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Dust acoustic solitons in a two-ion-temperature plasma with isothermal ions and warm adiabatic dusty fluid

Published online by Cambridge University Press:  01 June 1999

S. G. TAGARE  and
JOYANTI CHUTIA
S. G. TAGARE
Affiliation:
Institute of Advanced Study in Science and Technology, Khanapara, Guwahati 781 022, India Permanent address: School of Mathematics and CIS, University of Hyderabad, Hyderabad 500046, India.
JOYANTI CHUTIA
Affiliation:
Institute of Advanced Study in Science and Technology, Khanapara, Guwahati 781 022, India
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Abstract

Both compressive and rarefactive solitons are found to exist in a warm adiabatic dusty plasma with two-temperature isothermal ions. The Korteweg–de Vries (KdV) equation for isothermal ions and KdV-type equations at a critical density of low-temperature ions are derived in order to discuss the properties of dust acoustic solitons. Using a quasipotential analysis, critical Mach numbers M1c and M2c are obtained such that rarefactive dust acoustic solitons exist when 1<M<M1c and compressive dust acoustic solitons exist when 1<M<M2c.

Type
Research Article
Information
Journal of Plasma Physics , Volume 61 , Issue 5 , June 1999 , pp. 723 - 733
Copyright
1999 Cambridge University Press

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