Spherically symmetric charged-dS solution in f(T) gravity theories

被引:83
|
作者
Nashed, Gamal G. L. [1 ,2 ]
机构
[1] British Univ Egypt, Ctr Theoret Phys, Sherouk City 11837, Egypt
[2] Ain Shams Univ, Dept Math, Fac Sci, Cairo 11566, Egypt
来源
PHYSICAL REVIEW D | 2013年 / 88卷 / 10期
关键词
DARK ENERGY; GENERAL-RELATIVITY; EXTENDED THEORIES; COSMOLOGY; MODELS;
D O I
10.1103/PhysRevD.88.104034
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A tetrad field with spherical symmetry is applied to the charged field equations of f(T) gravity theory. A special spherically symmetric charged-dS solution is obtained. The scalar torsion of this solution is a vanishing quantity. The spacetime of the derived solution is rewritten as a multiplication of three matrices: The first matrix is a special case of Euler's angle "so(3),'' the second matrix represents a boost transformation, while the third matrix is the square root of the spherically symmetric charged-dS metric. It is shown that the boost matrix is important because it plays an essential role in adjusting the spacetime to become a solution for f(T) theory.
引用
收藏
页数:6
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