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Ion temperature gradient-driven dipolar vortices in dusty plasmas

Published online by Cambridge University Press:  07 December 2005

Q. HAQUE  and
H. SALEEM
Q. HAQUE
Affiliation:
Department of Physics, COMSTATS Institute of IT, H-8 Islamabad, Pakistan; PRD, Pinstech P.O. Nilore, Islamabad, Pakistan (qamar@pinstech.org.pk)
H. SALEEM
Affiliation:
Department of Physics, COMSTATS Institute of IT, H-8 Islamabad, Pakistan; PRD, Pinstech P.O. Nilore, Islamabad, Pakistan (qamar@pinstech.org.pk)
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Abstract

The nonlinear dynamics of the ion temperature gradient (ITG) mode is investigated in a dusty plasma assuming the dust grains to be tiny and highly charged. The electrostatic drift waves cannot be ignored in the linear dispersion relation if polarization drifts of ions and dust are taken into account. The dipolar vortices are predicted to be formed in the nonlinear regime. The relevance of this study to space and astrophysical plasmas is pointed out.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 4 , August 2006 , pp. 435 - 441
Copyright
2005 Cambridge University Press

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