Resonance structures in kink-antikink collisions in a deformed sine-Gordon model

被引：0
作者：
Patrick Dorey
Anastasia Gorina
Ilya Perapechka
Tomasz Romańczukiewicz
Yakov Shnir
机构：
[1] Durham University,Department of Mathematical Sciences
[2] Belarusian State University,Department of Theoretical Physics and Astrophysics
[3] Jagiellonian University,Faculty of Physics, Astronomy and Applied Computer Science
[4] BLTP,undefined
[5] JINR,undefined
来源：
Journal of High Energy Physics | / 2021卷
关键词：
Field Theories in Lower Dimensions; Nonperturbative Effects; Solitons Monopoles and Instantons;
D O I：
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学科分类号：
摘要：
We study kink-antikink collisions in a model which interpolates smoothly between the completely integrable sine-Gordon theory, the ϕ4 model, and a ϕ6-like model with three degenerate vacua. We find a rich variety of behaviours, including integrability breaking, resonance windows with increasingly irregular patterns, and new types of windows near the ϕ6-like regime. False vacua, extra kink modes and kink fragmentation play important roles in the explanations of these phenomena. Our numerical studies are backed up by detailed analytical considerations.
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