Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2011-04-06
Phys.Rev.D84:044031,2011
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
24 pages, 6 figures. Typos corrected and references added in v2. Typos corrected in v3
Scientific paper
10.1103/PhysRevD.84.044031
We reproduce the two-body gravitational conservative dynamics at third post-Newtonian order for spin-less sources by using the effective field theory methods for the gravitationally bound two-body system, proposed by Goldberger and Rothstein. This result has been obtained by automatizing the computation of Feynman amplitudes within a Mathematica algorithm, paving the way for higher-order computations not yet performed by traditional methods.
Foffa Stefano
Sturani Riccardo
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