Artículo
Nonlinear waves in a chain of magnetically coupled pendula
Autor/es | García Raffi, Luis M.
Salmerón-Contreras, Luis J. Jiménez, Noé Ahmed, Mehem Sánchez-Morcillo, Víctor J. Picó, Rubén Archilla, Juan F. R. |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2018 |
Fecha de depósito | 2019-07-22 |
Publicado en |
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Resumen | A motivation for the study of reduced models like one-dimensional systems in Solid State Physics is the complexity of the full problem. In recent years our group has studied theoretically, numerically and experimentally ... A motivation for the study of reduced models like one-dimensional systems in Solid State Physics is the complexity of the full problem. In recent years our group has studied theoretically, numerically and experimentally wave propagation in lattices of nonlinearly coupled oscillators. Here, we present the dynamics of magnetically coupled pendula lattices. These macroscopic systems can model the dynamical processes of matter or layered systems. We report the results obtained for harmonic wave propagation in these media, and the different regimes of mode conversion into higher harmonics strongly influenced by dispersion and discreteness, including the phenomenon of acoustic dilatation of the chain, as well as some results on the propagation of localized waves i.e., solitons and kinks. |
Identificador del proyecto | APOSTD/2017/042
PAID-01-14 FIS2015-65998-C2-2-P 2017/FQM-280 |
Cita | García Raffi, L.M., Salmerón-Contreras, L.J., Jiménez, N., Ahmed, M., Sánchez-Morcillo, V.J., Picó, R. y Archilla, J.F.R. (2018). Nonlinear waves in a chain of magnetically coupled pendula. Proceedings of Meetings on Acoustics, 34 (1), 045037-1-045037-6. |
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