Effective field theory calculation of second post-Newtonian binary dynamics

Details Effective field theory calculation of second post-Newtonian binary dynamics Effective field theory calculation of second post-Newtonian binary dynamics

2008-10-08

arxiv.org/abs/0810.1328v2

Phys.Rev.D78:124021,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Replaced with published version

Scientific paper

10.1103/PhysRevD.78.124021

We use the effective field theory for gravitational bound states, proposed by Goldberger and Rothstein, to compute the interaction Lagrangian of a binary system at the second Post-Newtonian order. Throughout the calculation, we use a metric parametrization based on a temporal Kaluza-Klein decomposition and test the claim by Kol and Smolkin that this parametrization provides important calculational advantages. We demonstrate how to use the effective field theory method efficiently in precision calculations, and we reproduce known results for the second Post-Newtonian order equations of motion in harmonic gauge in a straightforward manner.

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