Locating boosted Kerr and Schwarzschild apparent horizons
- 30 October 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 66 (8)
- https://doi.org/10.1103/physrevd.66.084024
Abstract
We describe a finite-difference method for locating apparent horizons in generic spacetimes and illustrate its capabilities on boosted Kerr and Schwarzschild black holes. Our model spacetime is given by the Kerr-Schild metric. We apply a Lorentz boost to this spacetime metric and then carry out a 3+1 decomposition. The result is a slicing of Kerr-Schwarzschild spacetime in which the black hole is propagated and Lorentz contracted. We show that our method can locate distorted apparent horizons efficiently and accurately.Keywords
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