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Seltrapping in flat band lattices with nonlinear disorder

We study the transport properties of an initially localized excitation in several flat band lattices, in the presence of nonlinear (Kerr) disorder. In the weak nonlinearity regime, the dynamics is controlled by the degeneracy of the bands leading to a linear form of selftrapping. In the strong nonli...

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Detalles Bibliográficos
Autores principales: Rivas, Danilo, Molina, Mario I.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7090064/
https://www.ncbi.nlm.nih.gov/pubmed/32251317
http://dx.doi.org/10.1038/s41598-020-62079-8