Kink-antikink collisions in hyper-massive models

A bstract We study topological kinks and their interactions in a family of scalar field models with a double well potential parametrized by the mass of small perturbations around the vacua, ranging from the mass of the ϕ 4 Klein-Gordon model all the way to the limit of infinite mass, which is identi...

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Bibliographic Details
Published in:The journal of high energy physics 2024-10, Vol.2024 (10), p.162-29, Article 162
Main Authors: Hahne, F. M., Klimas, P.
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Collisions
Effective Field Theories
Elementary Particles
Escape velocity
Integrable Field Theories
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Scalars
Solitary waves
Solitons Monopoles and Instantons
String Theory
Topological manifolds
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Summary:A bstract We study topological kinks and their interactions in a family of scalar field models with a double well potential parametrized by the mass of small perturbations around the vacua, ranging from the mass of the ϕ 4 Klein-Gordon model all the way to the limit of infinite mass, which is identified with a non-analytic potential. In particular, we look at the problem of kink-antikink collisions and analyze the windows of capture and escape of the soliton pair as a function of collision velocity and model mass. We observe a disappearance of the capture cases for intermediary masses between the ϕ 4 and non-analytic cases. The main features of the kink-antikink scattering are reproduced in a collective coordinates model, including the disappearance of the capture cases.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP10(2024)162