Cosmological dark fluid from five-dimensional vacuum

被引：14
|
作者：
Reyes, Luz M. [1 ]
Edgar Madriz-Aguilar, Jose [1 ]
Arturo Urena-Lopez, L. [1 ]
机构：
[1] Univ Guanajuato, Dept Fis, DCI, Guanajuato 37150, Mexico
来源：
PHYSICAL REVIEW D | 2011年 / 84卷 / 02期
关键词：
IA SUPERNOVAE; ENERGY; UNIVERSE; DIMENSIONS; HIERARCHY; GRAVITY; MODELS;
D O I：
10.1103/PhysRevD.84.027503
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In the framework of the induced matter theory of gravity, we derive a five-dimensional solution of the field equations that can describe a four-dimensional cosmological scenario where the dark fluid (dark matter plus dark energy) equation of state has a geometrical origin. There is not a natural separation of the dark sector into different components, and so the model may provide a geometrical explanation for the existence of a dark degeneracy in cosmological scenarios.
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页数：4
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