TITLE

Simulation study of the magnetized sheath of a dusty plasma

AUTHOR(S)
Foroutan, G.; Mehdipour, H.; Zahed, H.
PUB. DATE
October 2009
SOURCE
Physics of Plasmas;Oct2009, Vol. 16 Issue 10, p103703
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Numerical solutions of stationary multifluid equations are used to study the formation and properties of the magnetized sheath near the boundary of a dusty plasma. The impacts of the strength of the magnetic field, the dust and plasma number densities, and the electron temperature on the sheath structure and spatial distributions of various quantities are investigated. It is shown that for a given angle of incidence of the magnetic field, there is a threshold magnetic field intensity above which some kind of large regular inhomogeneities develop on the spatial profile of the dust particles. The sheath thickness, the electron and ion number densities, and the absolute dust charge are strongly affected by the variation in the dust number density. The sheath demonstrates a nonlinear dependence on the electron temperature; as the electron temperature rises, the sheath first is broadened and the absolute wall potential decreases but then at higher temperatures the sheath becomes narrower and the absolute wall potential increases.
ACCESSION #
44910035

 

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