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SUMMARY:Ratindranath Akhoury (University of Michigan)
DTSTART:20210210T170000Z
DTEND:20210210T180000Z
DTSTAMP:20260423T022809Z
UID:CMU-TP/23
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMU-TP/23/">
 Entanglement\, renormalization and effective field theories</a>\nby Ratind
 ranath Akhoury (University of Michigan) as part of Carnegie Mellon theoret
 ical physics\n\n\nAbstract\nWe develop the idea that renormalization\, dec
 oupling of heavy particle effects from low energy physics and the construc
 tion of effective field theories are intimately linked to the momentum spa
 ce entanglement of disparate modes of an interacting quantum field theory.
  Using unitary transformations to decouple these modes at the perturbative
  level\, we show in a scalar field theoretical model with light and heavy 
 fields\, how renormalization may be consistently implemented and how the l
 ow energy effective field theory can be constructed. We also obtain a reno
 rmalization group equation in this framework and apply it to the scalar fi
 eld theoretical model.\n
LOCATION:https://researchseminars.org/talk/CMU-TP/23/
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