Black-hole binaries and waveforms in Quadratic Gravity
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909539905830912 |
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| author | Held, Aaron Lim, Hyun |
| author_facet | Held, Aaron Lim, Hyun |
| contents | We report on the first numerical-relativity simulations of black-hole binaries that deviate from General Relativity due to quadratic-curvature corrections. Said theory of Quadratic Gravity propagates additional massive modes and admits both Kerr and non-Kerr black-hole solutions. We chose the respective masses "at threshold", i.e., such that (at least) one of the black holes dynamically transitions from the Kerr to the non-Kerr branch during the early inspiral. The subsequent waveforms differ from their General Relativity counterparts throughout inspiral, merger, and ringdown. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_13428 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Black-hole binaries and waveforms in Quadratic Gravity Held, Aaron Lim, Hyun General Relativity and Quantum Cosmology We report on the first numerical-relativity simulations of black-hole binaries that deviate from General Relativity due to quadratic-curvature corrections. Said theory of Quadratic Gravity propagates additional massive modes and admits both Kerr and non-Kerr black-hole solutions. We chose the respective masses "at threshold", i.e., such that (at least) one of the black holes dynamically transitions from the Kerr to the non-Kerr branch during the early inspiral. The subsequent waveforms differ from their General Relativity counterparts throughout inspiral, merger, and ringdown. |
| title | Black-hole binaries and waveforms in Quadratic Gravity |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2503.13428 |