Physics

States of quantum matter without quasiparticles can be more precisely characterized by their rapid approach to local thermal equilibrium: this is argued to happen in a shortest possible time of order (Planck’s constant)/((Boltmann’s constant)x...

I will discuss how to relate the entropy of BPSblack holes in AdS to counting of states in gaugetheory, presenting examples where this can besuccessfully done as well as examples where thisdoes not seem to work.

Motivated by black hole physics, we study the relationship between quantum chaos, holographic complexity, and fined grained notions of randomness. First, we develop a diagnostic of quantum chaos by directly considering the time evolution of a simple...

Conformal bootstrap equations have demonstrated a strong constraining power in various spacetime dimensions. However, the most exciting results concerning the low-lying spectrum of operators have only been derived using extensive numerics. It is...

When a M5 branes probes the singular locus of the D,E type ALE orbifold, the M5 brane exhibits fractionation, which corresponds to activating tensor branch moduli of the 6d N=(1,0) SCFT living on the M5. I explain how the fractionation patterns can...

The enhanced super-Virasoro symmetries in 2d have allowed us to extract many BPS quantities exactly from 2d superconformal field theories (SCFT). In this talk, we will take advantage of our past knowledge about 2d (2,2) SCFTs, combining with the...

I will describe a proposal for computing the Schur limit of the superconformal index of four-dimensional N = 2 field theories, which counts local operators in the UV, from the spectrum of BPS particles on the Coulomb branch. This proposal can be...