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SUMMARY:Kagome metals - Ronny Thomale\, University of Würzburg
DTSTART:20220303T140000Z
DTEND:20220303T150000Z
UID:TALK161740@talks.cam.ac.uk
CONTACT:Jan Behrends
DESCRIPTION:The recent discovery of AV3Sb5 (A=K\,Rb\,Cs) has uncovered an 
 intriguing arena for exotic Fermi surface instabilities in kagome metals. 
 Aside from charge density wave order\, a multi-dome superconducting phase 
 is found\, with strong indications to be of unconventional origin. We find
  that the sublattice interference mechanism is necessary and sufficient to
  uncover the nature of unconventional particle-hole and particle-particle 
 pairing in the V net kagome metals. We predict a Peierls-type charge densi
 ty wave with finite relative angular momentum and orbital current formatio
 n. With regard to the possible nature of unconventional pairing\, we find 
 a rich phase diagram depending on the range of the screened electronic int
 eractions\, the multi-orbital content\, and the location of multiple van H
 ove singularities with respect to the Fermi level. Combined\, kagome metal
 s open a new domain of unconventional electronic order\, unfolding a pleth
 ora of fascinating experimental and theoretical investigations.
LOCATION:Details of video conferencing will be distributed nearer the time
 .
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