Stability analysis of DGP brane-world model with agegraphic dark energy

被引：1

作者：

Ravanpak, A. ^{[1
]}

Fadakar, G. F. ^{[1
]}

机构：

[1] Vali E Asr Univ Rafsanjan, Dept Phys, Rafsanjan, Iran

来源：

CANADIAN JOURNAL OF PHYSICS | 2020年 / 98卷 / 08期

关键词：

dynamical system; stability; DGP; agegraphic dark energy; coincidence problem; COSMOLOGY; GRAVITY; UNIVERSE; LAMBDA; TIME;

D O I：

10.1139/cjp-2019-0305

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The aim of this work is to apply the dynamical system approach to study the linear dynamics of the normal DGP brane-world model with agegraphic dark energy. The stability analysis of the model will be investigated and the phase plane portrait will be illustrated. The nature of critical points will be analyzed by evaluating the eigenvalues of a linearized Jacobi matrix. Also, the statefinder diagnostic procedure will be applied to show the slight deviation of our model from the ACDM model. One of the most interesting results of this work is the great alleviation of the coincidence problem.

引用

页码：778 / 783

页数：6

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