Entanglement islands, Page curves and phase transitions of Kerr-AdS black holes.
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| Title: | Entanglement islands, Page curves and phase transitions of Kerr-AdS black holes. |
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| Authors: | Das, Digen1,2 (AUTHOR) rs_digendas@dibru.ac.in, Awal, Mozib Bin1 (AUTHOR) rs_mozibbinawal@dibru.ac.in, Phukon, Prabwal1,3 (AUTHOR) prabwal@dibru.ac.in |
| Source: | European Physical Journal C -- Particles & Fields. Jun2026, Vol. 86 Issue 6, p1-13. 13p. |
| Subjects: | Phase transitions, Kerr black holes, Quantum entropy, Hawking radiation, Quantum information theory, Quantum mechanics |
| Abstract: | We study the Page curve and information paradox for Kerr AdS black hole in light of entanglement entropy by employing the recently proposed island paradigm. By incorporating the island rule, we show that the entanglement entropy of Kerr AdS black hole grows linearly at early times and declines to a constant value at late times in agreement with the well established Page curve. The novelty of this study resides in the investigation of influence of phase transitions on the page curve in two different ensembles. We find that a first order phase transition results in a sharp discontinuity in the Page curve. We study the evaporation process in different scenarios and find that in all the situations, the Page curve doesn't violate the unitary principle of quantum mechanics. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | We study the Page curve and information paradox for Kerr AdS black hole in light of entanglement entropy by employing the recently proposed island paradigm. By incorporating the island rule, we show that the entanglement entropy of Kerr AdS black hole grows linearly at early times and declines to a constant value at late times in agreement with the well established Page curve. The novelty of this study resides in the investigation of influence of phase transitions on the page curve in two different ensembles. We find that a first order phase transition results in a sharp discontinuity in the Page curve. We study the evaporation process in different scenarios and find that in all the situations, the Page curve doesn't violate the unitary principle of quantum mechanics. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 14346044 |
| DOI: | 10.1140/epjc/s10052-026-15820-y |
