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Wave–particle interactions in plasmas

R Koch2006年Plasma Physics and Controlled FusionIF 2.2出版社

An overview of the interactions between waves and particles in plasmas is given. Interest is focused on cases where special particle populations, like energetic particle tails, interact with waves. The two basic, but inter-related, mechanisms through which waves and particles can exchange energy, resonance and stochastization are briefly illustrated. The basic non-collisional interaction mechanisms and their description through quasilinear theory are reviewed. The present state of modelling and comparison with experiments in fusion plasmas is addressed. With respect to astrophysical plasmas, three topics are examined: (i) the generation of cosmic rays, (ii) the heating and fast particle generation in the solar corona and (iii) the whistler wave generation in the magnetosphere.

日本語訳

プラズマにおける波と粒子の相互作用の概要を示す。特に、高エネルギー粒子テールのような特殊な粒子集団が波と相互作用する場合に着目する。波と粒子がエネルギーを交換する際の2つの基本的かつ相互に関連するメカニズムである共鳴と確率化について簡潔に説明する。非衝突性の相互作用メカニズムと、その準線形理論による記述を概説する。核融合プラズマにおけるモデリングの現状と実験との比較について述べる。天体物理プラズマに関しては、以下の3つのテーマを考察する:(i) 宇宙線の生成、(ii) 太陽コロナにおける加熱と高エネルギー粒子の生成、(iii) 磁気圏におけるホイッスラー波の生成。

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