BEGIN:VCALENDAR
VERSION:2.0
PRODID:researchseminars.org
CALSCALE:GREGORIAN
X-WR-CALNAME:researchseminars.org
BEGIN:VEVENT
SUMMARY:Xiangyu Cao (UC Berkeley)
DTSTART:20200527T153000Z
DTEND:20200527T163000Z
DTSTAMP:20260404T100033Z
UID:StatPhysForum/1
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/StatP
 hysForum/1/">Statistical physics of operator growth</a>\nby Xiangyu Cao (U
 C Berkeley) as part of ENS Statistical Physics Forum\n\n\nAbstract\n"What 
 is quantum chaos?" is a recurrent question\, which never fails to bear new
  ideas: random matrices\, eigenstate thermalization hypothesis (ETH)\, scr
 ambling\, operator growth\, etc. I will present a layman’s overview of t
 hese concepts\, in particular their merit as attempted definition of “qu
 antum chaos”. If time permits\, I will discuss an approach much inspired
  by statistical physics (based on Phys. Rev. X 9\, 041017 and recent unpos
 ted work).\n
LOCATION:https://stable.researchseminars.org/talk/StatPhysForum/1/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Vincent Vargas (Université Paris 13)
DTSTART:20200610T123000Z
DTEND:20200610T133000Z
DTSTAMP:20260404T100033Z
UID:StatPhysForum/2
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/StatP
 hysForum/2/">A probabilistic approach of ultraviolet renormalisation in th
 e boundary Sine-Gordon model</a>\nby Vincent Vargas (Université Paris 13)
  as part of ENS Statistical Physics Forum\n\n\nAbstract\nThe Sine-Gordon m
 odel is a celebrated model of 2d quantum field theory based on the quantiz
 ation of a cosine interaction term. Though the model has been studied by n
 umerous authors\, it is fair to say that a complete mathematical picture i
 s still lacking. In this talk\, I will present a novel probabilistic appro
 ach to renormalization of the boundary Sine-Gordon model in a finite volum
 e. This new approach\, which is based on modern stochastic calculus and a 
 new general formula for the cumulants of a random variable (which is of in
 dependent interest)\, enables to define the correlations of the model in a
  robust way. Based on a work with H. Lacoin\, R. Rhodes.\n
LOCATION:https://stable.researchseminars.org/talk/StatPhysForum/2/
END:VEVENT
END:VCALENDAR