Gravity seminar: Daniela Doneva, Univesität Tübingen — Black holes in effective field theories: dynamics and new observational signatures

Black holes in effective field theories, such as scalar-Gauss-Bonnet
theory, offer interesting alternatives to the Kerr solution that can
be tested observationally. In the present talk, we will discuss some
of the most interesting examples of such beyond-Kerr black holes.
Special attention will be paid to the progress in studying their
dynamics in cases when they are isolated and when put in a binary.
Such studies shed light on the nonlinear stability and potential loss
of hyperbolicity of beyond-Kerr black holes from a theoretical
perspective. On the other hand, they are the ultimate tools to predict
gravitational wave emission of black hole coalescence that can deviate
significantly from GR, especially in the nonlinear phase of the
merger.