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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-9900
DTSTART:20261110T160000Z
DTEND:20261110T170000Z
DTSTAMP:20261104T001224Z
LAST-MODIFIED:20261102T193605Z
LOCATION:3290 Chamberlin
SUMMARY:Probing Superconducting Electrodynamics Through Near-Field Noi
 se\, Condensed Matter Theory Group Seminar\, Gustav Romare\, UW Madiso
 n
DESCRIPTION:Electromagnetic noise near superconductors provide a sensi
 tive probe of their underlying electronic response. We investigate how
  superconducting correlations and spatially nonlocal electrodynamics i
 nfluence the electromagnetic noise detected by nearby quantum sensors.
  By relating the wave-vector- and frequency-dependent response of supe
 rconducting systems to magnetic field fluctuations\, we study experime
 ntally accessible observables such as T1 time and their dependence on 
 temperature\, probe frequency\, and sensor-sample separation. We ident
 ify characteristic noise signatures and demonstrate how near-field mea
 surements can access information beyond that available from convention
 al transport probes.
URL:https://www.physics.wisc.edu/events/?id=9900
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