Spherical black holes with regular center: a review of existing models including a recent realization with Gaussian sources

Abstract

We review, in a historical perspective, some results about black hole spacetimes with a regular center. We then see how their properties are realized in a specific solution that recently appeared; in particular we analyze in detail the (necessary) violation of the strong energy condition.

arXiv commentLaTeX, 36 pages, 10 figures. To appear in the proceedings of "BH2, Dynamics and Thermodynamics of Blackholes and Naked Singularities", May 10-12 2007, Milano, Italy (conference website: http://www.mate.polimi.it/bh2)

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