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On asymptotic stability of solitons for nonlinear Sch\"odinger equation

Authors
  • Komech, A. I.
  • Kopylova, E. A.
  • Stuart, D.
Type
Preprint
Publication Date
Dec 14, 2010
Submission Date
Jul 11, 2008
Source
arXiv
License
Yellow
External links

Abstract

The long-time asymptotics is analyzed for finite energy solutions of the 1D Schr\"odinger equation coupled to a nonlinear oscillator; mathematically the system under study is a nonlinear Schr\"odinger equation, whose nonlinear term includes a Dirac delta. The coupled system is invariant with respect to the phase rotation group U(1). This article, which extends the results of a previous one, provides a proof of asymptotic stability of solitary wave solutions in the case that the linearization contains a single discrete oscillatory mode satisfying a non-degeneracy assumption of the type known as the Fermi Golden Rule.

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