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SUMMARY:Quantum circuits models for free independence - Pieter Claeys\, MP
 IPKS Dresden
DTSTART:20250312T110000Z
DTEND:20250312T120000Z
UID:TALK229402@talks.cam.ac.uk
CONTACT:Gaurav
DESCRIPTION:In chaotic many-body dynamics the relaxation of local correlat
 ion functions to equilibrium is generally understood through the framework
  of the Eigenstate Thermalization Hypothesis (ETH). An extension of ETH to
  out-of-time-order correlation functions has been recently proposed\, base
 d on the language of free probability\, in which relaxation can be underst
 ood as operators becoming freely independent. In this talk I will discuss 
 a minimal model in which this approach to free independence can be underst
 ood as a Markovian process. These results shed light on the appearance of 
 two-step relaxation mechanisms and generalize the influence matrix approac
 h to out-of-time-order correlation functions\, and can be directly applied
  to more realistic models of many-body quantum dynamics.
LOCATION:TCM Seminar Room
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