Statefinder diagnostic and w-w′ analysis for the agegraphic dark energy model with the sign-changeable interaction

被引：2
|
作者：
Xu, Y. D. [1 ]
Huang, Z. G. [1 ]
机构：
[1] Huaihai Inst Technol, Sch Sci, Lianyungang 222005, Peoples R China
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2013年 / 346卷 / 02期
关键词：
Agegraphic dark energy; Statefinder; w-w ' plane; CHAPLYGIN-GAS; COSMOLOGICAL CONSTRAINTS; EVOLUTION;
D O I：
10.1007/s10509-013-1457-7
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The statefinder diagnostic and w-w' analysis are useful methods for distinguishing different dark energy models. In this paper, we study the agegraphic dark energy (ADE) model with the sign-changeable interaction by using the statefinder diagnostic and w-w' analysis. The evolution trajectories of this model in the r-s and w-w' planes are plotted for different model parameters. It is shown that the model parameters significantly affect the evolution trajectories in the r-s and w-w' planes. Furthermore, we can differentiate the ADE model with the sign-changeable interaction from the LCDM model by means of the statefinder diagnostic and w-w' analysis.
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页码：525 / 529
页数：5
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