Post-Newtonian waveforms from spinning scattering amplitudes

@article{Bautista2022PostNewtonianWF,
  title={Post-Newtonian waveforms from spinning scattering amplitudes},
  author={Yilber Fabian Bautista and Nils Siemonsen},
  journal={Journal of High Energy Physics},
  year={2022},
  volume={2022},
  pages={1-36}
}
We derive the classical gravitational radiation from an aligned spin binary black hole on closed orbits, using a dictionary built from the 5-point QFT scattering amplitude of two massive particles exchanging and emitting a graviton. We show explicitly the agreement of the transverse-traceless components of the radiative linear metric perturbations — and the corresponding gravitational wave energy flux — at future null infinity, derived from the scattering amplitude and those derived utilizing… 
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