Spin-aligned inspiral waveforms from self-force and post-Newtonian theory
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918163200868352 |
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| author | Honet, Loïc Mathews, Josh Compère, Geoffrey Pound, Adam Wardell, Barry Piovano, Gabriel Andres van de Meent, Maarten Warburton, Niels |
| author_facet | Honet, Loïc Mathews, Josh Compère, Geoffrey Pound, Adam Wardell, Barry Piovano, Gabriel Andres van de Meent, Maarten Warburton, Niels |
| contents | We present the state-of-the-art waveform model WaSABI-C for quasicircular inspirals of spinning black hole binaries with aligned or anti-aligned spins. Our model synthesizes the most up-to-date first- and second-order gravitational self-force results with high-order post-Newtonian expansions through a systematic hybridization procedure. This approach captures both strong-field and weak-field dynamics with high fidelity, enabling accurate modeling of spin-(anti)aligned inspirals across a wide parameter space. The resulting waveforms mark a significant advance in the precision of self-force-based templates, providing critical input for the detection and interpretation of gravitational waves from compact binaries with future observatories such as LISA and ET. We accompany this work with the release of WaSABI (Waveform Simulations of Asymmetric Binary Inspirals), a public package implementing our model for community use and further development. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_16112 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spin-aligned inspiral waveforms from self-force and post-Newtonian theory Honet, Loïc Mathews, Josh Compère, Geoffrey Pound, Adam Wardell, Barry Piovano, Gabriel Andres van de Meent, Maarten Warburton, Niels General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena We present the state-of-the-art waveform model WaSABI-C for quasicircular inspirals of spinning black hole binaries with aligned or anti-aligned spins. Our model synthesizes the most up-to-date first- and second-order gravitational self-force results with high-order post-Newtonian expansions through a systematic hybridization procedure. This approach captures both strong-field and weak-field dynamics with high fidelity, enabling accurate modeling of spin-(anti)aligned inspirals across a wide parameter space. The resulting waveforms mark a significant advance in the precision of self-force-based templates, providing critical input for the detection and interpretation of gravitational waves from compact binaries with future observatories such as LISA and ET. We accompany this work with the release of WaSABI (Waveform Simulations of Asymmetric Binary Inspirals), a public package implementing our model for community use and further development. |
| title | Spin-aligned inspiral waveforms from self-force and post-Newtonian theory |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2510.16112 |