Note on covariant action integrals in three dimensions

被引：31

作者：

Banados, M ^{[1
]}

Mendez, F

机构：

[1] Univ Zaragoza, Fac Ciencias, Dept Fis Teor, E-50009 Zaragoza, Spain

[2] Ctr Estudios Cient, Valdivia 9, Chile

[3] Univ Chile, Fac Ciencias, Dept Fis, Santiago, Chile

来源：

PHYSICAL REVIEW D | 1998年 / 58卷 / 10期

关键词：

D O I：

10.1103/PhysRevD.58.104014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We compute, in the saddle point approximation, the partition function for the 2 + 1 black hole using the Gibbons-Hawking approach. Some issues concerning thr definition of thermodynamical ensembles are clarified. It is pointed out that the right action in covariant form is exactly equal to the Chern-Simons action with no added boundary terms. This action is finite, yields the right canonical free energy and has an extremum when the temperature and angular velocity are fixed. The correspondence with a 1 + 1 CFT is indicated. [S0556-2821(98)08920-6].

引用

页数：5

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