Strong lensing and observables around 5D Myers-Perry black hole spacetime

被引：3

作者：

Kuniyal, Ravi Shankar ^{[1
]}

Nandan, Hemwati ^{[1
]}

Papnoi, Uma ^{[2
]}

Uniyal, Rashmi ^{[3
]}

Purohit, K. D. ^{[4
]}

机构：

[1] Gurukula Kangri Vishwavidyalaya, Dept Phys, Haridwar 249404, Uttarakhand, India

[2] Kanoria PG Mahila Mahavidyalaya, Jaipur 302004, Rajasthan, India

[3] Govt Degree Coll Narendranagar, Dept Phys, Tehri Garhwal 249175, Uttarakhand, India

[4] HNB Garhwal Univ, Dept Phys, Srinagar 246174, India

来源：

MODERN PHYSICS LETTERS A | 2018年 / 33卷 / 23期

关键词：

5D Myers-Perry black hole; null geodesics; cone of avoidance; frequency shift; GEODESIC STRUCTURE; DEFORMABLE MEDIA; KINEMATICS; DIMENSIONS;

D O I：

10.1142/S0217732318501262

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the motion of massless test particles in a five-dimensional (5D) Myers-Perry black hole spacetime with two-spin parameters. The behavior of the effective potential in view of different values of black hole parameters is discussed in the equatorial plane. The frequency shift of photons is calculated which is found to depend on the spin parameter of black hole and the observed redshift is discussed accordingly. The deflection angle and the strong deflection limit coefficients are also calculated and their behavior with the spin parameters is analyzed in detail. It is observed that the behaviors of both deflection angle and strong field coefficient differs from Kerr black hole spacetime in four dimensions in General Relativity (GR), which is mainly due to the presence of two-spin parameters in higher dimension.

引用

页数：18

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