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Astronomy Reports

, Volume 62, Issue 12, pp 953–958 | Cite as

A Simple Method of Constructing Binary Black Hole Initial Data

  • I. RáczEmail author
Article

Abstract

By applying a parabolic–hyperbolic formulation of the constraints and superposing Kerr–Schild black holes, a simple method is introduced to initialize time evolution of binary systems. As the input parameters are essentially the same as those used in the post-Newtonian (PN) setup the proposed method interrelates various physical expressions applied in PN and in fully relativistic formulations. The global ADMcharges are also determined by the input parameters, and no use of boundary conditions in the strong field regime is made.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Faculty of PhysicsUniversity of WarsawWarsawPoland
  2. 2.Wigner Research Centre for PhysicsBudapestHungary

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