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Electromagnetic drift wave turbulence and convective cell formation

Published online by Cambridge University Press:  13 March 2009

H. Sanuki  and
J. Weiland
H. Sanuki
Affiliation:
Institute of Plasma Physics, Nagoya University, Nagoya, Japan
J. Weiland
Affiliation:
Institute of Plasma Physics, Nagoya University, Nagoya, Japan
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Abstract

A model equation for nonlinear drift Alfvén waves in the region where they do not couple to the electrostatic drift wave branch is derived. Two conservation relations are derived and the results are compared to that of the Hasegawa—Mima equation. The spectrum is found to cascade to both smaller and larger k. The convective cell formation is studied for two different orderings of the parameters. The relation between characteristic scale lengths parallel and perpendicular to the drift flow for the onset of cell formation has been found.

Type
Research Article
Information
Journal of Plasma Physics , Volume 23 , Issue 1 , February 1980 , pp. 29 - 42
Copyright
Copyright © Cambridge University Press 1980

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References

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