Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2005-02-28
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
4 pages, 5 figures
Scientific paper
In calculations of the inspiral of binary black holes an intermediate approximation is needed that can bridge the post-Newtonian methods of the early inspiral and the numerical relativity computations of the final plunge. We describe here the periodic standing wave approximation: A numerical solution is found to the problem of a periodic rotating binary with helically symmetric standing wave fields, and from this solution an approximation is extracted for the physically relevant problem of inspiral with outgoing waves. The approximation underlying this approach has been recently confirmed with innovative numerical methods applied to nonlinear model problems.
Bromley Benjamin
Owen Robert
Price Richard H.
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