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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:1
UID:UW-Physics-Event-4864
DTSTART:20181018T150000Z
DURATION:PT1H0M0S
DTSTAMP:20260405T132247Z
LAST-MODIFIED:20181016T113044Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Non-equilibrium Quasiparticles in Superconducting Quantum Circ
 uits\, R. G. Herb Condensed Matter Seminar\, Prof. Eli Levenson-Falk\,
  University of Southern California
DESCRIPTION:Superconducting electrical circuits are an exciting quantu
 m information technology platform. However\, quasiparticles--electron-
 like single-particle excitations of the superconducting condensate--ca
 n cause loss and noise\, limiting the performance of these devices. Th
 e generation mechanisms\, behavior\, and annihilation channels of thes
 e quasiparticles are still poorly understood\, hindering efforts to el
 iminate them from circuits. I will review the evidence for different q
 uasiparticle models\, show measurements using Andreev bound states as 
 quasiparticle traps\, and discuss future experiments that will determi
 ne the best ways to mitigate the harmful effects of quasiparticles.  

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URL:https://www.physics.wisc.edu/events/?id=4864
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