On the non-linear stability of scalar field cosmologies

被引：7
|
作者：
Alho, Artur [1 ]
Mena, Filipe C. [1 ]
Kroon, Juan A. Valiente [2 ]
机构：
[1] Univ Minho, Ctr Matemat, P-4710057 Braga, Portugal
[2] Queen Mary Univ London, Sch Math Sci, London E1 4NS, England
来源：
SPANISH RELATIVITY MEETING (ERE 2010): GRAVITY AS A CROSSROAD IN PHYSICS | 2011年 / 314卷
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1088/1742-6596/314/1/012099
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We review recent work on the stability of flat spatially homogeneous and isotropic backgrounds with a self-interacting scalar field. We derive a first order quasi-linear symmetric hyperbolic system for the Einstein-nonlinear-scalar field system. Then, using the linearized system, we show how to obtain necessary and sufficient conditions which ensure the exponential decay to zero of small non-linear perturbations.
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页数：4
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