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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-6694
DTSTART:20211014T150000Z
DURATION:PT1H0M0S
DTSTAMP:20260414T193123Z
LAST-MODIFIED:20210925T182911Z
LOCATION:5310 Chamberlin
SUMMARY:The Emergence of Superconductivity in Inhomogeneous Systems\, 
 R. G. Herb Condensed Matter Seminar\, Nadya Mason \, UIUC
DESCRIPTION:Inhomogeneous superconductivity\, where puddle regions or 
 phase separation dominates behavior\, is evident in materials ranging 
 from high-temperature superconductors to complex oxides. Yet\, althoug
 h inhomogeneous superconductors have been intensely studied\, the natu
 re of the onset of superconductivity in these systems is still largely
  unknown. In this talk I will present electrical transport measurement
 s of model inhomogeneous superconductors\, and discuss the onset and g
 round states of superconductivity in these systems. First\, I will sho
 w how superconductivity is established in granular normal-superconduct
 ing systems via a “rare-region” or extremal-grain process. I will 
 then show how the ordering and separation of superconducting islands i
 n a normal metal matrix can induce metallic states and other unusual p
 hases. These results are generally relevant to how superconductivity i
 s established in low-dimensional or disordered systems. 
URL:https://www.physics.wisc.edu/events/?id=6694
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