Existence of multiple breathers for discrete nonlinear Schrodinger equations

oleh: Tao Zhou, Xia Liu, Haiping Shi, Zongliang Wen

Format: Article
Diterbitkan: Texas State University 2019-02-01

Deskripsi

In this article we study discrete nonlinear Schrodinger equations without periodicity assumptions. We show the existence of multiple solutions of the form $u_n e^{-i\omega t}$ (called breathers) by using Clark's Theorem in critical point theory.