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- Title
On a Strong Effect of Nonresonant Three-Wave Interactions on the Saturation of Low-Threshold Parametric Decay Instability.
- Authors
Gusakov, E. Z.; Popov, A. Yu.
- Abstract
It has been shown that the nonresonant three-wave interaction between daughter waves trapped in the plasma, which excites strongly damped induced oscillations, strongly affects the nonlinear evolution of the low-threshold parametric decay instability, leading to its saturation through a cascade of successive low-threshold decays. As a result, the anomalous absorption of a microwave pump wave in the electron cyclotron heating of the plasma in toroidal magnetic confinement devices can be significantly reduced.
- Subjects
MAGNETIC confinement; TOROIDAL plasma; PLASMA waves; MAGNETIC devices; CYCLOTRONS; OSCILLATIONS; MICROWAVES
- Publication
JETP Letters, 2022, Vol 116, Issue 1, p36
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364022600938