Black hole puncture initial data with realistic gravitational wave content

Details Black hole puncture initial data with realistic gravitational wave content Black hole puncture initial data with realistic gravitational wave content

2007-04-04

arxiv.org/abs/0704.0628v2

Phys.Rev.D76:024008,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, 7 figures; replaced with published version

Scientific paper

10.1103/PhysRevD.76.024008

We present improved post-Newtonian-inspired initial data for non-spinning black-hole binaries, suitable for numerical evolution with punctures. We revisit the work of Tichy et al. [W. Tichy, B. Bruegmann, M. Campanelli, and P. Diener, Phys. Rev. D 67, 064008 (2003)], explicitly calculating the remaining integral terms. These terms improve accuracy in the far zone and, for the first time, include realistic gravitational waves in the initial data. We investigate the behavior of these data both at the center of mass and in the far zone, demonstrating agreement of the transverse-traceless parts of the new metric with quadrupole-approximation waveforms. These data can be used for numerical evolutions, enabling a direct connection between the merger waveforms and the post-Newtonian inspiral waveforms.

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