Recent developments on post-Newtonian computations of compact binary inspiral

05/14/2014 - 12:00pm to 1:00pm
Dr. Luc Blanchet
Speaker affiliation: 
Institut d'Astrophysique de Paris

The forthcoming detection and analysis of gravitational waves generated by
compact binary systems (neutron stars and black holes) relies on the
availability of gravitational wave templates --- i.e. the basic
predictions from general relativity (weighted by the power density of
noise in a given detector). In this talk we shall recall how a combination
of analytical post-Newtonian approximations and numerical methods permits
to build accurate and reliable templates for compact binary coalescence,
that are used in the data analysis of the current network of detectors. We
shall then discuss three more recent topics. First, the comparison of
post-Newtonian predictions with those based on black hole perturbation
theory and notably the self-force approach. Second, the recent use of the
so-called first law of point particle binary dynamics (including spins).
Third, the inclusion of high order spin-orbit effects both in the dynamics
(i.e. the equations of motion) and the gravitational wave flux, which
dictates the orbital phase evolution, of black hole binaries, including
the effects of spin and orbital precession.

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