Spontaneous scalarization of self-gravitating magnetic fields

被引：6

作者：

Brihaye, Yves ^{[1
]}

Capobianco, Rogerio ^{[2
]}

Hartmann, Betti ^{[2
,3
,4
,5
]}

机构：

[1] Univ Mons, Serv Phys Univers Champs & Gravitat, B-7000 Mons, Belgium

[2] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil

[3] Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26111 Oldenburg, Germany

[4] Jacobs Univ Bremen, Dept Phys & Earth Sci, D-28759 Bremen, Germany

[5] UCL, Dept Math, Gower St, London WC1E 6BT, England

来源：

PHYSICAL REVIEW D | 2021年 / 103卷 / 12期

基金：

巴西圣保罗研究基金会;

关键词：

RELICS;

D O I：

10.1103/PhysRevD.103.124020

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we study the spontaneous scalarization of an extended, self-gravitating system which is static, cylindrically symmetric and possesses electromagnetic fields. We demonstrate that a real massive scalar field condenses on this Melvin magnetic universe solution when introducing a nonminimal coupling between the scalar field and (a) the magnetic field and (b) the curvature of the space-time, respectively. We find that in both cases, the solutions exist on a finite interval of the coupling constant and that solutions with a number of nodes k in the scalar field are present. For case (a) we observe that the intervals of existence are mutually exclusive for different k.

引用

页数：9

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