Probing quadratic gravity with black-hole ringdown gravitational waves measured by LIGO-Virgo-KAGRA detectors
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866912436622196736 |
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| author | Chung, Adrian Ka-Wai Yunes, Nicolás |
| author_facet | Chung, Adrian Ka-Wai Yunes, Nicolás |
| contents | Quadratic gravity theories emerge as the low-energy limit of many grand-unified and quantum-gravity theories. We report the first gravitational-wave ringdown constraints on such theories obtained purely from the quasinormal-mode spectra of rapidly-spinning black-hole remnants. We find no quadratic-gravity signatures from ringdown signals measured by the LIGO-Virgo-KAGRA detectors, thereby constraining the coupling length scale of axi-dilaton gravity below 34 km, dynamical Chern-Simons gravity below 49 km, and scalar Gauss-Bonnet gravity below 47 km. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_14695 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Probing quadratic gravity with black-hole ringdown gravitational waves measured by LIGO-Virgo-KAGRA detectors Chung, Adrian Ka-Wai Yunes, Nicolás General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena Quadratic gravity theories emerge as the low-energy limit of many grand-unified and quantum-gravity theories. We report the first gravitational-wave ringdown constraints on such theories obtained purely from the quasinormal-mode spectra of rapidly-spinning black-hole remnants. We find no quadratic-gravity signatures from ringdown signals measured by the LIGO-Virgo-KAGRA detectors, thereby constraining the coupling length scale of axi-dilaton gravity below 34 km, dynamical Chern-Simons gravity below 49 km, and scalar Gauss-Bonnet gravity below 47 km. |
| title | Probing quadratic gravity with black-hole ringdown gravitational waves measured by LIGO-Virgo-KAGRA detectors |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2506.14695 |