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

被引：13
|
作者：
Dorey, Patrick [1 ]
Gorina, Anastasia [2 ]
Perapechka, Ilya [2 ]
Romanczukiewicz, Tomasz [3 ]
Shnir, Yakov [4 ]
机构：
[1] Univ Durham, Dept Math Sci, Durham, England
[2] Belarusian State Univ, Dept Theoret Phys & Astrophys, Minsk 220004, BELARUS
[3] Jagiellonian Univ, Fac Phys Astron & Appl Comp Sci, Krakow, Poland
[4] JINR, BLTP, Dubna 141980, Moscow Region, Russia
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2021年 / 2021卷 / 09期
基金：
欧盟地平线“2020”;
关键词：
Field Theories in Lower Dimensions; Nonperturbative Effects; Solitons Monopoles and Instantons; SOLITONS; CAPTURE;
D O I：
10.1007/JHEP09(2021)145
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
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 phi(4) model, and a phi(6)-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 phi(6)-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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页数：38
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