The volume of the black hole interior at late times

Abstract Understanding the fate of semi-classical black hole solutions at very late times is one of the most important open questions in quantum gravity. In this paper, we provide a path integral definition of the volume of the black hole interior and study it at arbitrarily late times for black hol...

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Main Authors: Luca V. Iliesiu, Márk Mezei, Gábor Sárosi
Format: Article
Language:English
Published: SpringerOpen 2022-07-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP07(2022)073
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author Luca V. Iliesiu
Márk Mezei
Gábor Sárosi
author_facet Luca V. Iliesiu
Márk Mezei
Gábor Sárosi
author_sort Luca V. Iliesiu
collection DOAJ
description Abstract Understanding the fate of semi-classical black hole solutions at very late times is one of the most important open questions in quantum gravity. In this paper, we provide a path integral definition of the volume of the black hole interior and study it at arbitrarily late times for black holes in various models of two-dimensional gravity. Because of a novel universal cancellation between the contributions of the semi-classical black hole spectrum and some of its non-perturbative corrections, we find that, after a linear growth at early times, the length of the interior saturates at a time, and towards a value, that is exponentially large in the entropy of the black hole. This provides a non-perturbative test of the complexity equals volume proposal since complexity is also expected to plateau at the same value and at the same time.
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spelling doaj.art-83ca8d4b5a4f487eae506e05e19f77e42022-12-22T00:42:07ZengSpringerOpenJournal of High Energy Physics1029-84792022-07-012022713710.1007/JHEP07(2022)073The volume of the black hole interior at late timesLuca V. Iliesiu0Márk Mezei1Gábor Sárosi2Stanford Institute for Theoretical Physics, Stanford UniversitySimons Center for Geometry and Physics, SUNYCERN, Theoretical Physics DepartmentAbstract Understanding the fate of semi-classical black hole solutions at very late times is one of the most important open questions in quantum gravity. In this paper, we provide a path integral definition of the volume of the black hole interior and study it at arbitrarily late times for black holes in various models of two-dimensional gravity. Because of a novel universal cancellation between the contributions of the semi-classical black hole spectrum and some of its non-perturbative corrections, we find that, after a linear growth at early times, the length of the interior saturates at a time, and towards a value, that is exponentially large in the entropy of the black hole. This provides a non-perturbative test of the complexity equals volume proposal since complexity is also expected to plateau at the same value and at the same time.https://doi.org/10.1007/JHEP07(2022)073AdS-CFT CorrespondenceBlack HolesMatrix Models
spellingShingle Luca V. Iliesiu
Márk Mezei
Gábor Sárosi
The volume of the black hole interior at late times
Journal of High Energy Physics
AdS-CFT Correspondence
Black Holes
Matrix Models
title The volume of the black hole interior at late times
title_full The volume of the black hole interior at late times
title_fullStr The volume of the black hole interior at late times
title_full_unstemmed The volume of the black hole interior at late times
title_short The volume of the black hole interior at late times
title_sort volume of the black hole interior at late times
topic AdS-CFT Correspondence
Black Holes
Matrix Models
url https://doi.org/10.1007/JHEP07(2022)073
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