Static spherically symmetric solution of (R ± μ 4/R) gravity

被引：14

作者：

Saaidi, K. ^{[1
,2
]}

Vajdi, A. ^{[1
]}

Aghamohammadi, A. ^{[2
,3
]}

机构：

[1] Univ Kurdistan, Dept Phys, Fac Sci, Sanandaj, Iran

[2] Islamic Azad Univ Sanandaj, Sanandaj, Iran

[3] Islamic Azad Univ Tehran, Sci & Res Branch, Plasma Phys Res Ctr, Tehran, Iran

来源：

GENERAL RELATIVITY AND GRAVITATION | 2010年 / 42卷 / 10期

关键词：

Static spherically symmetric solution; f (R) gravity; Modified gravity; COSMOLOGICAL PARAMETERS; WMAP;

D O I：

10.1007/s10714-010-0989-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The static spherically symmetric solution for R +/- mu (4)/R model of f(R) gravity is investigated. We obtain the metric for space-time in the solar system that reduces to the Schwarzschild metric, when mu tends to zero. For the obtained metric, the deviation from Einstein gravity is very small. This result is different from the other results have been obtained by equivalence between f(R) gravity and scalar tensor theory. Also it is shown that the vacuum solution in the solar system depends on the shape of matter distribution which differ from the Einstein's gravity.

引用

页码：2421 / 2429

页数：9

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