Evolving the Bowen-York initial data for spinning black holes
- 15 March 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 57 (6) , 3401-3407
- https://doi.org/10.1103/physrevd.57.3401
Abstract
The Bowen-York initial value data typically used in numerical relativity to represent a spinning black hole are not those of a constant-time slice of the Kerr spacetime. If Bowen-York initial data are used for each black hole in a collision, the emitted radiation will be partially due to the “relaxation” of the individual holes to Kerr form. We compute this radiation by treating the geometry for a single hole as a perturbation of a Schwarzschild black hole, and by using second order perturbation theory. We discuss the extent to which Bowen-York data can be expected accurately to represent Kerr holes.Keywords
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