Of charged stars and charged black holes

被引:17
|
作者
Malheiro, M [1 ]
Picanço, R
Ray, S
机构
[1] Univ Fed Fluminense, Inst Fis, BR-24210340 Niteroi, RJ, Brazil
[2] Inst Super Tecn, Ctr Multidisciplinar Astrofis, Dept Fis, P-1096 Lisbon, Portugal
[3] Univ Fed Santa Maria, Dept Fis, BR-97119900 Santa Maria, RS, Brazil
来源
关键词
compact star; charge; charged black holes;
D O I
10.1142/S0218271804005560
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Effect of maximum amount of charge a compact star can hold, is studied here. We analyze the different features in the renewed stellar structure and discuss the reasons why such huge charge is possible inside a compact star. We studied a particular case of a polytropic equation of state (EOS) assuming the charge density is proportional to the mass density. Although the global balance of force allows a huge charge, the electric repulsion faced by each charged particle forces it to leave the star, resulting in the secondary collapse of the system to form a charged black hole.
引用
收藏
页码:1375 / 1379
页数:5
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