Evasion of No-Hair Theorems and Novel Black-Hole Solutions in Gauss-Bonnet Theories

被引：417

作者：

Antoniou, G. ^{[1
]}

Bakopoulos, A. ^{[1
]}

Kanti, P. ^{[1
]}

机构：

[1] Univ Ioannina, Dept Phys, GR-45110 Ioannina, Greece

来源：

PHYSICAL REVIEW LETTERS | 2018年 / 120卷 / 13期

关键词：

EQUATIONS;

D O I：

10.1103/PhysRevLett.120.131102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider a general Einstein-scalar-Gauss-Bonnet theory with a coupling function f(phi). We demonstrate that black-hole solutions appear as a generic feature of this theory since a regular horizon and an asymptotically flat solution may be easily constructed under mild assumptions for f(phi). We show that the existing no-hair theorems are easily evaded, and a large number of regular black-hole solutions with scalar hair are then presented for a plethora of coupling functions f(phi).

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页数：6

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