Scattering between wobbling kinks

In this paper the scattering between a wobbling kink and a wobbling antikink in the standard 4 model is numerically investigated. The dependence of the nal velocities, wobbling amplitudes and frequencies of the scattered kinks on the collision velocity and on the initial wobbling amplitude is discus...

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Detalles Bibliográficos
Autor: Queiroga Nunes, João Victor
Tipo de recurso: tesis de maestría
Fecha de publicación:2020
País:España
Institución:Universidad de Valladolid
Repositorio:UVaDOC. Repositorio Documental de la Universidad de Valladolid
OAI Identifier:oai:uvadoc.uva.es:10324/43644
Acceso en línea:http://uvadoc.uva.es/handle/10324/43644
Access Level:acceso abierto
Palabra clave:Topological defects
Kinks
Scattering
Scalar field
Descripción
Sumario:In this paper the scattering between a wobbling kink and a wobbling antikink in the standard 4 model is numerically investigated. The dependence of the nal velocities, wobbling amplitudes and frequencies of the scattered kinks on the collision velocity and on the initial wobbling amplitude is discussed. The fractal structure becomes more intricate due to the emergence of new resonance windows and the splitting of those arising in the non-excited kink scattering. Outside this phase, the nal wobbling amplitude exhibits a linear dependence on the collision velocity whereas the nal frequency is a decreasing function. By contrast, these magnitudes are almost independent of the initial wobbling amplitude. A theoretical analysis of this new scenario is carried out by applying the collective coordinate method.