Null infinity waveforms from extreme-mass-ratio inspirals in Kerr spacetime

Details Null infinity waveforms from extreme-mass-ratio inspirals in Kerr spacetime Null infinity waveforms from extreme-mass-ratio inspirals in Kerr spacetime

2011-08-08

arxiv.org/abs/1108.1816v2

Phys. Rev. X 1, 021017 (2011)

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, 7 figures

Scientific paper

10.1103/PhysRevX.1.021017

We describe the hyperboloidal compactification for Teukolsky equations in Kerr spacetime. We include null infinity on the numerical grid by attaching a hyperboloidal layer to a compact domain surrounding the rotating black hole and the orbit of an inspiralling point particle. This technique allows us to study, for the first time, gravitational waveforms from large- and extreme-mass-ratio inspirals in Kerr spacetime extracted at null infinity. Tests and comparisons of our results with previous calculations establish the accuracy and efficiency of the hyperboloidal layer method.

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