Post-Minkowskian self-force in the low-velocity limit: scalar field scattering
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866912084352040960 |
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| author | Bini, Donato Geralico, Andrea Kavanagh, Chris Pound, Adam Usseglio, Davide |
| author_facet | Bini, Donato Geralico, Andrea Kavanagh, Chris Pound, Adam Usseglio, Davide |
| contents | In this paper we present an approach to compute analytical post-Minkowskian corrections to unbound two-body scattering in the self-force formalism. Our method relies on a further low-velocity (post-Newtonian) expansion of the motion. We present a general strategy valid for gravitational and non-gravitational self-force, and we explicitly demonstrate our approach for a scalar charge scattering off a Schwarzschild black hole. We compare our results with recent calculations in [Barack et al., PRD 108, 024025 (2023)], showing complete agreement where appropriate and fixing undetermined scale factors in their calculation. Our results also extend their results by including in our dissipative sector the contributions from the flux into the black hole horizon. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2406_15878 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Post-Minkowskian self-force in the low-velocity limit: scalar field scattering Bini, Donato Geralico, Andrea Kavanagh, Chris Pound, Adam Usseglio, Davide General Relativity and Quantum Cosmology In this paper we present an approach to compute analytical post-Minkowskian corrections to unbound two-body scattering in the self-force formalism. Our method relies on a further low-velocity (post-Newtonian) expansion of the motion. We present a general strategy valid for gravitational and non-gravitational self-force, and we explicitly demonstrate our approach for a scalar charge scattering off a Schwarzschild black hole. We compare our results with recent calculations in [Barack et al., PRD 108, 024025 (2023)], showing complete agreement where appropriate and fixing undetermined scale factors in their calculation. Our results also extend their results by including in our dissipative sector the contributions from the flux into the black hole horizon. |
| title | Post-Minkowskian self-force in the low-velocity limit: scalar field scattering |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2406.15878 |