Dark Matter-Independent Orbital Decay Bounds on Ultralight Bosons from OJ287
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arXiv
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| Format: | Preprint |
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2025
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| author | Ding, Qianhang He, Minxi Takhistov, Volodymyr Zhu, Hui-Yu |
| author_facet | Ding, Qianhang He, Minxi Takhistov, Volodymyr Zhu, Hui-Yu |
| contents | Ultralight bosons, predicted in scenarios beyond the Standard Model and viable dark matter (DM) candidates, can form superradiant clouds around spinning black holes influencing their dynamics. Using century-long monitored OJ287 supermassive black hole binary we set first DM-independent, dynamical constraints on their masses $μ= (8.5-22) \times 10^{-22}$ eV. These dynamical constraints, driven by boson cloud friction, are robust against DM-model uncertainties and offer a novel ultralight boson probe. We show that analogous superradiant dynamics across the cosmic population of supermassive black hole systems could help resolve final-parsec evolution stalling problem and imprint a detectable suppression and break in the gravitational wave background. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2505_09696 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Dark Matter-Independent Orbital Decay Bounds on Ultralight Bosons from OJ287 Ding, Qianhang He, Minxi Takhistov, Volodymyr Zhu, Hui-Yu High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology Ultralight bosons, predicted in scenarios beyond the Standard Model and viable dark matter (DM) candidates, can form superradiant clouds around spinning black holes influencing their dynamics. Using century-long monitored OJ287 supermassive black hole binary we set first DM-independent, dynamical constraints on their masses $μ= (8.5-22) \times 10^{-22}$ eV. These dynamical constraints, driven by boson cloud friction, are robust against DM-model uncertainties and offer a novel ultralight boson probe. We show that analogous superradiant dynamics across the cosmic population of supermassive black hole systems could help resolve final-parsec evolution stalling problem and imprint a detectable suppression and break in the gravitational wave background. |
| title | Dark Matter-Independent Orbital Decay Bounds on Ultralight Bosons from OJ287 |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2505.09696 |