Scalar perturbations and quasi-normal modes of a nonlinear magnetic-charged black hole surrounded by quintessence

被引：27

作者：

Chakrabarty, Hrishikesh ^{[1
]}

Abdujabbarov, Ahmadjon ^{[1
,2
]}

Bambi, Cosimo ^{[1
]}

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

来源：

EUROPEAN PHYSICAL JOURNAL C | 2019年 / 79卷 / 03期

基金：

中国国家自然科学基金;

关键词：

GRAVITATIONAL PERTURBATION; THICK DISCS; KERR; STABILITY; KERR-(ANTI); DYNAMICS; ORBITS;

D O I：

10.1140/epjc/s10052-019-6687-6

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 study scalar perturbations and quasi-normal modes of a nonlinear magnetic-charged black hole surrounded by quintessence. The time evolution of scalar perturbations is studied for different parameters associated with the black hole solution. We also study the reflection and transmission coefficients along with absorption cross section for the considered black hole spacetime. It was shown that the real part of the quasi-normal frequency increases with increase in the nonlinear magnetic charge while the module of the imaginary part of the frequency decreases. The analysis of the perturbations with changing quintessential parameter c showed that perturbations with high values of c become unstable.

引用

页数：11

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