DYNAMICAL EVOLUTION OF INTERACTING MODIFIED CHAPLYGIN GAS

被引：37

作者：

Li, Song ^{[1
]}

Ma, Yongge ^{[1
]}

Chen, Yun ^{[2
]}

机构：

[1] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China

[2] Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2009年 / 18卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Modified Chaplygin gas; dark energy; interacting statefinder; HIGH-REDSHIFT SUPERNOVAE; HOLOGRAPHIC DARK ENERGY; PROBE WMAP OBSERVATIONS; HUBBLE-SPACE-TELESCOPE; COSMOLOGICAL CONSTANT; STATEFINDER; CONSTRAINTS; PARAMETERS; UNIVERSE; MODELS;

D O I：

10.1142/S0218271809015321

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The cosmological model of the modified Chaplygin gas (MCG) interacting with cold dark matter is studied. Our attention is focused on the final state of the universe in the model. It turns out that there exists a stable scaling solution, which provides the possibility of alleviating the coincidence problem. In addition, we investigate the effect of the coupling constants c(1) and c(2) on the dynamical evolution of this model from the statefinder viewpoint. It is found that the coupling constants play a significant role during the dynamical evolution of the interacting MCG model. Furthermore, we can distinguish this interacting model from other dark energy models in the s-r plane.

引用

页码：1785 / 1800

页数：16

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