Cosmological models with bulk viscosity in the presence of particle creation

被引：34
|
作者：
Desikan, K
机构：
来源：
GENERAL RELATIVITY AND GRAVITATION | 1997年 / 29卷 / 04期
关键词：
open thermodynamic system; nonsingular cosmological model;
D O I：
10.1023/A:1018826530976
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The effect of bulk viscosity, with a time varying bulk viscous coefficient, on the evolution of FRW models is investigated in the context of open thermodynamic systems, which allows for particle creation. It is seen that, by choosing an appropriate function for particle creation, the models presented exhibit non-singular beginnings.
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页码：435 / 443
页数：9
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