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Non-local ponderomotive force in finite temperature inductive plasmas

A I Smolyakov, D Sydorenko, A Froese2007年Plasma Physics and Controlled FusionIF 2.2出版社

Inductively coupled plasma discharges demonstrate a number of kinetic and nonlinear phenomena of general interest such as collisionless electromagnetic wave absorption (Landau heating), ponderomotive effects and nonlinear regimes of the anomalous skin effect. In a finite temperature plasma the electron response becomes strongly non-local due to the thermal motion. This results in a significant reduction of the ponderomotive force amplitude. At larger amplitudes, nonlinear modification of the electron trajectories due to the Lorentz force partially restores the amplitude of the ponderomotive force, even to the extent of approaching the local value.

日本語訳

誘導結合プラズマ放電は、無衝突電磁波吸収(ランダウ加熱)、ポンデロモーティブ効果、異常表皮効果の非線形領域など、一般的に興味深い多くの運動論的および非線形現象を示す。有限温度プラズマにおいては、熱運動により電子応答が強く非局所的になる。この結果、ポンデロモーティブ力の振幅が著しく減少する。より大きな振幅では、ローレンツ力による電子軌道の非線形変形がポンデロモーティブ力の振幅を部分的に回復させ、局所的な値に近づく程度にまで達する。

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