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SUMMARY:Giant Dynamical Paramagnetism: From the High-Tc Cuprate Pseudogap 
 to Ultrafast Spin Detection
DTSTART:20260603T080000Z
DTEND:20260603T090000Z
DTSTAMP:20260625T122900Z
UID:indico-event-18958@indico.psi.ch
CONTACT:andreas.elben@psi.ch\;cornelius.hempel@psi.ch
DESCRIPTION:Speakers: Marios Manos ((MPI PKS Dresden))\n\nIn this talk\, I
  will discuss an instability that is present when optically pumping su
 perconducting layers that are Josephson coupled in the presence of a magne
 tic field. Remarkably\, this instability survives the high temperature pha
 se disordering superconducting to metal transition as long as there is lo
 cal pairing correlations. Applied to the case of cuprate superconductors a
 nd specifically the underdoped bilayer YBa2Cu3O6+x\, this instability can
  be used to probe ultra-local pairing correlations that are typically hidd
 en in transport measurements and other linear response probes[1]. I will 
 argue that beyond the cuprates this instability can be generally exploited
  to probe local pairing correlations in fluctuating superconductors.\nIn t
 he second part of the talk I will describe how such instability could be u
 sed to detect small magnetic fields on ultra-fast time scales in long Jose
 phson junction superconducting devices.[2]\n[1] arXiv:2410.12919: Giant Dy
 namical Paramagnetism in the driven pseudogap phase of YBa2Cu3O6+x\, M. H.
  M.\, Duilio De Santis\, Eugene A. Demler\, Patrick A. Lee\n[2] soon to b
 e published results.\n\nhttps://indico.psi.ch/event/18958/
LOCATION:OSGA/EG6b
URL:https://indico.psi.ch/event/18958/
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