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Galaxies 2013, 1(3), 114-179; doi:10.3390/galaxies1030114

Evolving Black Hole Horizons in General Relativity and Alternative Gravity

Physics Department and STAR Research Cluster, Bishop's University, 2600 College St., Sherbrooke, QC J1M 1Z7, Canada
Received: 9 August 2013 / Revised: 17 September 2013 / Accepted: 17 September 2013 / Published: 25 September 2013
(This article belongs to the Special Issue Aspects of Black Hole Physics)
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From the microscopic point of view, realistic black holes are time-dependent and the teleological concept of the event horizon fails. At present, the apparent or trapping horizon seem to be its best replacements in various areas of black hole physics. We discuss the known phenomenology of apparent and trapping horizons for analytical solutions of General Relativity and alternative theories of gravity. These specific examples (we focus on spherically symmetric inhomogeneities in a background cosmological spacetime) are useful as toy models for research on various aspects of black hole physics.
Keywords: black holes; evolving horizons; apparent horizons black holes; evolving horizons; apparent horizons
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Faraoni, V. Evolving Black Hole Horizons in General Relativity and Alternative Gravity. Galaxies 2013, 1, 114-179.

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