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SUMMARY:JCMS: Exotic ordering mechanisms from non-symmorphic momentum spac
 e symmetries
DTSTART:20261111T091500Z
DTEND:20261111T101500Z
DTSTAMP:20261107T131800Z
UID:indico-event-9918@indico.fysik.su.se
DESCRIPTION:Speakers: Matteo Dürrnagel (University of Würzburg)\n\nIn th
 is talk I will promote systems with projective symmetry representations as
  promising platforms for novel quantum many body phases. A projective fact
 or system in real space can give rise to a non-symmorphic space group repr
 esentation in momentum space with direct consequences for the symmetry all
 owed ordering tendencies of the system. I will exemplify their potential o
 n two recent examples – extended s-wave altermagnetism [1] and nodeless 
 pair density wave order [2] – and discuss both their microscopic formati
 on mechanisms as well as experimentally traceable signatures. Finally\, I 
 will highlight the relevance of our results for newly synthesized M-point 
 twisted moiré materials and magnetic systems hosting emergent projective 
 symmetry representations in their effective low energy description.\n[1] M
 . Dürrnagel\, L. Klebl\, T. Müller\, R. Thomale\, and M. Klett\, Extende
 d s-wave altermagnets\, arXiv 2508.20163 (2025)\n[2] M. Dürrnagel\, C. A.
  Baum\, M. Klett\, L. Klebl\, and R. Thomale\, Pair density wave order fro
 m non-symmorphic momentum symmetry\, arXiv 2609.05603 (2026)\n\nhttps://in
 dico.fysik.su.se/event/9918/
LOCATION:Albano 3: 6228 - Mega (22 seats) (Albano Building 3)
URL:https://indico.fysik.su.se/event/9918/
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