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arXiv · 2407.00366

Comparison of 4.5PN and 2SF gravitational energy fluxes from quasicircular compact binaries

Niels Warburton·Barry Wardell·David Trestini·Quentin Henry·Adam Pound·Luc Blanchet·Leanne Durkan·Guillaume Faye·Jeremy Miller
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Abstract

Recent years have seen significant advances in models of gravitational waveforms emitted by quasicircular compact binaries in two regimes: the weak-field, post-Newtonian regime, in which the gravitational wave energy flux has now been calculated to fourth-and-a-half post-Newtonian order (4.5PN) [Phys. Rev. Lett. 131}, 121402 (2023)]; and the small-mass-ratio, gravitational self-force regime, in which the flux has now been calculated to second perturbative order in the mass ratio (2SF) [Phys. Rev. Lett. 127, 151102 (2021)]. We compare these results and find agreement, showing consistency between the two (very distinct though both first-principle) perturbative calculations.

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Niels Warburton, Barry Wardell, David Trestini, Quentin Henry, Adam Pound, Luc Blanchet, Leanne Durkan, Guillaume Faye, Jeremy Miller. 2024-06-29. Comparison of 4.5PN and 2SF gravitational energy fluxes from quasicircular compact binaries. https://doi.org/10.1103/tzsw-kcyt

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