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Can We Detect Deviations from Einstein's Gravity in Black Hole Ringdowns?

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arxiv 2411.12428 v1 pith:I7EDEWLK submitted 2024-11-19 gr-qc hep-phhep-th

Can We Detect Deviations from Einstein's Gravity in Black Hole Ringdowns?

A. Kehagias (NTUA) , A. Riotto (University of Geneva) This is my paper
classification gr-qc hep-phhep-th
keywords blackgravityholeeinsteingravitationalquasinormalspectrumarguments
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The quasinormal mode spectrum of gravitational waves emitted during the black hole ringdown relaxation phase, following the merger of a black hole binary, is a crucial target of gravitational wave astronomy. By considering causality constraints on the on-shell graviton three-point couplings within a weakly coupled gravity theory, we present arguments indicating that the contributions to the physics of linear and quadratic quasinormal modes from higher derivative gravity theories are either negligible or vastly suppressed for Schwarzschild and Kerr black holes. Their spectrum and interactions are dictated solely by Einstein's gravity.

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Cited by 3 Pith papers

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