Abstract
For equilibria stable with respect to ideal ballooning modes it is shown by means of a simple argument that, owing to plasma compressibility, resistive ballooning modes with small growth rates can only exist if they are extended along a field line. In particular, a small region of bad curvature along a field line is not sufficient for the existence of unstable modes
Received: 1990-1-16
Published Online: 2014-6-2
Published in Print: 1990-5-1
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