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

Authors:
Xin-Wei Zhou;Lin Wang
Affiliations:
Department of Mathematics, Kunming University, 2 Puxin Road, Kunming, Yunnan 650214, PR China;College of Statistics and Mathematics, Yunnan University of Finance and Economics, Kunming, Yunnan 650221, PR China
Venue:
Computers & Mathematics with Applications
Year:
2011

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Abstract

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