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SUMMARY:Mukund Rangamani (University of California\, Davis)
DTSTART:20220215T203000Z
DTEND:20220215T213000Z
DTSTAMP:20260423T005652Z
UID:HET/28
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HET/28/">A p
 aradigm for open quantum systems with memory from holography</a>\nby Mukun
 d Rangamani (University of California\, Davis) as part of Purdue HET\n\n\n
 Abstract\nThe late-time\, long-distance behaviour of gravitational perturb
 ations of planar AdS black holes is controlled by hydrodynamic quasinormal
  modes. In the dual CFT these are modes of the conserved currents which co
 ntrol the infra-red dynamics. While the on-shell structure of these modes 
 has been understood for a long-time\, we have recently begun to understand
  how to construct an   off-shell low energy effective action\, an effectiv
 e hydrodynamic field theory\, from holography. I will describe the general
  lessons learnt from the gravitational analysis\, sketching out a paradigm
  that provides a template for the analysis of general quantum systems with
  dissipation and long-time memory.\n
LOCATION:https://researchseminars.org/talk/HET/28/
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