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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:5
UID:UW-Physics-Event-8972
DTSTART:20251024T203000Z
DTEND:20251024T213000Z
DTSTAMP:20260413T083915Z
LAST-MODIFIED:20251021T163959Z
LOCATION:Chamberlin 2241
SUMMARY:Skyrmion Textures in Magnetic Materials\, Physics Department C
 olloquium\, Cristian Batista\, University of Tennessee\, Knoxville
DESCRIPTION:Building on Hermann von Helmholtz’s ideas\, William Thom
 son proposed in 1867 that atoms could be vortices in the aether. Altho
 ugh later experiments dismissed this notion\, the idea of topological 
 solitons as fundamental or artificial atoms remains compelling. Since 
 the 1960s\, evidence has mounted for modern analogues to the aether co
 ncept. In quantum magnets\, this “aether” takes the form of a vect
 or field of magnetic moments\, where topological solitons emerge as me
 soscale analogs of atoms. Like real atoms\, these solitons arrange the
 mselves into periodic arrays or “crystals\,” governed by symmetry\
 , anisotropy\, and competing microscopic interactions. These magnetic 
 textures produce an effective magnetic field that\, when coupled to th
 e orbital motion of conduction electrons\, can reach extreme magnitude
 s. We will explore how these topological magnetic structures emerge in
  real materials and how the quantum nature of spins can give rise to a
  broader range of skyrmion textures\, such as the one shown in the fig
 ure\, extending beyond those observed to date.
URL:https://www.physics.wisc.edu/events/?id=8972
END:VEVENT
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