Formation of a galaxy with a central black hole in the Lemaitre-Tolman model

Details Formation of a galaxy with a central black hole in the Lemaitre-Tolman model Formation of a galaxy with a central black hole in the Lemaitre-Tolman model

2003-09-25

arxiv.org/abs/gr-qc/0309119v2

Phys.Rev.D69:043502,2004

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

REVTeX, 22 pages including 11 figures (25 figure files). Replacement has minor changes in response to the referee, and editori

Scientific paper

10.1103/PhysRevD.69.043502

We construct two models of the formation a galaxy with a central black hole, starting from a small initial fluctuation at recombination. This is an application of previously developed methods to find a Lemaitre-Tolman model that evolves from a given initial density or velocity profile to a given final density profile. We show that the black hole itself could be either a collapsed object, or a non-vacuum generalisation of a full Schwarzschild-Kruskal-Szekeres wormhole. Particular attention is paid to the black hole's apparent and event horizons.

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