A Calogero formulation for four-dimensional black-hole micro states
classification
✦ hep-th
keywords
calogerofour-dimensionalstatesblackblack-holecountingdegeneracydual
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We extract the leading-order entropy of a four-dimensional extremal black hole in ${\cal N}{=}2$ ungauged supergravity by formulating the CFT$_1$ that is holographically dual to its near-horizon AdS$_2$ geometry, in terms of a rational Calogero model with a known counting formula for the degeneracy of states in its Hilbert space.
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