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Collisional effects on the electrostatic dust cyclotron instability

Published online by Cambridge University Press:  01 January 1999

M. ROSENBERG  and
V. W. CHOW
M. ROSENBERG
Affiliation:
Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, CA 92093, USA
V. W. CHOW
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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A kinetic analysis of the electrostatic dust cyclotron instability in a weakly ionized collisional dusty plasma is presented. In a plasma with negatively charged dust and a current along the magnetic field B, it is found that the instability can be excited by ions drifting along B. The effect of dust–neutral collisions is stabilizing, while the effect of ion–neutral collisions can be destabilizing. Possible applications to laboratory environments are discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 61 , Issue 1 , January 1999 , pp. 51 - 63
Copyright
© 1999 Cambridge University Press