Cosmological solutions in a spontaneously broken gauge theory

被引：9

作者：

Brihaye, Y ^{[1
]}

Hartmann, B

Radu, E

机构：

[1] Univ Mons Hainaut, Fac Sci, B-7000 Mons, Belgium

[2] Int Univ Bremen, Sch Engn & Sci, D-28725 Bremen, Germany

[3] Natl Univ Ireland, Dept Math Phys, Maynooth, Kildare, Ireland

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.96.071101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider solutions of the Yang-Mills-Higgs system coupled to gravity in asymptotically de Sitter space-time. The basic features of two classes of solutions are discussed, one of them corresponding to magnetic monopoles, the other one to sphalerons. We find that although the total mass within the cosmological horizon of these configurations is finite, their mass evaluated at timelike infinity generically diverges for most values of the cosmological constant. Also, no solutions exist in the absence of a Higgs potential.

引用

页数：4

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