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SUMMARY:Non-Hermitian Quantum Many-Body Scar Phase
DTSTART:20251003T090000Z
DTEND:20251003T100000Z
DTSTAMP:20260517T124600Z
UID:indico-event-18095@indico.psi.ch
CONTACT:markus.mueller@psi.ch
DESCRIPTION:Speakers: Keita Omiya (PSI)\n\nQuantum many-body scars (QMBS) 
 represent a subtle form of ergodicity breaking that is commonly attributed
  to the existence of anomalous eigenstates. Due to their delicate underlyi
 ng algebraic structure\, the common expectation is that (i) QMBS cannot in
 fluence the system's long-time behavior and (ii) they cannot survive gener
 ic perturbations. In this presentation\, I argue that QMBS can emerge as a
  stable non-equilibrium phase in non-Hermitian dynamics\, which is similar
  to the entanglement transition induced by the non-Hermitian skin effect. 
 Specifically\, I analyze a simple SU(N) spin model supporting QMBS\, and s
 how that the system undergoes a sharp first-order-like dynamical phase tra
 nsition separating the thermal phase and a "scar-dominating" phase as a no
 n-Hermitian control parameter is varied.\n \nReference: arxiv:2507.22583
   \n\nhttps://indico.psi.ch/event/18095/
LOCATION:WHGA/121
URL:https://indico.psi.ch/event/18095/
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