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Conjugate variable method for applying to MHD stability analysis

MHD安定性解析への応用のための共役変数の方法

徳田 伸二

Tokuda, Shinji

プラズマ物理に現れる常微分方程式に対して共役変数を用いてハミルトン・リー摂動理論を適用可能とすることを論じる。例として、磁場中の荷電粒子運動の解析を取り上げるとともに、簡約磁気流体力学(MHD)方程式に適用して正準な1-形式を導く。これはハミルトン・リー摂動理論を適用するうえでの出発点となる。

The conjugate variable method is discussed in order that the Hamilton-Lie perturbation theory becomes applicable to ordinary differential equations that appear in plasma physics. The method is used to the analysis of charged particle motion in a magnetic field, and to the reduced MHD (MagnetoHydroDynamic) equations to derive a canonical 1-form of them. The 1-form thus obtained provides the initial step for the application of the Hamilton-Lie perturbation theory.

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