Scalarized Einstein–Maxwell-scalar black holes in a cavity

Abstract In this paper, we study the spontaneous scalarization of Reissner–Nordström (RN) black holes enclosed by a cavity in an Einstein–Maxwell-scalar (EMS) model with non-minimal couplings between the scalar and Maxwell fields. In this model, scalar-free RN black holes in a cavity may induce scal...

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Autor principal:	Feiyu Yao
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Astrophysics QB460-466 Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
Acceso en línea:	https://doaj.org/article/4b590b3479c74b208617b33fc50c855f
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spelling	oai:doaj.org-article:4b590b3479c74b208617b33fc50c855f2021-11-21T12:09:48ZScalarized Einstein–Maxwell-scalar black holes in a cavity10.1140/epjc/s10052-021-09793-31434-60441434-6052https://doaj.org/article/4b590b3479c74b208617b33fc50c855f2021-11-01T00:00:00Zhttps://doi.org/10.1140/epjc/s10052-021-09793-3https://doaj.org/toc/1434-6044https://doaj.org/toc/1434-6052Abstract In this paper, we study the spontaneous scalarization of Reissner–Nordström (RN) black holes enclosed by a cavity in an Einstein–Maxwell-scalar (EMS) model with non-minimal couplings between the scalar and Maxwell fields. In this model, scalar-free RN black holes in a cavity may induce scalarized black holes due to the presence of a tachyonic instability of the scalar field near the event horizon. We calculate numerically the black hole solutions, and investigate the domain of existence, perturbative stability against spherical perturbations and phase structure. The scalarized solutions are always thermodynamically preferred over RN black holes in a cavity. In addition, a reentrant phase transition, composed of a zeroth-order phase transition and a second-order one, occurs for large enough electric charge Q.Feiyu YaoSpringerOpenarticleAstrophysicsQB460-466Nuclear and particle physics. Atomic energy. RadioactivityQC770-798ENEuropean Physical Journal C: Particles and Fields, Vol 81, Iss 11, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Astrophysics QB460-466 Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
spellingShingle	Astrophysics QB460-466 Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Feiyu Yao Scalarized Einstein–Maxwell-scalar black holes in a cavity
description	Abstract In this paper, we study the spontaneous scalarization of Reissner–Nordström (RN) black holes enclosed by a cavity in an Einstein–Maxwell-scalar (EMS) model with non-minimal couplings between the scalar and Maxwell fields. In this model, scalar-free RN black holes in a cavity may induce scalarized black holes due to the presence of a tachyonic instability of the scalar field near the event horizon. We calculate numerically the black hole solutions, and investigate the domain of existence, perturbative stability against spherical perturbations and phase structure. The scalarized solutions are always thermodynamically preferred over RN black holes in a cavity. In addition, a reentrant phase transition, composed of a zeroth-order phase transition and a second-order one, occurs for large enough electric charge Q.
format	article
author	Feiyu Yao
author_facet	Feiyu Yao
author_sort	Feiyu Yao
title	Scalarized Einstein–Maxwell-scalar black holes in a cavity
title_short	Scalarized Einstein–Maxwell-scalar black holes in a cavity
title_full	Scalarized Einstein–Maxwell-scalar black holes in a cavity
title_fullStr	Scalarized Einstein–Maxwell-scalar black holes in a cavity
title_full_unstemmed	Scalarized Einstein–Maxwell-scalar black holes in a cavity
title_sort	scalarized einstein–maxwell-scalar black holes in a cavity
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/4b590b3479c74b208617b33fc50c855f
work_keys_str_mv	AT feiyuyao scalarizedeinsteinmaxwellscalarblackholesinacavity
_version_	1718419183405891584

Scalarized Einstein–Maxwell-scalar black holes in a cavity

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