Affiliation:
1. School of Mathematics, Taiyuan University of Technology, Taiyuan 030024, China
Abstract
In this paper, a semi-discrete coupled nonlinear Schrödinger equation is investigated via the Darboux transformation (DT) method. Based on the Lax pair, the N-fold DT and conservation laws are constructed. Some new discrete soliton solutions under the vanishing and nonvanishing backgrounds are also derived. The dynamic features of those solutions are displayed through figures. The modulation instability (MI) is analyzed and the dispersion relation is derived.
Funder
National Natural Science Foundation of China
Shanxi Province Science Foundation for Youths
Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi
Publisher
World Scientific Pub Co Pte Lt
Subject
Condensed Matter Physics,Statistical and Nonlinear Physics
Cited by
4 articles.
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