Abstract
A unified treatment is presented of Hall instabilities in collisional dusty plasmas, using fluid equations for all charged components. Two modes are generally possible: one with frequencies in the ion-acoustic range (the Farley–Buneman mode), and the other with frequencies in the dust-acoustic range. The real and imaginary parts of the mode frequencies are obtained as functions of the electric field, E 0 , perpendicular to the magnetic field, B, permeating the plasma. Calculations are performed for laboratory-type plasmas, and for ionospheric-type plasmas.
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