Abstract
Abstract In this paper, the problem of sheath is investigated using the fluid model in a magnetized four-component dusty plasma system comprising positive ions, negatively charged statistic dust grains and two species of electron populations. These electrons are assumed to be a sum of two q-nonextensive electrons distribution (i.e. the electrons evolve far away from their Maxwellian distribution ( q = 1 ) with two different temperatures (cold and hot). The effects of population ratio and the temperature ratio of hot to cold non-extensive electrons on the plasma sheath parameters are studied numerically. A significant change is observed in the quantities characterizing the sheath as sheath thickness, sheath potential, electron and ion densities and dust velocity in the presence of nonextensively (case superextensively) distributed two-temperature electrons.
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