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A note on ion–dust streaming instability in a collisional dusty plasma

Published online by Cambridge University Press:  21 August 2002

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

This note investigates an ion-dust streaming instability with frequency ω less than the dust collision frequency νd, in an unmagnetized collisional dusty plasma. Under certain conditions, a resistive instability can be excited by an ion drift on the order of the ion thermal speed, even when the dust acoustic wave is heavily damped. The effect of weak collisions on the usual dust acoustic instability in the regime ω > νd is also considered. Applications to experimental observations of low-frequency fluctuations in laboratory d.c. glow discharge dusty plasmas are discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 67 , Issue 4 , May 2002 , pp. 235 - 242
Copyright
2002 Cambridge University Press

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