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Nonlinear condensation modes

Published online by Cambridge University Press:  26 January 2010

JAN WEILAND
JAN WEILAND*
Affiliation:
Chalmers University of Technology and EURATOM-VR Association, S-41296 Gothenburg, Sweden (elfjw@chalmers.se)
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Abstract

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In the far edge, in L-mode plasmas and the outer parts of the H-mode barrier, tokamak plasmas may be so collisional that parallel electron motion can be neglected or included as a perturbation. Thus we have a regime that is basically two dimensional. We will here consider the outer part of the H-mode barrier where transport is small. Recently a condensation mode was found for this regime. We have extended the theory to the nonlinear regime.

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