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Drift wave excitation in a collisional dusty magnetoplasma with multi-ion species

Published online by Cambridge University Press:  01 April 2009

P. K. SHUKLA  and
M. ROSENBERG
P. K. SHUKLA
Affiliation:
Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, CA 92093, USA
M. ROSENBERG
Affiliation:
Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, CA 92093, USA
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Abstract

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We investigate the drift dissipative instability in a non-uniform magnetized plasma composed of electrons, positive ions, negative ions and negatively charged dust particles. We use a multi-fluid plasma model and derive a dispersion relation for the electrostatic drift waves with frequencies much smaller than the ion gyrofrequencies and wavelengths longer than the ion gyroradii. The presence of the negatively charged, massive dust grains affects the drift wave frequency and the growth rate of the drift dissipative instability. The present results may be relevant to space and laboratory magnetoplasmas containing negative ions and charged dust grains.

Type
Letter to the Editor
Information
Journal of Plasma Physics , Volume 75 , Issue 2 , April 2009 , pp. 153 - 158
Copyright
Copyright © Cambridge University Press 2008

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