Black holes and black strings of N=2, d=5 supergravity in the H-FGK formalism

Details Black holes and black strings of N=2, d=5 supergravity in the H-FGK formalism Black holes and black strings of N=2, d=5 supergravity in the H-FGK formalism

2012-04-02

arxiv.org/abs/1204.0507v2

Physics

High Energy Physics

High Energy Physics - Theory

33 pages. Revised version: references added. No other changes

Scientific paper

We study general classes and properties of extremal and non-extremal static black-hole solutions of N=2, d=5 supergravity coupled to vector multiplets using the recently proposed H-FGK formalism, which we also extend to static black strings. We explain how to determine the integration constants and physical parameters of the black-hole and black-string solutions. We derive some model-independent statements, including the transformation of non-extremal flow equations to the form of those for the extremal flow. We apply our methods to the construction of example solutions (among others a new extremal string solution of heterotic string theory on K_3 \times S^1). In the cases where we have calculated it explicitly, the product of areas of the inner and outer horizon of a non-extremal solution coincides with the square of the moduli-independent area of the horizon of the extremal solution with the same charges.

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