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.

引用

页码：1044 / 1045

页数：2

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