Shear-free rotating inflation

被引：13
|
作者：
Obukhov, YN
Chrobok, T
Scherfner, M
机构：
[1] Tech Univ Berlin, Inst Theoret Phys, D-10623 Berlin, Germany
[2] Tech Univ Berlin, FB Math, D-10623 Berlin, Germany
来源：
PHYSICAL REVIEW D | 2002年 / 66卷 / 04期
关键词：
D O I：
10.1103/PhysRevD.66.043518
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We demonstrate the existence of shear-free cosmological models with rotation and expansion which support inflationary scenarios. The corresponding metrics belong to the family of spatially homogeneous models with the geometry of the closed universe (Bianchi type IX). We show that the global vorticity does not prevent inflation and can even accelerate it.
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页数：5
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