Five-dimensional spherical gravitational collapse of anisotropic fluid with cosmological constant

被引：17
作者：
Khan, Suhail [1 ]
Shah, Hassan [1 ]
Abbas, Ghulam [2 ]
机构：
[1] Univ Peshawar, Dept Math, Peshawar, Khyber Pukhtoon, Pakistan
[2] Islamia Univ Bahawalpur, Dept Math, Bahawalpur 63100, Pakistan
来源：
INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS | 2017年 / 14卷 / 02期
关键词：
Gravitational collapse; matching conditions; cosmological constant; INHOMOGENEOUS DUST COLLAPSE; SPACE-TIME; CYLINDRICAL COLLAPSE; COMPACT STARS; BLACK-HOLES; GRAVITY; RELATIVITY; DIMENSIONS; WAVES;
D O I：
10.1142/S0219887817500256
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Our aim is to study five-dimensional spherically symmetric anisotropic collapse with a positive cosmological constant (PCC). For this purpose, five-dimensional spherically symmetric and Schwarzschild-de Sitter metrics are chosen in the interior and exterior regions respectively. A set of junction conditions is derived for the smooth matching of interior and exterior spacetimes. The apparent horizon is calculated and its physical significance is studied. It comes out that the whole collapsing process is influenced by the cosmological constant. The collapsing process under the influence of cosmological constant slows down and black hole size also reduced.
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页数：12
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