08.01.2015 (Thursday)

Functional determinants, index theorems and exact quantum black hole entropy.

Regular Seminar Sameer Murthy (King's)

14:00 QMW
room G.O. Jones 610

I will discuss the exact quantum entropy of supersymmetric black holes as a gravitational functional integral in AdS2. In theories with eight supercharges, a computation of the exact entropy is possible using supersymmetric localization. I will discuss this technique, and describe the computation of functional determinants that can be computed using index theorems. I will then compare the exact gravitational formula to microscopic formulas coming from string theory.