Thermodynamics and Null Geodesics of a Bardeen Black Hole Surrounded by Quintessence

被引：17
|
作者：
Ghaderi, K. [1 ]
Malakolkalami, B. [2 ]
机构：
[1] Islamic Azad Univ, Marivan Branch, Dept Phys, Marivan, Iran
[2] Univ Kurdistan, Dept Phys, Pasdaran St, Sanandaj, Iran
来源：
GRAVITATION & COSMOLOGY | 2018年 / 24卷 / 01期
关键词：
COSMOLOGICAL CONSTANT; DARK ENERGY; SUPERNOVAE; WMAP;
D O I：
10.1134/S0202289318010073
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the thermodynamics of a Bardeen black hole surrounded by quintessence, and we analyze null geodesics and all kinds of orbits corresponding to the energy levels for this black hole. Using the thermodynamical laws of the black holes, we derive the thermodynamic properties and investigate the mass, temperature and heat capacity as functions of entropy. We also study the circular orbits, calculate the deflection angle of photons and compare our results with those obtained for the Schwarzschild black hole surrounded by quintessence matter.
引用
收藏
页码：61 / 70
页数：10
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