Comparison between numerical relativity and a new class of post-Newtonian gravitational-wave phase evolutions: The nonspinning equal-mass case

@inproceedings{Gopakumar2008ComparisonBN,
  title={Comparison between numerical relativity and a new class of post-Newtonian gravitational-wave phase evolutions: The nonspinning equal-mass case},
  author={Achamveedu Gopakumar and Mark Hannam and Sascha Husa and Bernd Brugmann},
  year={2008}
}
We compare the phase evolution of equal-mass nonspinning black-hole binaries from numerical relativity (NR) simulations with post-Newtonian (PN) results obtained from three PN approximants: the TaylorT1 and T4 approximants, for which NR-PN comparisons have already been performed in the literature, and the recently proposed approximant TaylorEt. The accumulated phase disagreement between NR and PN results over the frequency range Mω=0.0455 to Mω=0.1 is greater for TaylorEt than either T1 or T4… CONTINUE READING

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