Accurate Evolutions of Orbiting Black-Hole Binaries without Excision

M. Campanelli, C. O. Lousto, P. Marronetti, and Y. Zlochower
Phys. Rev. Lett. 96, 111101 – Published 22 March 2006
An article within the collection: 2015 - General Relativity’s Centennial

Abstract

We present a new algorithm for evolving orbiting black-hole binaries that does not require excision or a corotating shift. Our algorithm is based on a novel technique to handle the singular puncture conformal factor. This system, based on the Baumgarte-Shapiro-Shibata-Nakamura formulation of Einstein’s equations, when used with a “precollapsed” initial lapse, is nonsingular at the start of the evolution and remains nonsingular and stable provided that a good choice is made for the gauge. As a test case, we use this technique to fully evolve orbiting black-hole binaries from near the innermost stable circular orbit regime. We show fourth-order convergence of waveforms and compute the radiated gravitational energy and angular momentum from the plunge. These results are in good agreement with those predicted by the Lazarus approach.

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  • Received 9 November 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.111101

©2006 American Physical Society

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2015 - General Relativity’s Centennial

The editors of the Physical Review journals have curated a collection of landmark papers on General Relativity to celebrate its centennial.

Authors & Affiliations

M. Campanelli1, C. O. Lousto1, P. Marronetti2, and Y. Zlochower1

  • 1Department of Physics and Astronomy, and Center for Gravitational Wave Astronomy, The University of Texas at Brownsville, Brownsville, Texas 78520, USA
  • 2Department of Physics, Florida Atlantic University, Boca Raton, Florida 33431, USA

See Also

Gravitational-Wave Extraction from an Inspiraling Configuration of Merging Black Holes

John G. Baker, Joan Centrella, Dae-Il Choi, Michael Koppitz, and James van Meter
Phys. Rev. Lett. 96, 111102 (2006)

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Vol. 96, Iss. 11 — 24 March 2006

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