New agegraphic dark energy model with the sign-changeable interaction

被引：12

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 | 2014年 / 350卷 / 02期

关键词：

New agegraphic dark energy; Statefinder; w - w ' plane; COSMOLOGICAL EVOLUTION; PHANTOM MODEL; STATEFINDER; CONSTRAINTS; UNIVERSE;

D O I：

10.1007/s10509-014-1805-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we investigate a cosmological model with the sign-changeable interaction between new agegraphic dark energy (NADE) and dark matter. By analysis it is shown that the equation of state (EoS) of NADE can cross the phantom divide under the condition of the model parameter beta < 0. In addition, we plot the trajectories of the interacting NADE model for different values of the parameters n and beta in the statefinder plane. It is found that the statefinder trajectories can be distinguished by both n and beta. Furthermore, we study the interacting NADE model by means of the w-w' analysis.

引用

页码：855 / 859

页数：5

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