Effective Dynamics of the Vector Nonlinear Schrödinger Equations on Large Domains

preprint2022arXivOpen access

Abstract

We consider the vector nonlinear Schrödinger equation posed on the box with periodic boundary conditions, and derive the continuous resonant (CR) equation that describes the effective dynamics for large box size and small data size over very large time-scales. Moreover, we investigate various properties of the continuous resonant equations, including the Hamiltonian structure and the well-posedness, etc..

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