Constraints on dark energy and modified gravity models by the Cosmological Redshift Drift test

被引：19
|
作者：
Jain, Deepak [2 ]
Jhingan, Sanjay [1 ]
机构：
[1] Jamia Millia Islamia, Ctr Theoret Phys, New Delhi 110025, India
[2] Univ Delhi, Deen Dayal Upadhyaya Coll, New Delhi 110015, India
来源：
PHYSICS LETTERS B | 2010年 / 692卷 / 04期
关键词：
Cosmological Redshift Drift test; Dark energy models; Scalar field potentials; f(R) gravity; TIME EVOLUTION; DECELERATION; CONSTANT; DYNAMICS;
D O I：
10.1016/j.physletb.2010.07.043
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study cosmological constraints on the various accelerating models of the universe using the time evolution of the cosmological redshift of distant sources. The important characteristic of this test is that it directly probes the expansion history of the universe. In this work we analyze the various models of the universe which can explain the late time acceleration, within the framework of General Theory of Relativity (GR) (XCDM, scalar field potentials) and beyond GR (f(R) gravity model). (C) 2010 Published by Elsevier B.V.
引用
收藏
页码：219 / 225
页数：7
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