Einstein-Klein-Gordon system by gravitational decoupling

被引：92

作者：

Ovalle, J. ^{[1
,2
,3
]}

Casadi, R. ^{[4
,5
]}

da Rocha, R. ^{[6
]}

Sotomayor, A. ^{[7
]}

Stuchlik, Z. ^{[1
,2
]}

机构：

[1] Silesian Univ Opava, Fac Philosophy & Sci, Inst Phys, CZ-74601 Opava, Czech Republic

[2] Silesian Univ Opava, Fac Philosophy & Sci, Res Ctr Theoret Phys & Astrophys, CZ-74601 Opava, Czech Republic

[3] Univ Simon Bolivar, Dept Fis, AP 89000, Caracas 1080A, Venezuela

[4] Alma Mater Univ Bologna, Dipartimento Fis & Astron, Via Irnerio 46, I-40126 Bologna, Italy

[5] Ist Nazl Fis Nucl, Sez Bologna, IS FLAG, Viale Berti Pichat 6-2, I-40127 Bologna, Italy

[6] Univ Fed Abc, Ctr Matemat Comp & Cognicao, BR-09210580 Santo Andre, SP, Brazil

[7] Univ Antofagasta, Dept Matemat, Antofagasta, Chile

来源：

EPL | 2018年 / 124卷 / 02期

基金：

巴西圣保罗研究基金会;

关键词：

DILATONIC BLACK-HOLES; STARS;

D O I：

10.1209/0295-5075/124/20004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate how a spherically symmetric scalar field can modify the Schwarzschild vacuum solution when there is no exchange of energy-momentum between the scalar field and the central source of the Schwarzschild metric. This system is described by means of the gravitational decoupling, by Minimal Geometric Deformation (MGD-decoupling), which allows us to show that, under the MGD paradigm, the Schwarzschild solution is modified in such a way that a naked singularity appears. Copyright (C) EPLA, 2018

引用

页数：7

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