Speaker
Dr
A. Le Tiec
(Observatoire de Paris)
Description
In this lecture, I will give an introduction to the analytical
approximation methods that are used to model the orbital dynamics and
gravitational-wave emission of binary systems of compact objects (neutrons stars and
black holes), namely the post-Newtonian approximation, black hole perturbation
theory and the gravitational self-force formalism, and the effective one-body model.
The key ideas underlying each approximation method will be illustrated in the
simplest cases, while state of the art results and sub-leading physical effects
(spins, tidal deformations) will be briefly reviewed.