Cosmic acceleration and modified gravity

被引：14
|
作者：
Trodden, Mark [1 ]
机构：
[1] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2007年 / 16卷 / 12A期
基金：
美国国家科学基金会;
关键词：
cosmology; gravity;
D O I：
10.1142/S0218271807011723
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
I briefly discuss some attempts to construct a consistent modification to general relativity (GR) that might explain the observed late-time acceleration of the Universe and provide an alternative to dark energy. I describe the issues facing extensions to GR, illustrate these with a specific example, and discuss the resulting observational and theoretical obstacles.
引用
收藏
页码：2065 / 2074
页数：10
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