Emparan, Roberto;
Pedraza, Juan F;
Svesko, Andrew;
Tomasevic, Marija;
Visser, Manus R;
(2022)
Black holes in dS(3).
Journal of High Energy Physics
, 2022
(11)
, Article 073. 10.1007/JHEP11(2022)073.
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Abstract
In three-dimensional de Sitter space classical black holes do not exist, and the Schwarzschild-de Sitter solution instead describes a conical defect with a single cosmological horizon. We argue that the quantum backreaction of conformal fields can generate a black hole horizon, leading to a three-dimensional quantum de Sitter black hole. Its size can be as large as the cosmological horizon in a Nariai-type limit. We show explicitly how these solutions arise using braneworld holography, but also compare to a non-holographic, perturbative analysis of backreaction due to conformally coupled scalar fields in conical de Sitter space. We analyze the thermodynamics of this quantum black hole, revealing it behaves similarly to its classical four-dimensional counterpart, where the generalized entropy replaces the classical Bekenstein-Hawking entropy. We compute entropy deficits due to nucleating the three-dimensional black hole and revisit arguments for a possible matrix model description of dS spacetimes. Finally, we comment on the holographic dual description for dS spacetimes as seen from the braneworld perspective.
| Type: | Article |
|---|---|
| Title: | Black holes in dS(3) |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/JHEP11(2022)073 |
| Publisher version: | https://doi.org/10.1007/JHEP11(2022)073 |
| Language: | English |
| Additional information: | This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. |
| Keywords: | Science & Technology, Physical Sciences, Physics, Particles & Fields, Physics, Black Holes, AdS-CFT Correspondence, STRESS TENSOR, QUANTUM FIELD, SCALAR FIELD, GRAVITY, MASS, THERMODYNAMICS, HIERARCHY, DYNAMICS, CREATION |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10165285 |
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