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UID:20250712T090223EDT-6850uUpH2r@132.216.98.100
DTSTAMP:20250712T130223Z
DESCRIPTION:Title: Nonlinear bosonization of Fermi liquids.\n\nAbstract: La
 ndau's theory of Fermi liquids is a cornerstone of condensed matter physic
 s. I will show how to formulate Fermi liquid theory as an effective field 
 theory of bosonic degrees of freedom\, using the mathematical formalism of
  coadjoint orbits. While at the linear level\, this theory reduces to mult
 idimensional bosonization\, it necessarily features nonlinear corrections 
 that are fixed by the geometry of the Fermi surface. These are crucial to 
 reproduce nonlinear response and certain other aspects of Fermi liquid the
 ory phenomenology that are not captured by current bosonization approaches
 . The effective field theory framework furthermore systematically parametr
 izes corrections to Fermi liquid behavior\, and provides a new angle to ap
 proach non-Fermi liquids. (Based on upcoming work with: Yi-Hsien Du\, Uman
 g Mehta\, and Dam Thanh Son).\n\n \n\n \n\nTo get your Zoom access\, pleas
 e subscribe to the lists of your choice: https://forms.gle/axqFGSkRkbkdFtE
 68\n
DTSTART:20220215T203000Z
DTEND:20220215T213000Z
SUMMARY:Luca Delacretaz (University of Chicago)
URL:/mathstat/channels/event/luca-delacretaz-universit
 y-chicago-337581
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