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Bifurcations in an advanced two-chamber model for the edge plasma in a divertor tokamak

Published online by Cambridge University Press:  13 March 2009

Alkesh Punjabi  and
Min Soe†
Alkesh Punjabi
Affiliation:
Hampton University, Hampton, Virginia 23668, U.S.A.
Min Soe†
Affiliation:
Hampton University, Hampton, Virginia 23668, U.S.A.
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Extract

An advanced two-chamber model for the main plasma scrape-off and the divertor chamber of a tokamak is constructed. It is studied in the framework of catastrophe theory. The model shows bifurcations in the topology of the equilibrium surfaces. The results are in qualitative agreement with some of the experimentally observed features of the H-mode transition.

Type
Research Article
Information
Journal of Plasma Physics , Volume 52 , Issue 3 , December 1994 , pp. 457 - 463
Copyright
Copyright © Cambridge University Press 1994

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