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  Quantum Extremal Islands Made Easy, Part II: Black Holes on the Brane

Chen, H. Z., Myers, R. C., Neuenfeld, D., Reyes, I., & Sandor, J. (2020). Quantum Extremal Islands Made Easy, Part II: Black Holes on the Brane. Journal of High Energy Physics, 2020(12): 25. doi:10.1007/JHEP12(2020)025.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-4E71-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-A4C0-6
Genre: Journal Article

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 Creators:
Chen, Hong Zhe, Author
Myers, Robert C., Author
Neuenfeld, Dominik, Author
Reyes, Ignacio1, Author              
Sandor, Joshua, Author
Affiliations:
1Gravity, Quantum Fields and Information, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_2477692              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: We discuss holographic models of extremal and non-extremal black holes in contact with a bath in d dimensions, based on a brane world model introduced in arXiv:2006.04851. The main benefit of our setup is that it allows for a high degree of analytic control as compared to previous work in higher dimensions. We show that the appearance of quantum extremal islands in those models is a consequence of the well-understood phase transition of RT surfaces, and does not make any direct reference to ensemble averaging. For non-extremal black holes the appearance of quantum extremal islands has the right behaviour to avoid the information paradox in any dimension. We further show that for these models the calculation of the full Page curve is possible in any dimension. The calculation reduces to numerically solving two ODEs. In the case of extremal black holes in higher dimensions, we find no quantum extremal islands for a wide range of parameters. In two dimensions, our results agree with arXiv:1910.11077 at leading order; however a finite UV cutoff introduced by the brane results in subleading corrections. For example, these corrections result in the quantum extremal surfaces moving further outward from the horizon, and shifting the Page transition to a slightly earlier time.

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 Dates: 2020-09-302020-12-03
 Publication Status: Published in print
 Pages: 84 pages, 24 figures
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 Rev. Type: -
 Identifiers: arXiv: 2010.00018
DOI: 10.1007/JHEP12(2020)025
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Title: Journal of High Energy Physics
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Pages: - Volume / Issue: 2020 (12) Sequence Number: 25 Start / End Page: - Identifier: -