Strong gravitational lensing in a spacetime with topological charge within the Eddington-inspired Born-Infeld gravity

被引：12
|
作者：
Furtado, C. [1 ]
Nascimento, J. R. [1 ]
Petrov, A. Yu [1 ]
Porfirio, P. J. [1 ]
Soares, A. R. [1 ,2 ]
机构：
[1] Univ Fed Paraiba, Dept Fis, Caixa Postal 5008, BR-58051970 Joao Pessoa, Paraiba, Brazil
[2] Inst Fed Educ Ciencia & Tecnol Maranhao, Campus Buriticupu, BR-65393000 Buriticupu, Maranhao, Brazil
来源：
PHYSICAL REVIEW D | 2021年 / 103卷 / 04期
关键词：
BLACK-HOLE; GLOBAL MONOPOLE; FIELD; SHADOW;
D O I：
10.1103/PhysRevD.103.044047
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this work we calculate the angular deflection of light in the strong field limit in two spacetimes which were previously studied within the Eddington-inspired Born-Infeld gravity, namely, a black hole and a wormhole, both with topological charge. We show that the presence of the parameters characterizing Eddington-inspired Born-Infeld gravity and the topological charge promote significant changes in the angular deflection of light with respect to that one obtained in Schwarzschild spacetime. Using the expression for angular deflection in the strong field limit, we calculate the position and magnification of the respective relativistic images.
引用
收藏
页数：12
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