Nonlinear Wave Modulation with Account of the Nonlinear Landau Damping
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概要
- 論文の詳細を見る
The theory of nonlinear wave modulation in a collisionless plasma is developed on the basis of the Vlasov description, with particular attention to the nonlinear Landau damping process associated with resonance effects at the group velocity of the wave. Contributions from resonance particles, moving at the group velocity, change the nonlinear Schrodinger equation, derivd in previous investigations, into the following equation, [numerical formula] where φ(ξ,τ) is the small but finite potential amplitude, and τ and ξ are stretched variables in the "reductive perturbation" theory. 〓 denotes a Cauchy principal part. Besides giving rise to the nonlocal-nonlinear term, the contribution of these resonant particles reverse the sign of the nonlinear coupling coefficient, q, relative to the value calculated neglecting their effect.
- 社団法人日本物理学会の論文
- 1973-02-05
著者
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Taniuti Tosiya
Department Of Engineering Natural Science-mathematics Chubu University
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Ichikawa Yoshi
Department Of Physics And Atomic Energy Research Institute College Of Science And Engineering Nihon
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Ichikawa Yoshi
Department Of Physics And Atomic Energy Research Institute College Of Science And Engineering Nihon
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Ichikawa Yoshi
Deparment Of Physics Tohoku University
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