paper

Black Holes of Negative Mass

arXiv:gr-qc/9705007 · doi:10.1088/0264-9381/14/10/018

Abstract

I demonstrate that, under certain circumstances, regions of negative energy density can undergo gravitational collapse into a black hole. The resultant exterior black hole spacetimes necessarily have negative mass and non-trivial topology. A full theory of quantum gravity, in which topology-changing processes take place, could give rise to such spacetimes.

5 pages, harvmac

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