Scattering of vortices with excited normal modes

被引：7

作者：

Krusch, Steffen ^{[1
]}

Rees, Morgan ^{[1
]}

Winyard, Thomas ^{[2
,3
]}

机构：

[1] Univ Kent, Sch Math Stat & Actuarial Sci, Canterbury, England

[2] Univ Edinburgh, Maxwell Inst Math Sci, Edinburgh, Scotland

[3] Univ Edinburgh, Sch Math, Edinburgh, Scotland

来源：

PHYSICAL REVIEW D | 2024年 / 110卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

ABELIAN HIGGS; COSMIC STRINGS; VORTEX; SUPERCONDUCTORS;

D O I：

10.1103/PhysRevD.110.056050

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider head-on collisions at critical coupling of vortices modeled by the Abelian-Higgs model. We investigate the two-vortex scattering, whereby the vortices are excited by the shape mode causing fluctuations in the gauge-invariant quantities. When the vortices are excited with a sufficiently large amplitude the moduli space approximation fails, and we observe an interesting behavior in which the vortices can become trapped in a quasibound state with multiple bounces. We perform a detailed investigation on the behavior of these excited vortices and sample a phase space of solutions. Interestingly, we find a fractal structure dependent on the initial phase of the mode and velocity of the vortices.

引用

页数：18

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