Influence of moving breathers on vacancies migration

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A vacancy defect is described by a Frenkel--Kontorova model with a discommensuration. This vacancy can migrate when interacts with a moving breather. We establish that the width of the interaction potential must be larger than a threshold value in order that the vacancy can move forward. This value is related to the existence of a breather centred at the particles adjacent to the vacancy.
11 pages, 10 figures

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Pattern Formation and Solitons, Materials Science, Adaptation and Self-Organizing Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/98019

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0306039
 http://arxiv.org/abs/nlin/0306039
 Phys. Lett. A 315:364-371, 2003
 doi:10.1016/S0375-9601(03)01097-1

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arXiv