Flat information geometries in black hole thermodynamics

被引：85

作者：

Aman, Jan E. ^{[1
]}

Bengtsson, Ingemar ^{[1
]}

Pidokrajt, Narit ^{[1
]}

机构：

[1] Stockholm Univ, AlbaNova Fysikum, S-10691 Stockholm, Sweden

来源：

GENERAL RELATIVITY AND GRAVITATION | 2006年 / 38卷 / 08期

关键词：

D O I：

10.1007/s10714-006-0306-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Hessian of either the entropy or the energy function can be regarded as a metric on a Gibbs surface. For two parameter families of asymptotically flat black holes in arbitrary dimension one or the other of these metrics are flat, and the state space is a flat wedge. The mathematical reason for this is traced back to the scale invariance of the Einstein-Maxwell equations. The picture of state space that we obtain makes some properties such as the occurence of divergent specific heats transparent.

引用

页码：1305 / 1315

页数：11

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