Oscillating cosmological model with a varying Λ term in Barber's second self-creation theory of gravitation

被引：0

作者：

Shen, M. ^{[1
]}

机构：

[1] Fuzhou Univ, Coll Math & Comp Sci, Fuzhou, Peoples R China

来源：

ASTROPHYSICS AND SPACE SCIENCE | 2016年 / 361卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Self-creation theory; FRW cosmological model; Time periodic varying deceleration parameter; Statefinder parameters; CONSTANT DECELERATION PARAMETER; PROBE WMAP OBSERVATIONS; BIANCHI TYPE-II; DARK ENERGY; SUPERNOVAE; PHANTOM;

D O I：

10.1007/s10509-016-2908-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the spatially homogeneous and isotropic FRW cosmological model with a time varying. term in Barber's second self-creation theory. The field equations of this theory are solved by using a time periodic varying deceleration parameter q = m cos kx - 1 with m and k being positive constants. From the derivation of the expressions for the statefinder parameters r and s, it is obtained that the values of r and s of the present model can reduce to statefinder parameters of standard Lambda CDM model r = 1 and s = 0 only when m = 3/2.

引用

页数：4

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