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SUMMARY:Reflection and Kramers-Wannier duality in 1+1D spin chains
DTSTART:20250305T133000Z
DTEND:20250305T153000Z
DTSTAMP:20260305T134500Z
UID:indico-event-45502@agenda.infn.it
DESCRIPTION:Speakers: Marcus Berg\n\nI will present our recent work where 
 we introduce a "dual-reflection" interface between two spin chains\, by co
 mbining spatial reflection and Kramers-Wannier duality. This gives a Z_4 s
 ymmetry that squares to the Ising Z_2 symmetry\, for the open chain. I wil
 l discuss how to map the system to Majorana fermions\, where the Z_4 symme
 try is simply reflection with respect to a Majorana site\, and the constru
 ction of Majorana strong zero modes.The seminar is intended to be accessib
 le also to high-energy theorists.see: https://arxiv.org/abs/2412.06377\n\n
 https://agenda.infn.it/event/45502/
LOCATION:281 (Dipartimento di Fisica e Astronomia)
URL:https://agenda.infn.it/event/45502/
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