On the stability of cosmological solutions in Brans-Dicke theory

被引：0
|
作者：
Nahmad, M
Cervantes-Cota, JL
Rodríguez-Meza, MA
机构：
[1] Inst Nacl Invest Nucl, Dept Fis, Mexico City 11801, DF, Mexico
[2] Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico
来源：
REVISTA MEXICANA DE FISICA | 2003年 / 49卷
关键词：
scalar-tensor theories; exact solutions; differential equations stability;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We use scaled variables to deduce a set of coupled equations valid for isotropic and anisotropic Bianchi type I, V, IX models in some scalar-tensor theories. In particular, for the Brans-Dicke theory the equations decouple, then one is able to integrate the system for FRW and Bianchi I and V models. Additionally, we investigate, through the method of Lyapunov, the stability of our solutions; particular results are presented for BD theory. Furthermore, an extended Lyapunov theorem is demonstrated in the appendix.
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页码：114 / 117
页数：4
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