Scattering Map for the Vlasov–Poisson System

Scattering Map for the Vlasov–Poisson System
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DOI:
10.1007/s42543-021-00041-x
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发表时间:
2021-01
期刊:
Peking Mathematical Journal
影响因子:
--
通讯作者:
Patrick Flynn;Zhimeng Ouyang;B. Pausader;Klaus Widmayer
Patrick Flynn;Zhimeng Ouyang;B. Pausader;Klaus Widmayer
中科院分区:
其他
文献类型:
--
作者:
Patrick Flynn;Zhimeng Ouyang;B. Pausader;Klaus Widmayer

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我们构造了三维Vlasov-Poisson系统的(修正的)散射算子,将小的渐近动力学映射为渐近动力学。主要的新奇是修改波算子的建设,但我们也得到了一个新的简单的证明修改散射。我们的分析是由Vlasov-Poisson系统的哈密顿结构指导的。通过一个伪共形反演,我们重铸的问题的渐近行为在当地的时间动力学的一个新的方程与奇异系数,这是近似集成使用生成函数。
We construct (modified) scattering operators for the Vlasov–Poisson system in three dimensions, mapping small asymptotic dynamics asto asymptotic dynamics as. The main novelty is the construction of modified wave operators, but we also obtain a new simple proof of modified scattering. Our analysis is guided by the Hamiltonian structure of the Vlasov–Poisson system. Via a pseudo-conformal inversion, we recast the question of asymptotic behavior in terms of local in time dynamics of a new equation with singular coefficients which is approximately integrated using a generating function.