Stable gravastars with generalized exteriors

被引:131
作者
Carter, BMN [1 ]
机构
[1] Univ Canterbury, Dept Phys & Astron, Christchurch 1, New Zealand
关键词
D O I
10.1088/0264-9381/22/21/007
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
New spherically symmetric gravastar solutions, stable to radial perturbations, are found by utilizing the construction of Visser and Wiltshire. The solutions possess an anti-de Sitter or de Sitter interior and a Schwarzschild-(anti)-de Sitter or Reissner-Nordstrom exterior. We find a wide range of parameters which allow stable gravastar solutions, and present the different qualitative behaviour of the equation of state for these parameters.
引用
收藏
页码:4551 / 4562
页数:12
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