The Amplitude for Classical Gravitational Scattering at Third Post-Minkowskian Order

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...

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Detalles Bibliográficos
Autores principales: Bjerrum-Bohr, N.Emil J., Damgaard, Poul H., Planté, Ludovic, Vanhove, Pierre
Lenguaje:eng
Publicado: 2021
Materias:
hep-ph
Particle Physics - Phenomenology
gr-qc
General Relativity and Cosmology
hep-th
Particle Physics - Theory
Acceso en línea:https://dx.doi.org/10.1007/JHEP08(2021)172
http://cds.cern.ch/record/2766577
Descripción
Sumario: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.

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