A wide family of singularity-free cosmological models -: art. no. 024027

被引：13
|
作者：
Fernández-Jambrina, L
González-Romero, LM
机构：
[1] Univ Politecn Madrid, ETSI Navales, E-28040 Madrid, Spain
[2] Univ Complutense Madrid, Fac Ciencias Fis, Dept Fis Teor 2, E-28040 Madrid, Spain
来源：
PHYSICAL REVIEW D | 2002年 / 66卷 / 02期
关键词：
D O I：
10.1103/PhysRevD.66.024027
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper a family of nonsingular cylindrical perfect fluid cosmologies is derived. The equation of state corresponds to a stiff fluid. The family depends on two independent functions under very simple conditions. A sufficient condition for geodesic completeness is provided.
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页数：5
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