Distorted Black Hole Initial Data Using the Puncture Method

Details Distorted Black Hole Initial Data Using the Puncture Method Distorted Black Hole Initial Data Using the Puncture Method

2004-08-27

arxiv.org/abs/gr-qc/0408089v2

Phys.Rev. D70 (2004) 124014

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

This is the final version to be published in Phys. Rev. D. It includes minor revisions and some additional tests

Scientific paper

10.1103/PhysRevD.70.124014

We solve for single distorted black hole initial data using the puncture method, where the Hamiltonian constraint is written as an elliptic equation in R^3 for the nonsingular part of the metric conformal factor. With this approach we can generate isometric and non--isometric black hole data. For the isometric case, our data are directly comparable to those obtained by Bernstein et al., who impose isometry boundary conditions at the black hole throat. Our numerical simulations are performed using a parallel multigrid elliptic equation solver with adaptive mesh refinement. Mesh refinement allows us to use high resolution around the black hole while keeping the grid boundaries far away in the asymptotic region.

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