Locating Boosted Kerr and Schwarzschild Apparent Horizons

Details Locating Boosted Kerr and Schwarzschild Apparent Horizons Locating Boosted Kerr and Schwarzschild Apparent Horizons

2000-02-22

arxiv.org/abs/gr-qc/0002076v1

Phys.Rev. D66 (2002) 084024

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Submitted to Physical Review D. 12 pages and 22 figures

Scientific paper

10.1103/PhysRevD.66.084024

We describe a finite-difference method for locating apparent horizons 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 in which the black hole is propagated and Lorentz contracted. We show that our method can locate distorted apparent horizons efficiently and accurately.

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