Attractors in dark energy models with Born-Infeld scalar field

被引：0
|
作者：
Batista, RC [1 ]
Abramo, LRW [1 ]
Pereira, TD [1 ]
机构：
[1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
来源：
BRAZILIAN JOURNAL OF PHYSICS | 2005年 / 35卷 / 4B期
关键词：
PERTURBATIONS; UNIVERSE;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We derive, in the large scale limit, analytical solutions for a dark energy model described by the Born-Infeld field plus a perfect fluid, both for homogeneous background and first order perturbations. These analytical results are compared with numerical solutions in a model with radiation, pressureless matter and the field. We investigate the non-adiabatic perturbed pressure associated with this attractor and whether it corresponds to isocurvature contribution.
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页码：1044 / 1045
页数：2
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