Gravity in binary systems at the fifth and sixth post-Newtonian order

  title={Gravity in binary systems at the fifth and sixth post-Newtonian order},
  author={Johannes Blumlein and Andreas Maier and Peter Marquard and Gerhard Schāfer},
  journal={Proceedings of Loops and Legs in Quantum Field Theory — PoS(LL2022)},
Binary sources of gravitational waves in the early inspiral phase are accurately described by a post-Newtonian expansion in small velocity and weak interaction. We compute the conservative dynamics to fifth and partial sixth order using a non-relativistic effective field theory. We give predictions for central observables and determine the required coefficients for the construction of an Effective One-Body Hamiltonian, extending the applicability of our results to the late inspiral and merger phases. 

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