The amplitude for classical gravitational scattering at third Post-Minkowskian order

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We compute the scattering amplitude for classical black-hole scattering to third order in the Post-Minkowskian expansion, keeping all terms needed to derive the scattering angle to that order from the eikonal formalism. Our results confirm a conjectured relation between the real and imaginary parts of the amplitude by Di Vecchia, Heissenberg, Russo, and Veneziano, and are in agreement with a recent computation by Damour based on radiation reaction in general relativity.

Original languageEnglish
Article number172
JournalJournal of High Energy Physics
Issue number8
Number of pages32
Publication statusPublished - 31 Aug 2021

    Research areas

  • Scattering Amplitudes, Classical Theories of Gravity, Effective Field Theories, GRAVITY

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