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Langevin equations for quasi-linear wave-particle interaction

机译:拟线性波粒相互作用的Langevin方程

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The Langevin equations for quasi-linear wave-particle interaction are obtained taking advantage of the unequivocal equivalence between the Fokker-Planck equation and the former ones. The Langevin equations are solved numerically and, hence, the evolution of a single particle embedded in an electromagnetic field in momentum space is obtained. The equations are relativistic and valid for any wave. It is also shown that the stochastic part of the equations is negligible in comparison with the deterministic term, except for the momentum close to the resonance condition for the main parallel refractive index. [References: 26]
机译:利用Fokker-Planck方程与前者之间明确的等价关系,获得了准线性波粒相互作用的Langevin方程。对Langevin方程进行数值求解,从而获得了嵌入动量空间中电磁场的单个粒子的演化。这些方程是相对论的,对任何波浪都有效。还表明,与确定性项相比,方程的随机部分可忽略不计,除了接近于主要平行折射率的共振条件的动量。 [参考:26]

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