paper

The method of moments for Nonlinear Schrodinger Equations: Theory and Applications

arXiv:nlin/0510044

Abstract

The method of moments in the context of Nonlinear Schrodinger Equations relies on defining a set of integral quantities, which characterize the solution of this partial differential equation and whose evolution can be obtained from a set of ordinary differential equations. In this paper we find all cases in which the method of moments leads to closed evolution equations, thus extending and unifying previous works in the field of applications. For some cases in which the method fails to provide rigorous information we also develop approximate methods based on it, which allow to get some approximate information on the dynamics of the solutions of the Nonlinear Schrodinger equation.

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