Scalar-Coupled Black Holes in Classical Kaluza-Klein Theory with the Lovelock Lagrangian

Details Scalar-Coupled Black Holes in Classical Kaluza-Klein Theory with the Lovelock Lagrangian Scalar-Coupled Black Holes in Classical Kaluza-Klein Theory with the Lovelock Lagrangian

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pthph..79...86t&link_type=abstract

Progress of Theoretical Physics, Vol. 79, No. 1, pp. 86-95

Physics

6

Scientific paper

Motivated by the fact that stationary and neutral black holes in the usual Kaluza-Klein theory cannot exhibit non-trivial scalar coupling to the compactified internal space, we consider an addition of higher-order curvature terms with the form of the Gauss-Bonnet combination to the Einstein equations. We obtain a spherically symmetric black hole solution perturbed by a massive scalar field which depends on the radial coordinate as r(-6) . The effect due to such a scalar coupling is investigated, and it is found that the Hawking temperature is increased and the area of the event horizon is decreased.

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