宽带色散Alfven波的动力学
Dynamics of broadband dispersive Alfven waves
摘要：
研究了振幅调制宽带阿尔芬波的特性。特别是，圆偏振色散阿尔芬波的动力学，由一个衍生的非线性薛定谔方程，使用维格纳形式主义进行了分析。本文研究了随机相位色散泵浦Alfven波的调制不稳定性，指出谱展宽引起新的模结构。
英文摘要：
The properties of amplitude modulated broadband Alfven waves is investigated. In particular, the dynamics of circularly polarized dispersive Alfven waves, governed by a derivative nonlinear Schroedinger equation, is analyzed using the Wigner formalism. The modulational instability of random phase dispersive pump Alfven waves is investigated, and it is shown that the spectral broadening gives rise to a new mode structure.
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