Accretion and evaporation of modified Hayward black hole

被引：66

作者：

Debnath, Ujjal ^{[1
]}

机构：

[1] Indian Inst Engn Sci & Technol, Dept Math, Sibpur 711103, Howrah, India

来源：

EUROPEAN PHYSICAL JOURNAL C | 2015年 / 75卷 / 03期

关键词：

PROBE WMAP OBSERVATIONS; ENERGY COMPONENT; CHAPLYGIN-GAS; EVOLUTION; LAMBDA; SCHWARZSCHILD; EQUATION; UNIVERSE; RELEASE; MATTER;

D O I：

10.1140/epjc/s10052-015-3349-1

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 assume the most general static spherically symmetric black hole metric. The accretion of any general kind of fluid flow around the black hole is investigated. The accretion of the fluid flow around the modified Hayward black hole is analyzed, and we then calculate the critical point, the fluid's four-velocity, and the velocity of sound during the accretion process. Also the nature of the dynamical mass of the black hole during accretion of the fluid flow, taking into consideration Hawking radiation from the black hole, i.e., evaporation of the black hole, is analyzed.

引用

页数：5

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