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SUMMARY:Nonlinear curvature effects in gravitational waves of inspiralling
  black hole binaries - Banafsheh Shiralilou (University of Amsterdam)
DTSTART:20220211T130000Z
DTEND:20220211T140000Z
UID:TALK167183@talks.cam.ac.uk
CONTACT:Justin Ripley
DESCRIPTION:Gravitational waves emitted by black hole binaries enable unpr
 ecedented tests of the theory of gravity at highly non-linear regimes. The
  current gravitational wave-based tests of gravity are parametrized or nul
 l tests against General Relativity which remain limited when interpreting 
 theoretical constraints. Going beyond the current tests requires accurate 
 theoretical modelling of the waveforms in viable extensions of General Rel
 ativity. In this talk I will present the recent results and physical insig
 hts from analytical modelling of the gravitational waves in the so-called 
 Einstein scalar Gauss Bonnet gravity. Being a sub-class of both Horndeski 
 and quadratic gravities\, this theory introduces non-linear curvature corr
 ections to strong-field regime of gravity\, allows for hairy-black hole so
 lutions\, and scalar-induced tidal deformations. I will explain the modell
 ing and gravitational-wave signatures of theory's curvature corrections\, 
 as well as scalar tidal deformations\, to first post-Newtonian order and w
 ill further discuss the prospects of testing the features of this theory t
 hrough gravitational wave observations.
LOCATION:Zoom
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