16–20 Jun 2025
Varna, Bulgaria
Europe/Sofia timezone

Signatures from metastable oppositely-charged black hole binaries in scalar Gauss-Bonnet gravity

19 Jun 2025, 15:00
30m
Varna, Bulgaria

Varna, Bulgaria

Hotel Cherno More, Greek NeighborhoodOdesos, bul. "Slivnitsa" 33, 9000 Varna
Oral presentation

Speaker

Maxence Corman (Max Planck Institute for Gravitational Physics)

Description

Gravitational wave observations of compact objects have provided new opportunities to test our understanding of gravity in the strong-field, highly dynamical regime. To perform model-dependent tests of General Relativity with these observations, as well as to guide theory-agnostic tests, it is crucial to develop inspiral-merger-ringdown waveforms in alternative theories of gravity. In this talk, we present an example of a type of binary system in an alternative theory of gravity that undergoes a sudden state transition during the inspiral. This gives rise to telltale signatures such as a change in the multipolar character of the scalar radiation and the introduction of eccentricity in the orbit.

Author

Maxence Corman (Max Planck Institute for Gravitational Physics)

Presentation materials

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