Influence of higher order toroidicity on coupling of tearing modes

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Published under licence by IOP Publishing Ltd
, , Citation Wang Chuan-bing and Li Ding 1999 Acta Phys. Sin. (Overseas Edn) 8 908 DOI 10.1088/1004-423X/8/12/005

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Author affiliations

1 Department of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China

2 Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China

Dates

  1. Received 15 June 1999
1004-423X/8/12/908

Abstract

The general dispersion relation for toroidally coupled tearing mode including pressure and other O(epsilon2) order corrections is naturally derived based on the structure of ideal magnetohydrodynamic solutions in the outer region. It is found that the inclusion of the O(epsilon2) order terms in the diagonal element of E-matrix does not change physical properties of the toroidally coupled tearing mode and only make negligible contribution to the magnitude of growth rate.

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