The Matter Plus Black Hole Problem in Axisymmetry

Brandt, Steven R.; Font, Jose A.

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Conference Paper

The Matter Plus Black Hole Problem in Axisymmetry

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Brandt, Steven R.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

Font, Jose A.
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Citation

Brandt, S. R., & Font, J. A. (1999). The Matter Plus Black Hole Problem in Axisymmetry. In Proceedings of the 8th Marcel Grossmann Meeting on General Relativity (pp. 744-746). Singapore u.a.: World Scientific.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-58F6-2

Abstract

We present preliminary results in our long-term project of studying the evolution of matter in a dynamical spacetime. To achieve this, we have developed a new code to evolve axisymmetric initial data sets corresponding to a black hole surrounded by matter fields. The code is based on the coupling of two previously existing codes. The matter fields are evolved with a 2D shock-capturing method which uses the characteristic information of the GR hydro equations to build up a linearized Riemann solver. The spacetime is evolved with a 2D ADM code designed to evolve a wormhole in full general relativity. An example of the kind of problems we are currently investigating is the on axis collision of a star with a black hole.