Black hole initial data in Gauss-Bonnet gravity: Momentarily static case

Details Black hole initial data in Gauss-Bonnet gravity: Momentarily static case Black hole initial data in Gauss-Bonnet gravity: Momentarily static case

2011-02-09

arxiv.org/abs/1102.1810v1

Phys.Rev.D83:104010,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

30 pages, 10 figures, submitted to PRD

Scientific paper

10.1103/PhysRevD.83.104010

We study the method for generating the initial data of black hole systems in Gauss-Bonnet (GB) gravity. The initial data are assumed to be momentarily static and conformally flat. Although the equation for the conformal factor is highly nonlinear, it is successfully solved by numerical relaxation for one-black-hole and two-black-hole systems. The common apparent horizon is studied in the two-black-hole initial data, and the result suggests that the Penrose inequalities are satisfied in this system. This is the first step for simulating black hole collisions in higher-curvature theories.

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