Quantum corrections to the entropy of Einstein-Maxwell dilaton-axion black holes

被引：9

作者：

Akbar, M. ^{[2
]}

Saifullah, K. ^{[1
]}

机构：

[1] Quaid I Azam Univ, Dept Math, Islamabad, Pakistan

[2] Natl Univ Sci & Technol, Ctr Adv Math & Phys, Rawalpindi, Pakistan

来源：

GENERAL RELATIVITY AND GRAVITATION | 2011年 / 43卷 / 04期

关键词：

Black holes; Quantum corrections; Entropy; Thermodynamics; FIELD-EQUATIONS; SCALAR FIELD; THERMODYNAMICS; HORIZON;

D O I：

10.1007/s10714-010-0962-z

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study corrections to the entropy of Einstein-Maxwell dilaton-axion black holes beyond semiclassical approximations. We consider the entropy of the black hole as a state variable and derive these corrections using the exactness criteria of the first law of thermodynamics. We note that from this general frame-work the entropy corrections for "simpler" black holes like Schwarzschild, Reissner-Nordstrom and anti-de Sitter-Schwarzschild black holes follow easily. This procedure gives us the modified area law as well.

引用

页码：933 / 943

页数：11

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