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Nonlinear growth of strongly unstable tearing modes
Published online by Cambridge University Press: 13 March 2009
Abstract
Rutherford's theory of the tearing instability is extended to cases where current nonlinearities are important, such as long-wavelength modes in current slabs and the m = 1 instability in tokamaks with moderately large aspect ratios. Of particular interest is the possibility that the associated magnetic islands, as a result of secondary instabilities, have a singular response to the Ohmic diffusion of the current. A family of islands is used to test this possibility; it is found that the response remains bounded.
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- Copyright © Cambridge University Press 1993
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