Numerical simulation of orbiting black holes

Details Numerical simulation of orbiting black holes Numerical simulation of orbiting black holes

2003-12-26

arxiv.org/abs/gr-qc/0312112v2

Phys.Rev.Lett.92:211101,2004

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 4 figures; several significant changes to presentation for published version

Scientific paper

10.1103/PhysRevLett.92.211101

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 radial motion is minimized through a dynamically adjusted shift condition. We use fixed mesh refinement for computational efficiency.

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