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- W2023182326 abstract "We compare recent numerical results, obtained within a ``helical Killing vector'' (HKV) approach, on circular orbits of corotating binary black holes to the analytical predictions made by the effective one body (EOB) method (which has been recently extended to the case of spinning bodies). On the scale of the differences between the results obtained by different numerical methods, we find good agreement between numerical data and analytical predictions for several invariant functions describing the dynamical properties of circular orbits. This agreement is robust against the post-Newtonian accuracy used for the analytical estimates, as well as under choices of resummation method for the EOB ``effective potential'', and gets better as one uses a higher post-Newtonian accuracy. These findings open the way to a significant ``merging'' of analytical and numerical methods, i.e. to matching an EOB-based analytical description of the (early and late) inspiral, up to the beginning of the plunge, to a numerical description of the plunge and merger. We illustrate also the ``flexibility'' of the EOB approach, i.e. the possibility of determining some ``best fit'' values for the analytical parameters by comparison with numerical data." @default.
- W2023182326 created "2016-06-24" @default.
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- W2023182326 date "2002-06-28" @default.
- W2023182326 modified "2023-09-25" @default.
- W2023182326 title "Circular orbits of corotating binary black holes: Comparison between analytical and numerical results" @default.
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- W2023182326 doi "https://doi.org/10.1103/physrevd.66.024007" @default.
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