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      Microscopic Origin of the Bekenstein-Hawking Entropy

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          Abstract

          The Bekenstein-Hawking area-entropy relation \(S_{BH}=A/4\) is derived for a class of five-dimensional extremal black holes in string theory by counting the degeneracy of BPS soliton bound states.

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          Gravitational Radiation from Colliding Black Holes

          S. Hawking (1971)
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            Black holes and thermodynamics

            S. Hawking (1976)
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              N=2 Extremal Black Holes

              It is shown that extremal magnetic black hole solutions of N = 2 supergravity coupled to vector multiplets \(X^\Lambda\) with a generic holomorphic prepotential \(F(X^\Lambda)\) can be described as supersymmetric solitons which interpolate between maximally symmetric limiting solutions at spatial infinity and the horizon. A simple exact solution is found for the special case that the ratios of the \(X^\Lambda\) are real, and it is seen that the logarithm of the conformal factor of the spatial metric equals the Kahler potential on the vector multiplet moduli space. Several examples are discussed in detail.
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                Author and article information

                Journal
                09 January 1996
                1996-02-14
                Article
                10.1016/0370-2693(96)00345-0
                hep-th/9601029
                60e63a2d-80ee-4a62-b722-1af7afddab05
                History
                Custom metadata
                HUTP-96/A002, RU-96-01
                Phys.Lett.B379:99-104,1996
                12 pages. Relatively minor corrections and additions to discussion
                hep-th gr-qc

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