No chaos in brane-world cosmology

被引:46
作者
Coley, AA [1 ]
机构
[1] Dalhousie Univ, Dept Math & Stat, Halifax, NS, Canada
关键词
D O I
10.1088/0264-9381/19/8/102
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We discuss the asymptotic dynamical evolution of spatially homogeneous brane-world cosmological models close to the initial singularity. We find that generically the cosmological singularity is isotropic in Bianchi type IX brane-world models and consequently these models do not exhibit Mixmaster or chaotic-like behaviour close to the initial singularity. We argue that this is typical of more general cosmological models in the brane-world scenario. In particular, we show that an isotropic singularity is a past-attractor in all orthogonal Bianchi models and is a local past-attractor in a class of inhomogeneous brane-world models.
引用
收藏
页码:L45 / L56
页数:12
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