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UID:DSC-20429
DTSTART;TZID=Europe/Berlin:20240115T145000
SEQUENCE:1705041425
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20240115T162000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/20429
LOCATION:TUD\,    
SUMMARY:Iraola: Topological quantum chemistry description of interacting-el
 ectron systems
CLASS:PUBLIC
DESCRIPTION:Speaker: Mikel Iraola\nInstitute of Speaker: IFW-Dresden\nTopic
 s:\nPhysik\n Location:\n  Name: TUD (REC/C213)\n  Street:   \n  City:  \n 
  Phone: \n  Fax: \nDescription: <p><strong>Abstract:</strong></p>  <p>The 
 intense attention attracted by topological materials in the last decades h
 as led to the development of efficient numerical methods and theoretical f
 rameworks for diagnosing and classifying topology in actual materials. In 
 particular\, topological quantum chemistry (TQC) formalism describes the r
 elationship between crystal symmetries and topology in all space groups\, 
 allowing for a systematic classification of topological phases in crystals
 . However\, these techniques rely on the independent-electron approximatio
 n\, and it remains unclear to what extent they can describe topology in in
 teracting materials. Here\, we explore the application of TQC to interacti
 ng-electron systems. First\, we apply TQC to revisit the topology in SmB6\
 , a prototype of a heavy-fermion insulator. Second\, we report on the use 
 of TQC on the single-particle Green's function as a method to classify int
 eracting topological phases. The Hubbard diamond chain serves as a testbed
  for this classification.</p>  <p><strong>BigBlueButton</strong>:  https
 ://bbb.tu-dresden.de/rooms/dar-mbs-me8-gsc (https://bbb.tu-dresden.de/room
 s/dar-mbs-me8-gsc/join)</p>
DTSTAMP:20260510T044929Z
CREATED:20240112T063705Z
LAST-MODIFIED:20240112T063705Z
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