Plunge waveforms from inspiralling binary black holes

Details Plunge waveforms from inspiralling binary black holes Plunge waveforms from inspiralling binary black holes

2001-02-09

arxiv.org/abs/gr-qc/0102037v3

Phys.Rev.Lett.87:121103,2001

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Corrected typos in the radiated ang momentum and frequency

Scientific paper

10.1103/PhysRevLett.87.121103

We study the coalescence of non-spinning binary black holes from near the innermost stable circular orbit down to the final single rotating black hole. We use a technique that combines the full numerical approach to solve Einstein equations, applied in the truly non-linear regime, and linearized perturbation theory around the final distorted single black hole at later times. We compute the plunge waveforms which present a non negligible signal lasting for $t\sim 100M$ showing early non-linear ringing, and we obtain estimates for the total gravitational energy and angular momentum radiated.

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