Gravitational Bremsstrahlung from reverse unitarity
Abstract: We compute the total radiated momentum carried by gravitational waves during the scattering of two spinless black holes at the lowest order in Newton’s constant, O(G3), and all orders in velocity. By analytic continuation into the bound state regime, we obtain the O(G3) energy loss in elliptic orbits. This provides an essential step toward the complete understanding of the third-post-Minkowskian binary dynamics. We employ the formalism of Kosower, Maybee, and O’Connell (KMOC), which relates classical observables to quantum scattering amplitudes, and derive the relevant integrands using generalized unitarity. The subsequent phase-space integrations are performed via the reverse unitarity method familiar from collider physics, using differential equations to obtain the exact velocity dependence from near-static boundary conditions
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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Physical review letters. - 126, 20 (2021) , 201602, ISSN: 1079-7114
- Klassifikation
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Physik
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
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2024
- Urheber
- DOI
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10.1103/physrevlett.126.201602
- URN
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urn:nbn:de:bsz:25-freidok-2468326
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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25.03.2025, 13:49 MEZ
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Beteiligte
- Herrmann, Enrico
- Parra-Martinez, Julio
- Ruf, Michael
- Zeng, Mao
- Universität
Entstanden
- 2024
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