Existence of multiple solutions to a class of nonlinear Schrödinger system with external sources terms

preprint2014arXivOpen access

Abstract

We study a class of nonlinear schrödinger system with external sources terms as perturbations in order to obtain existence of multiple solutions, this system arises from Bose-Einstein condensates etc..As these external sources terms are positive functions and small in some sense, we use Nehari manifold to get the existence of a positive ground state solution and a positive bound state solution.

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