Oscillons and oscillating kinks in the Abelian-Higgs model

被引：18

作者：

Achilleos, V. ^{[1
]}

Diakonos, F. K. ^{[1
]}

Frantzeskakis, D. J. ^{[1
]}

Katsimiga, G. C. ^{[1
]}

Maintas, X. N. ^{[1
]}

Manousakis, E. ^{[1
,2
]}

Tsagkarakis, C. E. ^{[1
]}

Tsapalis, A. ^{[3
]}

机构：

[1] Univ Athens, Dept Phys, GR-15784 Athens, Greece

[2] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA

[3] Hellen Naval Acad, Piraeus 18539, Greece

来源：

PHYSICAL REVIEW D | 2013年 / 88卷 / 04期

关键词：

PHASE-TRANSITIONS; BLACK-HOLES;

D O I：

10.1103/PhysRevD.88.045015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the classical dynamics of the Abelian Higgs model employing an asymptotic multiscale expansion method, which uses the ratio of the Higgs to the gauge field amplitudes as a small parameter. We derive an effective nonlinear Schrodinger equation for the gauge field, and a linear equation for the scalar field containing the gauge field as a nonlinear source. This equation is used to predict the existence of oscillons and oscillating kinks for certain regimes of the ratio of the Higgs to the gauge field masses. Results of direct numerical simulations are found to be in very good agreement with the analytical findings, and show that the oscillons are robust, while kinks are unstable. It is also demonstrated that oscillons emerge spontaneously as a result of the onset of the modulational instability of plane wave solutions of the model. Connections of the results with the phenomenology of superconductors is discussed.

引用

页数：9

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