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

被引：379
|
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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