Initial boundary value problems for the nonlinear Schrödinger equation

Research output: Contribution to journalArticle

Abstract

A new spectral method for solving initial boundary value problems for linear and integrable nonlinear partial differential equations in two independent variables is applied to the nonlinear Schrödinger equation and to its linearized version in the domain {x≥l(t), t≥0}. We show that there exist two cases: (a) if l″(t)<0, then the solution of the linear or nonlinear equations can be obtained by solving the respective scalar or matrix Riemann-Hilbert problem, which is defined on a time-dependent contour; (b) if l″(t)>0, then the Riemann-Hilbert problem is replaced by a respective scalar or matrix∂¯∂¯ problem on a time-independent domain. In both cases, the solution is expressed in a spectrally decomposed form.
Original languageEnglish
Pages (from-to)107-120
Number of pages14
JournalTheoretical and Mathematical Physics
Volume122
Issue number1
DOIs
Publication statusPublished - Jan 2000

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