Interaction of moving discrete breathers with vacancies

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dc.creatorCuevas, J.
dc.creatorArchilla, J. F. R.
dc.creatorSánchez-Rey, B.
dc.creatorRomero, F. R.
dc.date2003-11-02
dc.date2005-12-12
dc.date.accessioned2026-07-07T06:36:14Z
dc.date.available2026-07-07T06:36:14Z
dc.descriptionIn this paper a Frenkel--Kontorova model with a nonlinear interaction potential is used to describe a vacancy defect in a crystal. According to recent numerical results [Cuevas et al, Phys. Lett. A 315, 364 (2003)] the vacancy can migrate when it interacts with a moving breather. We study more thoroughly the phenomenology caused by the interaction of moving breathers with a single vacancy and also with double vacancies. We show that vacancy mobility is strongly correlated with the existence and stability properties of stationary breathers centered at the particles adjacent to the vacancy, which we will now call vacancy breathers.
dc.description11 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/nlin/0311002
dc.identifierhttp://arxiv.org/abs/nlin/0311002
dc.identifierPhysica D 216 (2006) 115--120
dc.identifierdoi:10.1016/j.physd.2005.12.022
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100018
dc.subjectPattern Formation and Solitons
dc.titleInteraction of moving discrete breathers with vacancies
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