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On the perturbation of a plasma and particle collection by a cylinder in a magnetic field

Published online by Cambridge University Press:  13 March 2009

J. P. Lafon
J. P. Lafon
Affiliation:
Obsorvatoire do Meudon, Départoment do Recherches Spatiales, 92190 Meudon, France
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Abstract

The inhomogeneous sheath that surrounds a probe immersed in a weakly collisional magnetized plasma is investigated from the microscopic point of view, in the case when the probe is cylindrical and parallel to the magnetic field. Arbitrary surface effects of the probe (such as absorption, reflexion and emission of particles) are taken into account. The sheath is described with a model based on the solution of a boundary-value problem for the self-consistent Boltzmann—Maxwell—Poisson equation. The spatial variation of the magnetic field is discussed. Typical results of numerical computations concerning the structure of the sheath and the currents collected by the probe are given and discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 10 , Issue 3 , December 1973 , pp. 383 - 396
Copyright
Copyright © Cambridge University Press 1973

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References

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