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Stability of internal kink modes with energetic trapped particles

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Published under licence by IOP Publishing Ltd
, , Citation F. Romanelli et al 1991 Nucl. Fusion 31 631 DOI 10.1088/0029-5515/31/4/002

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1 Centro Ricerche Energia Frascati, Associazione Euratom-ENEA sulla Fusione, Frascati, Rome, Italy

2 Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey, United States of America

Dates

  1. Received 10 October 1989

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0029-5515/31/4/631

Abstract

An analysis of the stability of ideal internal kink modes in high temperature tokamaks is presented. The theory includes kinetic effects associated with energetic trapped particles, bulk ion diamagnetic drifts as well as transit resonances. A corresponding dispersion relation is derived and analysed both analytically and numerically. The roles and implications of various kinetic effects are delineated and comparisons with previously obtained results made.

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