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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3903
DTSTART:20160115T160000Z
DURATION:PT1H0M0S
DTSTAMP:20260419T192220Z
LAST-MODIFIED:20160112T134716Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Superconducting proximity effect in topological and spin-orbit
  materials\, R. G. Herb Condensed Matter Seminar\, Christopher Reeg\, 
 University of Florida
DESCRIPTION:In recent years\, there has been a renewed interest in the
  proximity effect due to its role in the realization of topological su
 perconductivity. During this talk\, we discuss several results that ha
 ve been obtained in the field of proximity-induced superconductivity a
 nd relate the results to the search for Majorana fermions. First\, we 
 show that repulsive electron-electron interactions can induce a non-Ma
 jorana zero-energy bound state at the interface between a conventional
  superconductor and a normal metal and propose an experimental setup t
 o observe such a state. Next\, we discuss how the size of the gap that
  is induced in a finite-sized normal metal proximity-coupled with a co
 nventional superconductor evolves as the thickness of the metal is inc
 reased. This question has important experimental consequences in topol
 ogical superconductivity\, as a sizable gap is required to isolate and
  detect the Majorana modes. Finally\, we show that strong Rashba spin-
 orbit coupling\, which is one of the key ingredients in engineering a 
 topological superconductor\, induces triplet pairing in the proximity 
 effect.
URL:https://www.physics.wisc.edu/events/?id=3903
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