Artículo
Discrete moving breather collisions in a Klein-Gordon chain of oscillators
Autor/es | Álvarez Chillida, María Azucena
Romero Romero, Francisco Cuevas-Maraver, Jesús Archilla, Juan F. R. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2008 |
Fecha de depósito | 2015-05-11 |
Publicado en |
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Resumen | We study the collisions of moving breathers with the same frequency, traveling with opposite directions within a Klein–Gordon chain of oscillators. Two types of collisions have been analyzed: symmetric and non-symmetric, ... We study the collisions of moving breathers with the same frequency, traveling with opposite directions within a Klein–Gordon chain of oscillators. Two types of collisions have been analyzed: symmetric and non-symmetric, head-on collisions. For low enough frequency the outcome is strongly dependent of the dynamical states of the two colliding breathers just before the collision. For symmetric collisions, several results can be observed: breather generation, with the formation of a trapped breather and two new moving breathers; breather reflection; generation of two new moving breathers; and breather fusion bringing about a trapped breather. For non-symmetric collisions some possible results are: breather generation, with the formation of three new moving breathers; breather fusion, originating a new moving breather; breather trapping with breather reflection; generation of two new moving breathers; and two new moving breathers traveling as a bound state. Breather annihilation has never been observed. |
Agencias financiadoras | Ministerio de Educación, Cultura y Deporte (MECD). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) |
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