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UID:DSC-13932
DTSTART;TZID=Europe/Berlin:20180207T140000
SEQUENCE:1517990695
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20180207T150000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/13932
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Allan:                         - cancelled - Universality of pseudo
 gap and emergent order in lightly doped Mott insulators                   
      
CLASS:PUBLIC
DESCRIPTION:Speaker: Prof. Milan P. Allan\nInstitute of Speaker: Leiden Ins
 titute of Physics at Leiden University\nTopics:\nMaterialien\, Physik\n Lo
 cation:\n  Name: IFW (A1E.10\, Hörsaal\, IFW Dresden)\n  Street: Helmholt
 zstraße 20\n  City: 01069 Dresden\n  Phone: \n  Fax: \nDescription: Abstr
 act  It is believed that high-Tc superconductivity in the cuprates emerges
  from doped Mott insulators. When doping these materials\, the electrons b
 ecome mobile but still feel the strong correlations from the Mott state\, 
 leading to electronic order\, a pseudogap phase and superconductivity. How
  the insertion of dopant atoms drives this evolution is not known\, nor wh
 ether these phenomena belong only to hole-doped cuprates. Using spectrosco
 pic-imaging Scanning Tunneling Microscopy\, we visualize the electronic st
 ates of the iridate (Sr1-xLax)2IrO4 [1\,2]\, which is chemically radically
  different from the cuprates. We find that above a certain doping threshol
 d\, a phase separated state emerges\, with the nucleation of pseudogap pud
 dles around clusters of dopant atoms. Within these puddles\, we observe th
 e same iconic electronic order that is seen in underdoped cuprates. Our re
 sults clarify the melting of the Mott state\, and establish phase separati
 on and electronic order as generic features of lightly doped 2D-Mott insul
 ators.  [1] I. Battisti &amp\; K. M. Bastiaans\, et al. Nature Physics 13\
 , 21 (2017). [2] I. Battisti\, et al. PRB 95\, 235141 (2017).
DTSTAMP:20261004T163813Z
CREATED:20180103T074054Z
LAST-MODIFIED:20180207T080455Z
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