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UID:69d98da48496f
DTSTAMP:20260410T195412
DTSTART:20190415T113000
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DTEND:20190415T123000
URL:https://murmitoyen.com/events/vanille/udem/detail/866057-theory-of-topo
 logical-magnon-and-floquet-topological-magnon-insulators-samuel-owerre-per
 imeter-institute
LOCATION:  Pavillon J.- Armand-Bombardier\, 5155 avenue Decelles  amphithé
 âtre – 1035\, H3T 2B1\, Montréal
SUMMARY:Theory of Topological Magnon and Floquet Topological Magnon Insulat
 ors - Samuel Owerre Perimeter Institute
DESCRIPTION:Samuel Owerre\, Perimeter Institute for Theoretical Physics\, 3
 1 Caroline St. N.\, Waterloo\, Ontario N2L 2Y5\, Canada.
\nThe original co
 ncept of topological insulators (TIs) and  Floquet TIs is rooted in elec
 tronic systems. For example\, graphene with strong spin-orbit coupling (SO
 C) is a TI with topologically protected chiral edge modes. Whereas in the 
 absence of SOC\, graphene irradiated by circularly polarized electric fiel
 d can be turned to a Floquet topological insulator.  In the first part of
  this talk\, I will  introduce the concept of topological magnon insulat
 or in honeycomb ferromagnet CrI3 and kagome antiferromagnets. I will also 
 discuss recent material realization of topological magnons in CrI3 by ine
 lastic neutron scattering. In the second part of this talk\, I will intro
 duce the concept of Floquet topological magnon insulators as an alternativ
 e way to induce topological magnons in irradiated quantum magnets. Furthe
 rmore\, I will discuss the potential practical applications of Floquet top
 ological magnons to ultrafast spintronics. 
\nLien pour le site du Dr. Ow
 erre
\nCette conférence est présentée par le RQMP Versant Nord du D
 épartement de physique de l'Université de Montréal et le Département
  de génie physique de Polytechnique Montréal.
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