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Interaction of Moving Localized Oscillations with a Local Inhomogeneity in Nonlinear Hamiltonian Klein–Gordon Lattices |
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| Authors: | Cuevas J. Palmero F. Archilla J. F. R. Romero F. R. |
| Affiliation: | (1) ETS Ingeniería Informática, Universidad de Sevilla, Avda Reina Mercedes s/n, 41012 Seville, Spain;(2) Facultad de Física, Universidad de Sevilla, Avda Reina Mercedes s/n, 41012 Seville, Spain |
| Abstract: | We study the interaction of moving localized oscillations with a local inhomogeneity in a discrete nonlinear Hamiltonian system. We conjecture that resonance with a static nonlinear localized oscillation centered at the local inhomogeneity is a necessary condition for observing the trapping phenomenon. Analytic calculations and numerical simulations agree well with our hypothesis. |
| Keywords: | discrete breathers mobile breathers intrinsic localized modes impurities inhomogeneity |
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