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Temperature relaxation in a parametrically unstable inhomogeneous plasma

Published online by Cambridge University Press:  14 February 2001

V. G. PANCHENKO
V. G. PANCHENKO
Affiliation:
Institute for Nuclear Research, Prospect Nauki 47, 252028, Kiev 28, Ukraine
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Extract

On the basis of kinetic fluctuation theory, the relaxation process between the electron and ion temperatures in a magnetized inhomogeneous plasma is considered when an external pump wave parametrically decays into lower-hybrid and electron drift waves. In the region above the instability threshold, the inverse relaxation time is calculated, and its dependence on the density gradient and the pump-wave intensity and frequency is obtained. It is shown that the presence of the parametric instability leads to a decrease of the relaxation time.

Type
Research Article
Information
Journal of Plasma Physics , Volume 64 , Issue 3 , September 2000 , pp. 205 - 210
Copyright
© 2000 Cambridge University Press

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