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DTSTART:20220327T030000
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DTSTAMP:20260404T070009Z
UID:6267acd6e4251789030212@ist.ac.at
DTSTART:20220609T140000
DTEND:20220609T150000
DESCRIPTION:Speaker: Natalia Chepiga\nhosted by Maksym Serbyn\nAbstract: Su
 persymmetric lattice models of constrained fermions are known to feature e
 xotic phenomena such as superfrustration\, with an extensive degeneracy of
  ground states\, the nature of which is however generally unknown. We expl
 ore the properties of a superfrustrated model by deforming it away from th
 e supersymetric point. Using recently developed constrained density matrix
  renormalization group (DMRG) algorithm we reveal a rich phenomenology: Th
 e vicinity of the supersymmetric point features period-4 and period-5 dens
 ity waves which are connected by a floating phase - incommensurate Lutting
 er liquid phase with continuously varying density. In my talk I will show 
 that the supersymmetric point emerges as a multicritical point between the
 se three phases.
LOCATION:Big Seminar Room B (big) 63 seats (hybrid enabled) (I23.EG.102)\, 
 ISTA
ORGANIZER:cpetz@ist.ac.at
SUMMARY:Natalia Chepiga: Supersymmetry and mulicriticality in a ladder of c
 onstrained fermions
URL:https://talks-calendar.ista.ac.at/events/3726
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