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Monday 6 December 2021   Today  
Events for day: Tuesday 19 October 2021    
           17:00 - 18:00     IPM Holography virtual seminar
Wormholes in Quantum Ergodicity

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Abstract: For a generic quantum many-body system, the quantum ergodic regime is defined as the limit in which the spectrum of the system resembles that of a random matrix theory (RMT) in the corresponding symmetry class. In this talk I will discuss the time dependence of correlation functions of operators in the SYK model, in the ergodic limit as well as their approach to the ergodic limit which is controlled by non-universal massive modes. An effective field theory (EFT) corresponding to the causal symmetry and its breaking describes the ergodic phase. I will discuss the topological expansion of the resulting Goldstone-mode theory where the ...