Quasinormal modes of a d-dimensional regular black hole featuring an integrable singularity
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| Main Authors: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866910863255928832 |
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| author | Dong, Zhongzhinan Zhang, Dan Fu, Guoyang Wu, Jian-Pin |
| author_facet | Dong, Zhongzhinan Zhang, Dan Fu, Guoyang Wu, Jian-Pin |
| contents | In this paper, we exhaustively investigate the quasinormal modes (QNMs) of a probe scalar field over a d-dimensional regular black hole (BH) characterized by the parameter A. The quasinormal frequencies (QNFs) exhibit different behaviors with respect to the parameter A for d = 4 and d > 4. Firstly, the trends of QNFs with respect to A exhibit completely opposite patterns for the case of d = 4 and d > 4. Secondly, in the 4-dimensional regular BH, a non-monotonic behavior with respect to A is observed in the imaginary part of the fundamental modes with vanishing angular quantum number. In contrast, this non-monotonic behavior only appears in the overtones when d > 4. Thirdly, an overtone outburst accompanied by an oscillatory patter is observed only in the case of d > 4, but not in d = 4. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_20457 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quasinormal modes of a d-dimensional regular black hole featuring an integrable singularity Dong, Zhongzhinan Zhang, Dan Fu, Guoyang Wu, Jian-Pin General Relativity and Quantum Cosmology In this paper, we exhaustively investigate the quasinormal modes (QNMs) of a probe scalar field over a d-dimensional regular black hole (BH) characterized by the parameter A. The quasinormal frequencies (QNFs) exhibit different behaviors with respect to the parameter A for d = 4 and d > 4. Firstly, the trends of QNFs with respect to A exhibit completely opposite patterns for the case of d = 4 and d > 4. Secondly, in the 4-dimensional regular BH, a non-monotonic behavior with respect to A is observed in the imaginary part of the fundamental modes with vanishing angular quantum number. In contrast, this non-monotonic behavior only appears in the overtones when d > 4. Thirdly, an overtone outburst accompanied by an oscillatory patter is observed only in the case of d > 4, but not in d = 4. |
| title | Quasinormal modes of a d-dimensional regular black hole featuring an integrable singularity |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2412.20457 |