research Establishment, Savar, GPO Box No 3787, Dhaka, Bangaladesh
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Extract

Nonlinear propagation of ion-acoustic waves and low-frequency electrostatic modes in a dusty plasma is investigated. The evolution equations of these modes are developed and solved analytically. It is found that for small grain charge usual ion-acoustic solitons may exist in a dusty plasma, but increasing grain charge destroys them and finally they may disappear. The low-frequency electrostatic mode may be localized, forming solitons, which may act as centres of wave scattering in a dusty plasma.

Type
Research Article
Information
Journal of Plasma Physics , Volume 50 , Issue 1 , August 1993 , pp. 37 - 44
Copyright
Copyright © Cambridge University Press 1993

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References

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