Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series SEM-EXCEP , SEM-LPTENS
Subjects hep-th
Date Friday 18 May 2018
Time 11:30
Institute LPTENS
Seminar Room ENS Physics Department third floor room L357
Speaker's Last Name Bernard
Speaker's First Name Laura
Speaker's Email Address
Speaker's Institution Lisbon
Title Compact binary systems in scalar-tensor theories
Abstract The observations of gravitational waves from coalescing compact binary systems allow us to test gravity in its strong field regime. In order to constrain deviations from general relativity, one also has to build template waveforms for specific alternative theories of gravity. In this talk, I will present the extension of a post-Newtonian Lagrangian approach to massless scalar-tensor theories. I will derive the equations of motion of a compact binary system at 3PN order in harmonic coordinates. I will conclude by a short discussion on tidal effects.
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