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arxiv 1906.10148 v3 pith:FOU3EEJJ submitted 2019-06-24 hep-th

The BPS limit of rotating AdS black hole thermodynamics

classification hep-th
keywords limitblackchemicalcomplexifiedentropyextremizationfunctionpotentials
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We consider rotating, electrically charged, supersymmetric AdS black holes in four, five, six and seven dimensions, and provide a derivation of the respective extremization principles stating that the Bekenstein-Hawking entropy is the Legendre transform of a homogeneous function of chemical potentials, subject to a complex constraint. Extending a recently proposed BPS limit, we start from finite temperature and reach extremality following a supersymmetric trajectory in the space of complexified solutions. We show that the entropy function is the supergravity on-shell action in this limit. Chemical potentials satisfying the extremization equations also emerge from the complexified solution.

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Cited by 8 Pith papers

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