Jul 5 – 10, 2021
Europe/Rome timezone

An overview of quasinormal modes in modified and extended gravity

Jul 6, 2021, 9:55 AM
25m
Talk in the parallel session Black Holes in alternative theories of gravity Black Holes in Alternative Theories of Gravity

Speaker

Aurélien Barrau (LPSC - CNRS)

Description

As gravitational waves are now being nearly routinely measured with interferometers, the question
of using them to probe new physics becomes increasingly legitimate. In this article, we rely on a
well established framework to investigate how the complex frequencies of quasinormal modes are
affected by different models. The tendencies are explicitly shown for both the pulsation and the
damping rate. The goal is, at this stage, purely qualitative. This opportunity is also taken to derive
the Regge-Wheeler equation for general static and spherically symmetric metrics.
Based on: Moulin, Barrau, Martineau, Universe 5 (2019) 9, 202

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