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Zakharov–Kuznetsov-type limit for ion dynamics system with external magnetic field in R3
Applied Mathematics Letters ( IF 2.9 ) Pub Date : 2020-12-05 , DOI: 10.1016/j.aml.2020.106938 Xueke Pu , Rong Rong
中文翻译:
带有外部磁场的离子动力学系统的Zakharov–Kuznetsov型极限
更新日期:2020-12-24
Applied Mathematics Letters ( IF 2.9 ) Pub Date : 2020-12-05 , DOI: 10.1016/j.aml.2020.106938 Xueke Pu , Rong Rong
We consider the Zakharov–Kuznetsov-type limit for ion dynamics system in with external magnetic field and derive the 3D ZK-type equation from ion dynamics system by Gardner–Morikawa transforms. By making energy estimate for the remainders system we prove that the solutions of the Euler–Poisson system converge globally to ZK-type equation when in 3D.
中文翻译:
带有外部磁场的离子动力学系统的Zakharov–Kuznetsov型极限
我们考虑Zakharov–Kuznetsov型离子动力学系统的极限 在外部磁场作用下,通过Gardner–Morikawa变换从离子动力学系统推导出3D ZK型方程。通过对余数系统进行能量估计,我们证明了Euler-Poisson系统的解在以下情况下全局收敛于ZK型方程 在3D中。