N. Emil J. Bjerrum-Bohr

TL;DR: In this article, the authors 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.

TL;DR: In this article, a systematic method to determine BCJ numerators for one-loop amplitudes is presented, which explores the global constraints on the loop momentum dependence and shows how to obtain simple BCJ box numerators using a relationship with amplitudes in selfdual gauge theory.

TL;DR: In this paper, the authors describe an efficient method for extracting the parts of loop integrals that are needed in obtaining the classical limit from the scattering amplitudes of binary mergers such as black holes.

TL;DR: In this paper, a diagrammatic tool for computing covariant tree-level amplitudes with pairs of spinning massive particles using compact exponential numerators is presented, in which non-integer spin extensions of recurrence relations for amplitudes developed for integer spin are discussed.

TL;DR: In this paper, the authors present a systematic method to determine BCJ numerators for one-loop amplitudes that explores the global constraints on the loop momentum dependence, and apply this method to amplitudes in N = 4 gauge theory.