Casorati determinant form of dark soliton solutions of the discrete nonlinear Schrödinger equation

Ken Ichi Maruno, Yasuhiro Ohta

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

It is shown that the N-dark soliton solutions of the integrable discrete nonlinear Schrödinger (IDNLS) equation are given in terms of the Casorati determinant. The conditions for reduction, complex conjugacy, and regularity for the Casorati determinant solution are also given explicitly. The relationship between the IDNLS and the relativistic Toda lattice is discussed.

Original languageEnglish
Article number054002
Journaljournal of the physical society of japan
Volume75
Issue number5
DOIs
Publication statusPublished - 2006 May

Keywords

  • Casorati determinant
  • Dark soliton
  • Discrete nonlinear Schrödinger equation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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