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dc.creatorPalmero Acebedo, Faustino 
dc.creatorCarretero-González, Ricardo 
dc.creatorCuevas-Maraver, Jesús 
dc.creatorKevrekidis, Panayotis G. 
dc.creatorKrólikowski, Wieslaw 
dc.date.accessioned2015-03-10T13:10:18Z
dc.date.available2015-03-10T13:10:18Z
dc.date.issued2008
dc.identifier.issn1539-3755es
dc.identifier.issn1550-2376es
dc.identifier.urihttp://hdl.handle.net/11441/23405
dc.description.abstractIn this paper we analyze the existence, stability, dynamical formation, and mobility properties of localized solutions in a one-dimensional system described by the discrete nonlinear Schrödinger equation with a linear point defect. We consider both attractive and repulsive defects in a focusing lattice. Among our main findings are (a) the destabilization of the on-site mode centered at the defect in the repulsive case, (b) the disappearance of localized modes in the vicinity of the defect due to saddle-node bifurcations for sufficiently strong defects of either type, (c) the decrease of the amplitude formation threshold for attractive and its increase for repulsive defects, and (d) the detailed elucidation as a function of initial speed and defect strength of the different regimes (trapping, trapping and reflection, pure reflection, and pure transmission) of interaction of a moving localized mode with the defect.es
dc.description.sponsorshipMECD Project No. FIS2004-01183es
dc.formatapplication/pdfes
dc.language.isoenges
dc.relation.ispartofPhysical Review E (2008, v. 77, n. 3, p. 036614:1-11)es
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleSolitons in one-dimensional nonlinear Schrödinger lattices with a local inhomogeneityes
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física Aplicada Ies
dc.relation.publisherversionhttp://journals.aps.org/pre/abstract/10.1103/PhysRevE.77.036614es
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevE.77.036614es
dc.identifier.idushttps://idus.us.es/xmlui/handle/11441/23405
dc.contributor.funderMinisterio de Educación, Cultura y Deporte (MECD). España

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