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TZID:Europe/Vienna
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DTSTART:20250330T030000
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DTSTAMP:20260424T102417Z
UID:65b10888895e4717580445@ist.ac.at
DTSTART:20250429T110000
DTEND:20250429T120000
DESCRIPTION:Speaker: Erez Berg\nhosted by Maksym Serbyn\nAbstract:  Recent
 ly\, untwisted graphene multilayers have emerged as a rich platform to
  study quantum many-body physics. I will describe recent experiments on a 
 stack of three layers of graphene\, where superconductivity was recen
 tly discovered at the boundary between states with different broken symme
 tries. Experiments hint to an unconventional mechanism for superconductiv
 ity\, where counterintuitively\, the binding of electrons into pairs origi
 nates from the repulsive Coulomb interaction between them. Even more inter
 estingly\, one of the superconducting phases in trilayer graphene seem
 s to be an unusual fully spin polarized triplet state. The topology of its
  order parameter space\, that intertwines the phase of the superconductin
 g condensate with the spin polarization\, can lead to unusual phenomena\,
  such as anomalous supercurrent dissipation and a fractional-period  ac J
 osephson effect.
LOCATION:Office Bldg West / Ground floor / Heinzel Seminar Room (I21.EG.101
 )\, ISTA
ORGANIZER:Stephanie.Dolot@ist.ac.at
SUMMARY:Erez Berg: Exotic Superconductivity in Graphene Multilayers
URL:https://talks-calendar.ista.ac.at/events/5450
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