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Duality, entropy, and ADM mass in supergravity
2009
Physical Review D
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We consider the Bekenstein-Hawking entropy-area formula in four dimensional extended ungauged supergravity and its electric-magnetic duality property. Symmetries of both "large" and "small" extremal black holes are considered, as well as the ADM mass formula for N=4 and N=8 supergravity, preserving different fraction of supersymmetry. The interplay between BPS conditions and duality properties is an important aspect of this investigation.
doi:10.1103/physrevd.79.125010
fatcat:szniuxsx4bdb7mrvm6qgvjt4ay