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Interaction of moving breathers with an impurity | | J. Cuevas
; F. Palmero
; J.F.R. Archilla
; F.R. Romero
; | | Date: |
17 Jun 2003 | | Journal: | In L Vázquez, MP Zorzano, RS Mackay, editors. Localization and Energy Transfer in Nonlinear Systems: Proceedings of the Third Conference, San Lorenzo De El Escorial, Spain 17-21 June 2002. World Scientific, 2003 | | Subject: | Pattern Formation and Solitons; Adaptation and Self-Organizing Systems; Soft Condensed Matter | nlin.PS cond-mat.soft nlin.AO | | Abstract: | We analyze the influence of an impurity in the evolution of moving discrete breathers in a Klein--Gordon chain with non-weak nonlinearity. Three different behaviours can be observed when moving breathers interact with the impurity: they pass through the impurity continuing their direction of movement; they are reflected by the impurity; they are trapped by the impurity, giving rise to chaotic breathers. Resonance with a breather centred at the impurity site is conjectured to be a necessary condition for the appearance of the trapping phenomenon. | | Source: | arXiv, nlin.PS/0306031 | | Services: | Forum | Review | PDF | Favorites | |
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