English

Finite difference scheme for two-dimensional periodic nonlinear Schr\"odinger equations

Analysis of PDEs 2019-04-23 v1

Abstract

A nonlinear Schr\"odinger equation (NLS) on a periodic box can be discretized as a discrete nonlinear Schr\"odinger equation (DNLS) on a periodic cubic lattice, which is a system of finitely many ordinary differential equations. We show that in two spatial dimensions, solutions to the DNLS converge strongly in L2L^2 to those of the NLS as the grid size h>0h>0 approaches zero. As a result, the effectiveness of the finite difference method (FDM) is justified for the two-dimensional periodic NLS.

Keywords

Cite

@article{arxiv.1904.09640,
  title  = {Finite difference scheme for two-dimensional periodic nonlinear Schr\"odinger equations},
  author = {Younghun Hong and Chulkwang Kwak and Shohei Nakamura and Changhun Yang},
  journal= {arXiv preprint arXiv:1904.09640},
  year   = {2019}
}

Comments

25 pages

R2 v1 2026-06-23T08:45:46.996Z