Cosmological dynamics of brane models and vacuum effects

被引：6
|
作者：
Yeranyan, AH [1 ]
Saharyan, AA [1 ]
机构：
[1] Erevan State Univ, Yerevan, Armenia
来源：
ASTROPHYSICS | 2003年 / 46卷 / 03期
关键词：
cosmology : theory; cosmology; dynamics;
D O I：
10.1023/A:1025414016883
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The imposition of boundary conditions on the background fields of brane-world models leads to nonzero vacuum averages for the corresponding energy-momentum tensor. Methods from the qualitative theory of dynamic systems are used in this paper to study the cosmological evolution generated by this tensor. All the possible types of cosmological dynamics are examined for models with homogeneous and isotropic subspaces on the branes and the behavior of the corresponding solutions is studied in the early and late stages of evolution.
引用
收藏
页码：386 / 397
页数：12
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