Laws of black hole thermodynamics in semiclassical gravity

被引：3

作者：

Costa, Bruno Arderucio ^{[1
]}

机构：

[1] Univ British Columbia, 6224 Agr Rd, Vancouver, BC V6T 1Z1, Canada

来源：

CLASSICAL AND QUANTUM GRAVITY | 2020年 / 37卷 / 22期

关键词：

black hole thermodynamics; semiclassical gravity; generalized second law; ENTROPY;

D O I：

10.1088/1361-6382/abb638

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The first and second laws of black hole thermodynamics are verified to emerge from a generic semiclassical theory of gravity for which a Hamiltonian formulation can be defined. The first law is established in stationary spacetimes, and the second law is established in the here defined 'piecewise stationary' spacetimes. Black hole entropy is defined in the Noether charge approach, and the entropy for the matter in its exterior is the von Neumann entropy of the quantum fields. These results strongly support the interpretation of black hole entropy as an account of the information that is hidden behind the horizon.

引用

页数：19

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