Quantum Improved Regular Kerr Black Holes
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866910642730958848 |
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| author | Chen, Chiang-Mei Chen, Yi Ishibashi, Akihiro Ohta, Nobuyoshi |
| author_facet | Chen, Chiang-Mei Chen, Yi Ishibashi, Akihiro Ohta, Nobuyoshi |
| contents | We study the quantum improvement of Kerr black holes with mass-dependent scale identifications in asymptotically safe gravity. We find that a physically sensible identification can only be a function of $Mr$ and the area $A=4π(r^2+a^2)$ where $M$ is the mass of the black hole and $a$ is an angular momentum parameter. We then discuss various properties of the rotating quantum black holes for a simple choice of the identification. We show that the resulting regular rotating black holes have the following nice properties: (i) admitting a consistent black hole thermodynamics at the horizon, (ii) resolving the ring singularity, (iii) partially eliminating closed time-like curves present in the classical Kerr black holes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_16356 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Quantum Improved Regular Kerr Black Holes Chen, Chiang-Mei Chen, Yi Ishibashi, Akihiro Ohta, Nobuyoshi High Energy Physics - Theory General Relativity and Quantum Cosmology We study the quantum improvement of Kerr black holes with mass-dependent scale identifications in asymptotically safe gravity. We find that a physically sensible identification can only be a function of $Mr$ and the area $A=4π(r^2+a^2)$ where $M$ is the mass of the black hole and $a$ is an angular momentum parameter. We then discuss various properties of the rotating quantum black holes for a simple choice of the identification. We show that the resulting regular rotating black holes have the following nice properties: (i) admitting a consistent black hole thermodynamics at the horizon, (ii) resolving the ring singularity, (iii) partially eliminating closed time-like curves present in the classical Kerr black holes. |
| title | Quantum Improved Regular Kerr Black Holes |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2308.16356 |