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hep-th2024
On-Shell Approach to Black Hole Mergers
Katsuki Aoki, Andrea Cristofoli, Yu-tin Huang
We develop an on-shell approach to study black hole mergers. Since, asymptotically, the initial and final states can be described by point-like spinning particles, we propose a mas…
hep-th2024
Cosmology and the classical limit of the S-matrix
Katsuki Aoki, Andrea Cristofoli
We investigate the relationships between classical observables in cosmology and the classical limit of quantum scattering amplitudes. We first look at the relation between Bogoliub…