Type: Article
Publication Date: 2011-10-14
Citations: 43
DOI: https://doi.org/10.1080/03605302.2011.574244
In this article we deal with the cubic Schrödinger system where β = (β i, j ) ij is a symmetric matrix with real coefficients and β ii ≥ 0 for every i = 1,…, n. We analyze the existence and nonexistence of nontrivial solutions in connection with the properties of the matrix β, and provide a complete characterization in dimensions N = 1, 2. Extensions to more general power-type nonlinearities are given.