Finite-beta and resonant-electron effects on trapped-electron instabilities
- 1 April 1976
- journal article
- Published by IOP Publishing in Nuclear Fusion
- Vol. 16 (2), 191-202
- https://doi.org/10.1088/0029-5515/16/2/001
Abstract
Finite-β (plasma pressure/magnetic pressure) and resonant electron effects on the dissipative trapped-electron instabilities are analysed. These modifications are shown to have a strong stabilizing influence on the finite-ion-gyroradiusand electron-temperature-gradient-driven modes, respectively. For relevant tokamak parameters, complete stabilization may be possible. Stability criteria for radially local and non-local cases are presented.Keywords
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