Nonlinear saturation of the dissipative trapped electron instability
作者:
Stefano Migliuolo,
Albert Simon,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1978)
卷期:
Volume 21,
issue 12
页码: 2218-2225
ISSN:0031-9171
年代: 1978
DOI:10.1063/1.862159
出版商: AIP
数据来源: AIP
摘要:
The nonlinear saturation amplitude of the dissipative trapped electron instability is calculated. Comparison is made with an experiment carried out in linear mirror geometry and near threshold, with only a single mode predominating. A model in which the untrapped electrons respond in a Boltzmann fashion yields good agreement. A model in which Landau damping is included predicts saturation amplitudes much smaller than observed. The first model seems appropriate for linear geometries while the second may apply to closed devices.
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