Phantom black holes in Einstein-Maxwell-dilaton theory

被引：77

作者：

Clement, Gerard ^{[1
]}

Fabris, Julio C. ^{[2
,3
]}

Rodrigues, Manuel E. ^{[1
,2
]}

机构：

[1] Lab Annecy Le Vieux Phys Theor, LAPTH, F-74941 Annecy Le Vieux, France

[2] Univ Fed Espirito Santo, Ctr Ciencias Exatas, Dept Fis, BR-29075910 Vitoria, ES, Brazil

[3] Inst Astrophys, IAP, F-75014 Paris, France

来源：

PHYSICAL REVIEW D | 2009年 / 79卷 / 06期

关键词：

MODEL;

D O I：

10.1103/PhysRevD.79.064021

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We obtain the general static, spherically symmetric solution for the Einstein-Maxwell-dilaton system in four dimensions with a phantom coupling for the dilaton and/or the Maxwell field. This leads to new classes of black hole solutions, with single or multiple horizons. Using the geodesic equations, we analyze the corresponding Penrose diagrams revealing, in some cases, new causal structures.

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页数：13

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