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Low-threshold parametric decay of the ordinary wave in ECRH experiments at toroidal devices

E Z Gusakov, A Yu Popov, A N Saveliev, E V Sysoeva2017年Plasma Physics and Controlled FusionIF 2.2出版社

In this paper we analyse low-threshold parametric decay instability (PDI) of the ordinary wave in first harmonic O-mode ECRH experiments at toroidal devices. The corresponding expressions for the PDI power threshold and its growth rate are derived analytically and evaluated numerically for the conditions of the ECRH experiments on the W7-A stellarator. The possibility of low-threshold parametric decay of the pump ordinary wave on the FTU tokamak is also considered.

日本語訳

本論文では、トロイダル装置における第一高調波OモードECRH実験での、常波の低閾値パラメトリック崩壊不安定性を解析する。PDIのパワー閾値と成長率の対応する式を解析的に導出し、W7-AステラレーターのECRH実験条件に対して数値的に評価する。また、FTUトカマクにおけるポンプ常波の低閾値パラメトリック崩壊の可能性についても考察する。

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Electron cyclotron heatingParametric decay
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