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Phys. Rev. Lett. 92, 211101 (2004) [4 pages]

Numerical Simulation of Orbiting Black Holes

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Bernd Brügmann, Wolfgang Tichy, and Nina Jansen
Center for Gravitational Physics and Geometry and Center for Gravitational Wave Physics, Penn State University, University Park, Pennsylvania 16802, USA

Received 26 December 2003; published 24 May 2004

We present numerical simulations of binary black hole systems which for the first time last for about one orbital period for close but still separate black holes as indicated by the absence of a common apparent horizon. An important part of the method is the construction of comoving coordinates, in which both the angular and the radial motion are minimized through a dynamically adjusted shift condition. We use fixed mesh refinement for computational efficiency.


©2004 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.92.211101
DOI: 10.1103/PhysRevLett.92.211101
PACS: 04.25.Dm, 04.30.Db, 95.30.Sf

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