Quasinormal modes of a regular black hole with sub-Planckian curvature
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866917600127090688 |
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| author | Zhang, Dan Gong, Huajie Fu, Guoyang Wu, Jian-Pin Pan, Qiyuan |
| author_facet | Zhang, Dan Gong, Huajie Fu, Guoyang Wu, Jian-Pin Pan, Qiyuan |
| contents | This paper explores the properties of the quasinormal modes (QNMs) of a regular black hole(BH) characterized by a Minkowski core and sub-Planckian curvature. When focusing on a special case, this regular BH exhibits identical large-scale behavior with the Hayward BH and some loop quantum gravity corrected (LQG-corrected) BH. A notable characteristic of the QNMs in this regular BH is the pronounced outburst of overtones when compared to the Schwarzschild BH (SS-BH). This outburst can be attributed to the deviation from the SS-BH in the near-horizon geometry region due to the quantum gravity effect. Furthermore, we compare the QNM properties of the regular BH with those of the Hayward BH and the LQG-corrected BH. A similar phenomenon of overtone outburst is observed in the modes of the overtone. As a conclusion, the QNMs may be a powerful tool for detecting the quantum gravity effect and distinguishing different BH models. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2402_15085 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quasinormal modes of a regular black hole with sub-Planckian curvature Zhang, Dan Gong, Huajie Fu, Guoyang Wu, Jian-Pin Pan, Qiyuan General Relativity and Quantum Cosmology High Energy Physics - Theory This paper explores the properties of the quasinormal modes (QNMs) of a regular black hole(BH) characterized by a Minkowski core and sub-Planckian curvature. When focusing on a special case, this regular BH exhibits identical large-scale behavior with the Hayward BH and some loop quantum gravity corrected (LQG-corrected) BH. A notable characteristic of the QNMs in this regular BH is the pronounced outburst of overtones when compared to the Schwarzschild BH (SS-BH). This outburst can be attributed to the deviation from the SS-BH in the near-horizon geometry region due to the quantum gravity effect. Furthermore, we compare the QNM properties of the regular BH with those of the Hayward BH and the LQG-corrected BH. A similar phenomenon of overtone outburst is observed in the modes of the overtone. As a conclusion, the QNMs may be a powerful tool for detecting the quantum gravity effect and distinguishing different BH models. |
| title | Quasinormal modes of a regular black hole with sub-Planckian curvature |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2402.15085 |