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UID:DSC-9687
DTSTART;TZID=Europe/Berlin:20150709T150000
SEQUENCE:1436428225
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20150709T160000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/9687
LOCATION:MPI-PKS\, Nöthnitzer Straße 3801187 Dresden
SUMMARY:Chowdhury: Charge-order in the underdoped cuprates: a window into t
 he normal state
CLASS:PUBLIC
DESCRIPTION:Speaker: Debanjan Chowdhury\nInstitute of Speaker: Harvard\nTop
 ics:\nPhysik\n Location:\n  Name: MPI-PKS (Seminarroom 4)\n  Street: Nöth
 nitzer Straße 38\n  City: 01187 Dresden\n  Phone: + 49 (0)351 871 0\n  Fa
 x: \nDescription: Recent experiments in the underdoped regime of the hole-
 doped cuprates have found evidence for an incommensurate charge density wa
 ve state. I'll present an analysis of the charge ordering instabilities in
  a metal with antiferromagnetic correlations\, where the electronic excita
 tions are coupled to the fractionalized excitations of a quantum fluctuati
 ng antiferromagnet on the square lattice. The resulting charge density wav
 e state emerging out of such a fractionalized Fermi-liquid (FL*) is remark
 ably similar to the one observed in experiments on a number of different f
 amilies of the cuprates. Our results show that the observed charge density
  wave appears as a low-energy instability of a \"fractionalized\" metallic
  state linked to the proximity to an antiferromagnetic insulator\, and the
  pseudogap regime can be described by such a metal at least over intermedi
 ate length and energy scales. I'll discuss various theoretical approaches 
 towards describing such a fractionalized metallic state in one-band models
 .
DTSTAMP:20260622T100801Z
CREATED:20150707T075649Z
LAST-MODIFIED:20150709T075025Z
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