Hawking radiation for twisted complex scalar fields on the Reissner-Nordström black holes and Dirac monopoles

We study, both analytically and numerically, the contribution of the twisted topologically inequivalent configurations (TICS) of complex scalar fields on the Reissner-Nordström black holes to the Hawking radiation. Physically this contribution is conditioned by the natural presence of the Dirac mono...

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Bibliographic Details
Published in:Nuclear physics. B 1997-02, Vol.486 (1), p.371-389
Main Authors: Goncharov, Yu.P, Firsova, N.E.
Format: Article
Language:English
Subjects:
Black holes
Dirac monopoles
Hawking radiation
Topological properties
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Summary:We study, both analytically and numerically, the contribution of the twisted topologically inequivalent configurations (TICS) of complex scalar fields on the Reissner-Nordström black holes to the Hawking radiation. Physically this contribution is conditioned by the natural presence of the Dirac monopoles on the black holes. When neglecting the own (external) electric field of black hole it is established that while increasing the black hole electric charge Q to the extremal value Q = M ( M is the black hole mass), the given contribution to the total luminosity (summed up over all the TICs) of the black hole decreases (from the one of order 17% at Q = 0) up 0. At this value the total luminosity itself tends to 0.
ISSN:0550-3213
1873-1562
DOI:10.1016/S0550-3213(96)00665-7