Phonon Scattering by Breathers in the Discrete Nonlinear Schroedinger Equation

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dc.creatorLee, S.
dc.creatorTing, Julian J. -L.
dc.creatorKim, S.
dc.date1998-06-25
dc.date.accessioned2026-07-07T06:17:37Z
dc.date.available2026-07-07T06:17:37Z
dc.descriptionLinear theory for phonon scattering by discrete breathers in the discrete nonlinear Schroedinger equation using the transfer matrix approach is presented. Transmission and reflection coefficients are obtained as a function of the wave vector of the input phonon. The occurrence of a nonzero transmission, which in fact becomes perfect for a symmetric breather, is shown to be connected with localized eigenmodes thresholds. In the weak-coupling limit, perfect reflection are shown to exist, which requires two scattering channels. A necessary condition for a system to have a perfect reflection is also considered in a general context.
dc.description13 pages 11 figures in EPS, RevTeX, Phys. Rev. E accepted
dc.identifierhttps://arxiv.org/abs/solv-int/9806007
dc.identifierhttp://arxiv.org/abs/solv-int/9806007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/94443
dc.subjectExactly Solvable and Integrable Systems
dc.subjectDisordered Systems and Neural Networks
dc.subjectQuantum Physics
dc.titlePhonon Scattering by Breathers in the Discrete Nonlinear Schroedinger Equation
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