On Gauss-Bonnet black hole entropy

被引：117

作者：

Clunan, T ^{[1
]}

Ross, SF ^{[1
]}

Smith, DJ ^{[1
]}

机构：

[1] Univ Durham, Dept Math Sci, Ctr Particle Theory, Durham DH1 3LE, England

来源：

CLASSICAL AND QUANTUM GRAVITY | 2004年 / 21卷 / 14期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1088/0264-9381/21/14/009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the entropy of black holes in Gauss-Bonnet and Lovelock gravity using the Noether charge approach, in which the entropy is given as the integral of a suitable (n - 2) form charge over the event horizon. We compare the results to those obtained in other approaches. We also comment on the appearance of negative entropies in some cases, and show that there is an additive ambiguity in the definition of the entropy which can be appropriately chosen to avoid this problem.

引用

页码：3447 / 3458

页数：12

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