Abstract
Considering the effect of self-gravity and gravitational field of dust particles on electrons and ions, instabilities of a weakly ionized dusty plasma in the presence of an external constant electric field are investigated. It is assumed that ionization and electron-neutral collision frequencies and recombination coefficient depend on electron temperature. Taking into account these assumptions, it is shown that most of the instabilities investigated are stipulated by the sign change of derivative of kinetic coefficients with respect to electron temperature. Comparing the obtained results with the results of previous works, it is found that the presence of the dust particles causes the appearance of new instabilities or modifies the growth rate of the plasma instabilities under different conditions.
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