相干非线性Alfven波中粒子俘获的渐近理论
Asymptotic Theory of Particle Trapping in Coherent Nonlinear Alfven Waves
摘要:
本文提出了一个完全非线性的、时间渐近的大振幅准平行阿尔芬波共振粒子俘获理论。准定常Alfvenic间断和相干Alfvenic波的非线性动力学上的捕获粒子的效果是高度非平凡的,并迫使从传统的DNLS和KNLS方程模型的理论显着偏离。维里定理用于确定时间渐近分布函数。
英文摘要:
A fully nonlinear, time-asymptotic theory of resonant particle trapping in large-amplitude quasi-parallel Alfven waves is presented. The effect of trapped particles on the nonlinear dynamics of quasi-stationary Alfvenic discontinuities and coherent Alfven waves is highly non-trivial and forces to a significant departure of the theory from the conventional DNLS and KNLS equation models. The virial theorem is used to determine the time-asymptotic distribution function.
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