Speaker
Andrea Placidi
(University of Perugia)
Description
In this talk, based on the recent work [2503.05487], I will present a new way of formulating the effective-one-body (EOB) dynamics, particularly useful for implementing post-Minkowskian results in waveform models for compact binaries. After having motivated the change of paradigm that this new approach brings forth, I will go over its main characteristics and show how it yields, with the crucial use of a Lagrange multiplier in the EOB action, new EOB equations of motion in Euler-Lagrange form. Finally, I will show the performance of an EOB model, built upon this new Lagrange-EOB dynamics, that combines post-Newtonian and post-Minkowskian information.
Authors
Thibault Damour
(IHES)
Alessandro Nagar
(Istituto Nazionale di Fisica Nucleare)
Andrea Placidi
(University of Perugia)
Dr
Piero Rettegno
(INFN - sezione di Torino)
