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Remodeling the Effective One-Body Formalism in Post-Minkowskian Gravity
Poul H. Damgaard, Pierre Vanhove
The Effective One-Body formalism of the gravitational two-body problem in general relativity is reconsidered in the light of recent scattering amplitude calculations. Based on the…
On an Exponential Representation of the Gravitational S-Matrix
Poul H. Damgaard, Ludovic Plante, Pierre Vanhove
An exponential representation of the S-matrix provides a natural framework for understanding the semi-classical limit of scattering amplitudes. While sharing some similarities with…
The Amplitude for Classical Gravitational Scattering at Third Post-Minkowskian Order
N. E. J. Bjerrum-Bohr, P. H. Damgaard, L. Planté +1
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…
Classical Gravity from Loop Amplitudes
N. Emil J. Bjerrum-Bohr, Poul H. Damgaard, Ludovic Planté +1
We describe an efficient method for extracting the parts of -dimensional loop integrals that are needed to derive observables in classical general relativity from scattering amp…