Chasmas including magnetic effects
Chasmas including magnetic effects
Faculty of Sciences. Physics

conferenceObject

2006
2006

PIERS 2006 Cambridge: Progress in Electromagnetics Research Symposium,

Proceedings

Progress in Electromagnetics Research Symposium (PIERS 2006), MAR 26-29, 2006, Cambridge, MA

(2006)
, p. 403-405

1-933077-08-5

000241313400083

E

English (eng)

University of Antwerp

In a plasma one has by definition quasi-neutrality over distances of the order of the Debye length. In some situations one has no quasi-neutrality over many times the Debye length. Such a non-quasi-neutral plasma or charged plasma has been called chasma. We studied previously fairly simple chasmas [1-5] using an integro-differential equation and using the partial differential equations [6], where we obtained the so called 'chasma frequency', playing a role in the steady state and in the stability. Now we extend the latter analysis by considering the Maxwell equations from the start, i.e., including the magnetic terms. According to the geometrical situation (electron and ion velocities perpendicular to the 'electrodes' or not) one may derive expressions for all steady state quantities. Perturbation yields instability except in special cases, as was the case in the non-magnetic situation.

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