Radiating shear-free gravitational collapse with charge

被引:58
|
作者
Pinheiro, G. [1 ,2 ]
Chan, R. [1 ]
机构
[1] Observ Nacl, Div Programas Posgrad, BR-20921400 Rio De Janeiro, RJ, Brazil
[2] Univ Estado Rio de Janeiro, Inst Fis, Dept Fis Teor, BR-20550900 Rio De Janeiro, RJ, Brazil
关键词
Gravitational collapse; General relativity; Black hole; Reissner-Nordstrom; SPHERES; THERMODYNAMICS; EVOLUTION; ENERGY; STAR;
D O I
10.1007/s10714-012-1468-7
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present here a new shear free model for the gravitational collapse of a spherically symmetric charged body. We propose a dissipative contraction with radiation emitted outwards represented by the Vaidya-Reissner-Nordstrom metric. The Einstein field equations, using the junction conditions and an ansatz, are integrated numerically. A check of the energy conditions is also performed. We obtain that the charge delays the Reissner-Nordstrom black hole formation and it can even prevent the collapse.
引用
收藏
页码:243 / 261
页数:19
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