Inspiral, merger and ring-down of equal-mass black-hole binaries

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dc.creatorBuonanno, Alessandra
dc.creatorCook, Gregory B.
dc.creatorPretorius, Frans
dc.date2006-10-25
dc.date2007-06-22
dc.date.accessioned2026-07-07T11:04:32Z
dc.date.available2026-07-07T11:04:32Z
dc.descriptionWe investigate the dynamics and gravitational-wave (GW) emission in the binary merger of equal-mass black holes as obtained from numerical relativity simulations. Results from the evolution of three sets of initial data are explored in detail, corresponding to different initial separations of the black holes. We find that to a good approximation the inspiral phase of the evolution is quasi-circular, followed by a "blurred, quasi-circular plunge", then merger and ring down. We present first-order comparisons between analytical models of the various stages of the merger and the numerical results. We provide comparisons between the numerical results and analytical predictions based on the adiabatic Newtonain, post-Newtonian (PN), and non-adiabatic resummed-PN models. From the ring-down portion of the GW we extract the fundamental quasi-normal mode and several of the overtones. Finally, we estimate the optimal signal-to-noise ratio for typical binaries detectable by GW experiments.
dc.description47 pages, 34 figures, full abstract in paper, revtex4, accepted by PRD, miscellaneous revisions throughout paper
dc.identifierhttps://arxiv.org/abs/gr-qc/0610122
dc.identifierhttp://arxiv.org/abs/gr-qc/0610122
dc.identifierPhys.Rev.D75:124018,2007
dc.identifierdoi:10.1103/PhysRevD.75.124018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188926
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectAstrophysics
dc.titleInspiral, merger and ring-down of equal-mass black-hole binaries
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