Boundary conditions for extremal black holes from 2d gravity

被引：3

作者：

Detournay, Stephane ^{[1
]}

Smoes, Thomas ^{[1
]}

Wutte, Raphaela ^{[1
,2
,3
]}

机构：

[1] Univ Libre Bruxelles, Phys Math Interact Fondamentales, Campus Plaine CP 231, B-1050 Brussels, Belgium

[2] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA

[3] Arizona State Univ, Beyond Ctr Fundamental Concepts Sci, Tempe, AZ 85287 USA

来源：

SCIPOST PHYSICS | 2024年 / 16卷 / 05期

关键词：

ASYMPTOTIC SYMMETRIES; GRAVITATIONAL WAVES; GENERAL RELATIVITY; GEOMETRY;

D O I：

10.21468/SciPostPhys.16.5.141

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We devise new boundary conditions for the near-horizon geometries of extremal BTZ and Kerr black holes, as well as for the ultra-cold limit of the Kerr-de Sitter black hole. These boundary conditions are obtained as the higher-dimensional uplift of recently proposed boundary conditions in two-dimensional gravity. Their asymptotic symmetries consist in the semi-direct product of a Virasoro and a current algebra, of which we determine the central extensions.

引用

页数：24

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