Contribution of the cosmological constant to the bending of light in Kerr-de Sitter spacetime

被引：18

作者：

Sultana, Joseph ^{[1
]}

机构：

[1] Univ Malta, Fac Sci, Dept Math, Msida, Malta

来源：

PHYSICAL REVIEW D | 2013年 / 88卷 / 04期

关键词：

WEYL GRAVITY; GRAVITATIONAL-FIELD; CLASSICAL TESTS; DEFLECTION; CONSTRAINTS; 2ND-ORDER; LIMIT;

D O I：

10.1103/PhysRevD.88.042003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We examine the effect of the cosmological constant Lambda on the angle of deflection of null geodesics in the equatorial plane of the Kerr-de Sitter spacetime. This is done by employing a procedure used recently by Rindler and Ishak to obtain the bending angle of light in the Schwarzschild-de Sitter geometry. We show that this approach yields a contribution from the cosmological constant in the expression for the bending angle.

引用

页数：5

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