Speaker
Andrea Cristofoli
(University of Edinburgh)
Description
I will present an on-shell framework for studying the self-force expansion in terms of scattering amplitudes on a curved background and their classical limit. I will first introduce the self-force expansion within the context of a plane wave background, presenting the relevant on-shell building blocks required for evaluating observables, such as scattering waveforms. Following that, I will discuss the self-force expansion on Schwarzschild, focusing on the on-shell data involved and their interpretation as resummation of ordinary perturbative amplitudes in vacuum.
