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Berlin 2015 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 9: Invited Talks 4

GR 9.1: Hauptvortrag

Mittwoch, 18. März 2015, 09:30–10:10, H 2013

Gravitational radiation from compact binary systems — •Luc Blanchet — Institut d'Astrophysique de Paris, France

To be observed and analyzed by the gravitational wave detectors LIGO/VIRGO on ground and LISA in space, inspiralling compact binaries (binary star systems composed of neutron stars and/or black holes) require high-accuracy predictions from general relativity. These very relativistic systems are accurately described by the post-Newtonian approximation, which is the flagship of approximation methods in general relativity. In this talk, after relevant motivating introduction, we shall review the current state of the art on post-Newtonian methods as applied to the motion and gravitational radiation of compact binaries. Then we shall make a comparison between the post-Newtonian results and numerical calculations of the gravitational self-force based on black-hole perturbation theory. Finally we shall present some recent work on the so-called "first law of black hole binary dynamics"

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