Statefinder diagnosis for the interacting model of holographic dark energy

被引：134

作者：

Zhang, Jingfei ^{[1
]}

Zhang, Xin ^{[1
]}

Liu, Hongya ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Phys & Optoelectron Technol, Dalian 116024, Peoples R China

来源：

PHYSICS LETTERS B | 2008年 / 659卷 / 1-2期

基金：

中国博士后科学基金; 英国科研创新办公室; 中国国家自然科学基金;

关键词：

D O I：

10.1016/j.physletb.2007.10.086

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this Letter, we investigate the holographic dark energy model with interaction between dark energy and dark matter, from the statefinder viewpoint. We plot the trajectories of the interacting holographic dark energy model for different interaction cases as well as for different values of the parameter c in the statefinder-plane. The statefinder diagrams characterize the properties of the holographic dark energy and show the discrimination between the two cases with and without interaction. As a result, we show the influence of the interaction on the evolution of the universe in the statefinder diagrams. Moreover, as a complement to the statefinder diagnosis, we study the interacting holographic dark energy model in the w-w' plane, which can provide us with a dynamical diagnosis. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：26 / 33

页数：8

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