Gravitational lensing for a boosted Kerr black hole in the presence of plasma

被引：36
|
作者：
Benavides-Gallego, Carlos A. [1 ]
Abdujabbarov, A. A. [1 ,2 ]
Bambi, Cosimo [1 ,3 ]
机构：
[1] Fudan Univ, Ctr Field Theory & Particle Phys, Dept Phys, Shanghai 200438, Peoples R China
[2] Ulugh Beg Astron Inst, Astron Skaya 33, Tashkent 100052, Uzbekistan
[3] Eberhard Karls Univ Tubingen, Theoret Astrophys, D-72076 Tubingen, Germany
来源：
EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 09期
基金：
中国国家自然科学基金;
关键词：
SHADOWS; OBJECTS;
D O I：
10.1140/epjc/s10052-018-6170-9
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We obtain the deflection angle for a boosted Kerr black hole in the weak field approximation. We also study the behavior of light in the presence of plasma by considering different distributions: singular isothermal sphere, non-singular isothermal gas sphere, and plasma in a galaxy cluster. We find that the dragging of the inertial system along with the boosted parameter A affect the value of the deflection angle. As an application, we studied the magnification for both uniform and SIS distributions.
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页数：18
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