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The effect of ion temperature on the existence of large amplitude solitary kinetic Alfvén waves and double layers are investigated in a two-fluid model using Sagdeev's pseudopotential technique...
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Dust kinetic Alfvén waves (DKAWs) with finite Larmor radius effects have been examined rigorously in a uniform dusty plasma in the presence of an external magnetic field. A dispersion relation ...

Simulation study of the magnetized sheath of a dusty plasma

Phys. Plasmas 16, 103703 (2009); doi:10.1063/1.3243497

Published 12 October 2009

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G. Foroutan,1,2 H. Mehdipour,1 and H. Zahed1
1Department of Physics, Faculty of Science, Sahand University of Technology, 51335-1996 Tabriz, Iran
2School of Physics, The University of Sydney, New South Wales 2006, Sydney, Australia
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. ©2009 American Institute of Physics
History: Received 30 July 2009; accepted 14 September 2009; published 12 October 2009
Permalink: http://link.aip.org/link/?PHPAEN/16/103703/1
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KEYWORDS and PACS

Keywords
PACS
  • 52.65.-y
    Plasma simulation
  • 52.55.-s
    Magnetic plasma confinement and equilibrium
  • 52.40.Kh
    Plasma sheaths
  • 52.27.Lw
    Dusty or complex plasmas; plasma crystals
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
1070-664X (print)   1089-7674 (online)
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