Bianchi Type-I Dust-Filled Accelerating Brans-Dicke Cosmology

被引：17

作者：

Sharma, Umesh Kumar ^{[1
]}

Goswami, Gopi Kant ^{[2
]}

Pradhan, Anirudh ^{[1
]}

机构：

[1] GLA Univ, Inst Appl Sci & Humanities, Dept Math, Mathura 281406, Uttar Pradesh, India

[2] Kalyan Postgrad Coll, Bhilai 490006, CG, India

来源：

GRAVITATION & COSMOLOGY | 2018年 / 24卷 / 02期

关键词：

DARK ENERGY MODELS; HIGH-REDSHIFT SUPERNOVAE; PROBE WMAP OBSERVATIONS; LATE-TIME ACCELERATION; DIGITAL SKY SURVEY; ANISOTROPIC UNIVERSE; MACHS PRINCIPLE; DATA RELEASE; LAMBDA; CONSTRAINTS;

D O I：

10.1134/S0202289318020123

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Spatially homogeneous and anisotropic Bianchi type-I cosmological models of Brans-Dicke (BD) theory of gravitation are investigated. The model represents an accelerating universe at present and is considered to be dominated by dark energy. The cosmological constant I > is considered as a candidate for dark energy. The derived model agrees at par with the recent SN Ia observations. We have set the BD coupling constant omega to be 40000, according to the solar system tests and evidence. We discuss various physical and geometric properties of the models and compare them with the corresponding general-relativistic models.

引用

页码：191 / 200

页数：10

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