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Oscillation-centre fluid theory of the ponderomotive force

Published online by Cambridge University Press:  13 March 2009

G. W. Kentwell  and
D. A. Jones
G. W. Kentwell
Affiliation:
Department of Theoretical Physics, Research School of Physical Sciences, Australian National University, Canberra, ACT, 2601, Australia
D. A. Jones
Affiliation:
Materials Research Laboratories, P.O. Box 50, Ascot Vale, Victoria, 3032, Australia
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Abstract

A new fluid-theory derivation of the time-dependent ponderomotive force is presented in the oscillation-centre representation. We show that the velocity renormalization adopted in this paper is equivalent to the oscillation-centre representation and is the velocity required so that the mean density obeys the continuity equation exactly. We also show that previous fluid theory results may be recovered by adopting a different velocity renormalization and by redefining the ponderomotive force.

Type
Research Article
Information
Journal of Plasma Physics , Volume 33 , Issue 1 , February 1985 , pp. 43 - 52
Copyright
Copyright © Cambridge University Press 1985

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References

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