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Finite amplitude E × B oscillations in bounded plasmas

Published online by Cambridge University Press:  13 March 2009

Øivin Holter
Øivin Holter
Affiliation:
Institute of Physics, University of Oslo, Oslo, Norway
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Abstract

A semi-infinite plasma slab with a density gradient and an externally applied electric field normal to an applied magnetic field is considered. Stable finite amplitude density and potential oscillations are investigated for parameters favourable for the E × B instability. Explicit expressions for the oscillation amplitudes, frequency, and wavelength are derived in the limit of a weak density gradient. The calculations are performed with a closed set of zero and first harmonic equations. It is shown that second harmonic contributions are small in the case considered.

Information

Type
Research Article
Information
Journal of Plasma Physics , Volume 17 , Issue 2 , April 1977, pp. 233 - 249
Copyright
Copyright © Cambridge University Press 1977

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References

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