Binary black hole circular orbits computed with COCAL
arXiv:1207.5833 · doi:10.1007/s10665-012-9585-6
Abstract
In this work we present our first results of binary black hole circular orbits using {\sc cocal}, the Compact Object CALculator. Using the 3+1 decomposition five equations are being solved under the assumptions of conformal flatness and maximal slicing. Excision is used and the appropriate apparent horizon boundary conditions are applied. The orbital velocity is determined by imposing a Schwarzschild behaviour at infinity. A sequence of equal mass black holes is obtained and its main physical characteristics are calculated.
12 pages, 3 figures. Presented at the Tercentenary of the Laplace-Runge-Lenz vector conference. This paper is dedicated to Peter Leach on the occasion of his seventieth birthday
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