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An overview of quasinormal modes in modified and extended gravity

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arxiv 1908.06311 v3 pith:3DILL4MF submitted 2019-08-17 gr-qc astro-ph.HEhep-ph

An overview of quasinormal modes in modified and extended gravity

classification gr-qc astro-ph.HEhep-ph
keywords modesquasinormalaffectedarticlebecomescomplexdampingderive
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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.

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