A variational principle for coupled nonlinear Schrödinger equations with variable coefficients and high nonlinearity

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Abstract

Via He’s semi-inverse method, a variational principle is established for coupled nonlinear Schrödinger equations with variable coefficients and high nonlinearity. The result obtained includes the ones known from the open literature as special cases.

Keywords

Variational principle
Semi-inverse method
Nonlinear Schrödinger equations

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