Extend Bekenstein’s theorem to Einstein–Maxwell-scalar theories with a scalar potential

NAOC Open IR

	Extend Bekenstein’s theorem to Einstein–Maxwell-scalar theories with a scalar potential
	Jianhui Qiu 1; Changjun Gao1
Source Publication	The European Physical Journal C
ISSN	1434-6052
Volume	82 Issue:7
Abstract	The Bekenstein’s theorem allows us to generate an Einstein-conformal scalar solution from a single Einstein-ordinary scalar solution. In this article, we extend this theorem to the Einstein–Maxwell-scalar (EMS) theory with a non-minimal coupling between the scalar and Maxwell field when a scalar potential is also included. As applications of this extended theorem, the well-known static dilaton solution and rotating solution with a specific coupling between dilaton and Maxwell field are considered, and new conformal dilaton black hole solutions are found. The Noether charges, such as mass, electric charge, and angular momentum, are compared between the old and new black hole solutions connected by conformal transformations, and they are found conformally invariant. We speculate that the theorem may be useful in the computations of metric perturbations and spontaneous scalarization of black holes in the Einstein–Maxwell-conformal-scalar theory since they can be mapped to the corresponding EMS theories, which have been investigated in detail.
Language	英语
Document Type	期刊论文
Identifier	http://ir.bao.ac.cn/handle/114a11/87922
Collection	中国科学院国家天文台
Affiliation	1.中国科学院国家天文台 2.中国科学院大学
First Author Affilication	National Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation GB/T 7714	Jianhui Qiu,Changjun Gao. Extend Bekenstein’s theorem to Einstein–Maxwell-scalar theories with a scalar potential[J]. The European Physical Journal C,82(7).
APA	Jianhui Qiu,&Changjun Gao.
MLA	Jianhui Qiu,et al."Extend Bekenstein’s theorem to Einstein–Maxwell-scalar theories with a scalar potential".The European Physical Journal C 82.7

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