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Center-of-Mass Equations of Motion and Conserved Integrals of Compact Binary Systems at the Fourth Post-Newtonian Order
Laura Bernard, Luc Blanchet, Guillaume Faye +1
The dynamics of compact binary systems at the fourth post-Newtonian (4PN) approximation of general relativity has been recently completed in a self-consistent way. In this paper, w…
Conservative Dynamics of Binary Systems of Compact Objects at the Fourth Post-Newtonian Order
Laura Bernard, Luc Blanchet, Alejandro Bohé +2
We review our recent derivation of a Fokker action describing the conservative dynamics of a compact binary system at the fourth post-Newtonian (4PN) approximation of general relat…
Ambiguity-Free Completion of the Equations of Motion of Compact Binary Systems at the Fourth Post-Newtonian Order
Tanguy Marchand, Laura Bernard, Luc Blanchet +1
We present the first complete (i.e., ambiguity-free) derivation of the equations of motion of two non-spinning compact objects up to the 4PN order, based on the Fokker action of po…
Dimensional regularization of the IR divergences in the Fokker action of point-particle binaries at the fourth post-Newtonian order
Laura Bernard, Luc Blanchet, Alejandro Bohé +2
The Fokker action of point-particle binaries at the fourth post-Newtonian (4PN) approximation of general relativity has been determined previously. However two ambiguity parameters…
Partially Massless Graviton on Beyond Einstein Spacetimes
Laura Bernard, Cedric Deffayet, Kurt Hinterbichler +1
We show that a partially massless graviton can propagate on a large set of spacetimes which are not Einstein spacetimes. Starting from a recently constructed theory for a massive g…