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Current-driven drift wave instability in a collisional dusty negative ion plasma

Published online by Cambridge University Press:  22 November 2013

M. ROSENBERG*
Affiliation:
Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, CA 92093, USA (rosenber@ece.ucsd.edu)
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Abstract

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The excitation of drift waves by an electron current parallel to the magnetic field is investigated in a nonuniform plasma composed of electrons, positive ions, negative ions, and massive, negatively charged dust. Electrostatic drift waves with frequencies smaller than the ion gyrofrequencies and wavelengths larger than the ion gyroradii are considered. Linear kinetic theory is used, and collisions of charged particles with neutrals are taken into account. The present results may be relevant to laboratory collisional magnetoplasmas containing negative ions and dust.