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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2403.19392 |
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| _version_ | 1866910494941511680 |
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| author | Xu, Hengyu Zhan, Yizhi Zhang, Shao-Jun |
| author_facet | Xu, Hengyu Zhan, Yizhi Zhang, Shao-Jun |
| contents | We study the phenomenon of spontaneous scalarization in parameterized Schwarzschild-like black holes. Two metrics are considered, the Konoplya-Zhidenko metric and the Johannsen-Psaltis metric. While these metrics can mimic the Schwarzschild black hole well in the weak-field regime, they have deformed geometries in the near-horizon strong-field region. Such deformations notably influence the emergence of tachyonic instability and subsequent spontaneous scalarization, enabling a clear distinction between these parameterized metrics and the standard Schwarzschild metric. These results suggest a possible way to test the parameterized black holes and thus the Kerr hypothesis by observing the phenomenon of spontaneous scalarization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_19392 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Tachyonic instability and spontaneous scalarization in parameterized Schwarzschild-like black holes Xu, Hengyu Zhan, Yizhi Zhang, Shao-Jun General Relativity and Quantum Cosmology We study the phenomenon of spontaneous scalarization in parameterized Schwarzschild-like black holes. Two metrics are considered, the Konoplya-Zhidenko metric and the Johannsen-Psaltis metric. While these metrics can mimic the Schwarzschild black hole well in the weak-field regime, they have deformed geometries in the near-horizon strong-field region. Such deformations notably influence the emergence of tachyonic instability and subsequent spontaneous scalarization, enabling a clear distinction between these parameterized metrics and the standard Schwarzschild metric. These results suggest a possible way to test the parameterized black holes and thus the Kerr hypothesis by observing the phenomenon of spontaneous scalarization. |
| title | Tachyonic instability and spontaneous scalarization in parameterized Schwarzschild-like black holes |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2403.19392 |