Gauge conditions for binary black hole puncture data based on an approximate helical Killing vector

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dc.creatorTichy, Wolfgang
dc.creatorBruegmann, Bernd
dc.creatorLaguna, Pablo
dc.date2003-06-04
dc.date.accessioned2026-07-07T12:01:19Z
dc.date.available2026-07-07T12:01:19Z
dc.descriptionWe show that puncture data for quasicircular binary black hole orbits allow a special gauge choice that realizes some of the necessary conditions for the existence of an approximate helical Killing vector field. Introducing free parameters for the lapse at the punctures we can satisfy the condition that the Komar and ADM mass agree at spatial infinity. Several other conditions for an approximate Killing vector are then automatically satisfied, and the 3-metric evolves on a timescale smaller than the orbital timescale. The time derivative of the extrinsic curvature however remains significant. Nevertheless, quasicircular puncture data are not as far from possessing a helical Killing vector as one might have expected.
dc.description11 pages, 6 figures, 2 tables
dc.identifierhttps://arxiv.org/abs/gr-qc/0306020
dc.identifierhttp://arxiv.org/abs/gr-qc/0306020
dc.identifierPhys.Rev.D68:064008,2003
dc.identifierdoi:10.1103/PhysRevD.68.064008
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207058
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleGauge conditions for binary black hole puncture data based on an approximate helical Killing vector
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