LITTLE RIP COSMOLOGICAL MODELS WITH TIME-DEPENDENT EQUATION OF STATE

被引：16
|
作者：
Brevik, I. [1 ]
Obukhov, V. V. [2 ]
Osetrin, K. E. [2 ]
Timoshkin, A. V. [2 ]
机构：
[1] Norwegian Univ Sci & Technol, Dept Energy & Proc Engn, N-7491 Trondhein, Norway
[2] Tomsk State Pedag Univ, Tomsk 634061, Russia
来源：
MODERN PHYSICS LETTERS A | 2012年 / 27卷 / 36期
关键词：
Cosmological models; little rip; DARK ENERGY; PHANTOM;
D O I：
10.1142/S0217732312502100
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Specific dark energy models, leading to the Little Rip (LR) cosmology in the far future, are investigated. Conditions for the occurrence of LR in terms of the parameters present in the proposed equation of state for the dark energy cosmic fluid are studied. Estimates about the time needed before the occurrence of the small singularity in the standard LR model in which the universe approaches the de Sitter spacetime asymptotically, are given.
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页数：8
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