Binary black-hole evolutions of excision and puncture data

Details Binary black-hole evolutions of excision and puncture data Binary black-hole evolutions of excision and puncture data

2006-06-19

arxiv.org/abs/gr-qc/0606079v2

Phys.Rev.D76:104015,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

21 pages, 13 figures, final version accepted for publication in PRD

Scientific paper

10.1103/PhysRevD.76.104015

We present a new numerical code developed for the evolution of binary black-hole spacetimes using different initial data and evolution techniques. The code is demonstrated to produce state-of-the-art simulations of orbiting and inspiralling black-hole binaries with convergent waveforms. We also present the first detailed study of the dependence of gravitational waveforms resulting from three-dimensional evolutions of different types of initial data. For this purpose we compare the waveforms generated by head-on collisions of superposed Kerr-Schild, Misner and Brill-Lindquist data over a wide range of initial separations.

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