Hawking radiation via tunnelling from black holes with topological defects

Details Hawking radiation via tunnelling from black holes with topological defects Hawking radiation via tunnelling from black holes with topological defects

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006gregr..38..387r&link_type=abstract

General Relativity and Gravitation, Volume 38, Issue 2, pp.387-392

Mathematics

Logic

6

Black Holes With Topological Defects, Tunnelling Effect, Adm Mass

Scientific paper

In this paper, we extend Parikh's recent work to two kinds of the black holes whose ADM mass is no longer identical to its mass parameter, each with a topological defect, one being a global monopole black hole and another a cosmic string black hole. We view Hawking radiation as a tunnelling process across the event horizon and calculate the tunnelling probability. From the tunnelling probability we also find a leading correction to the semiclassical emission rate. The results are consistent with an underlying unitary theory.

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