Supersymmetric Grey Galaxies, Dual Dressed Black Holes and the Superconformal Index (Diksha Jain, University of Cambridge)

08.05.2025 13:00

Abstract:
Motivated by the recent construction of grey galaxy and Dual Dressed Black Hole solutions in AdS5 × S5, in this talk, I will present a conjecture relating to the large N entropy of supersymmetric states in N=4 Yang-Mills theory. We conjecture the existence of a large number of supersymmetric states which can be thought of as a non-interacting mix of supersymmetric black holes and supersymmetric `gravitons'. It predicts a microcanonical phase diagram of supersymmetric states and makes a sharp prediction for the supersymmetric entropy (as a function of 5 charges) in each phase. We also predict a large N formula for the superconformal index as a function of indicial charges and predict a microcanonical indicial phase diagram with nine distinct phases. It predicts agreement between the superconformal index and black hole entropy in one phase (so over one range of charges), but disagreement in other phases (and so at other values of charges).

The seminar will take place online via Zoom
: https://cern.zoom.us/j/65703510284?pwd=nrC7OwTZanEUQGzxEpQunNPbPMiP6A.1
Meeting ID: 657 0351 0284
Passcode: 899259

Lieu

Conseil Général 7-9, Salle 8e, Séminaire Physique Mathématique

entrée libre