Perfect fluid solutions of Brans-Dicke and f (R) cosmology

被引：5
|
作者：
Ciftci, Dilek K. [1 ,2 ,3 ]
Faraoni, Valerio [2 ,3 ]
机构：
[1] Namik Kemal Univ, Dept Phys, Tekirdag, Turkey
[2] Bishops Univ, Dept Phys & Astron, 2600 Coll St, Sherbrooke, PQ J1M 1Z7, Canada
[3] Bishops Univ, STAR Res Cluster, 2600 Coll St, Sherbrooke, PQ J1M 1Z7, Canada
来源：
ANNALS OF PHYSICS | 2018年 / 391卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Brans-Dicke cosmology; f (R) cosmology; Scalar-tensor gravity; Exact solutions; SCALAR-TENSOR THEORY; EXTENDED INFLATION; DARK ENERGY; MODIFIED GRAVITY; FIELD; CONSTRAINTS; DYNAMICS; HISTORY;
D O I：
10.1016/j.aop.2018.02.002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Brans-Dicke cosmology with an (inverse) power-law potential is revisited in the light of modern quintessence and inflation models. A simple ansatz relating scale factor and scalar field recovers most of the known solutions and generates new ones. A phase space interpretation of the ansatz is provided and these universes are mapped into solutions off (R) cosmology. (C) 2018 Elsevier Inc. All rights reserved.
引用
收藏
页码：65 / 82
页数：18
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