Gravitational collapse: expanding and collapsing regions

被引：23
|
作者：
Sharif, M. [1 ]
Abbas, G. [1 ]
机构：
[1] Univ Punjab, Dept Math, Lahore 54590, Pakistan
来源：
GENERAL RELATIVITY AND GRAVITATION | 2011年 / 43卷 / 04期
关键词：
Junction conditions; Expanding and collapsing regions; PERFECT FLUID COLLAPSE; ELECTROMAGNETIC-FIELD;
D O I：
10.1007/s10714-010-0952-1
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigate the expanding and collapsing regions by taking two well-known spherically symmetric spacetimes. For this purpose, the general formalism is developed by using Israel junction conditions for arbitrary spacetimes. This has been used to obtain the surface energy density and the tangential pressure. The minimal pressure provides the gateway to explore the expanding and collapsing regions. We take Minkowski and Kantowski-Sachs spacetimes and use the general formulation to investigate the expanding and collapsing regions of the shell.
引用
收藏
页码：1179 / 1188
页数：10
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