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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3172
DTSTART:20140227T160000Z
DURATION:PT1H0M0S
DTSTAMP:20260313T234301Z
LAST-MODIFIED:20140226T142634Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Topological phases\, Majorana fermions and disorder in superco
 nductors\, R. G. Herb Condensed Matter Seminar\,  Smitha Vishveshwara 
 \, University of Illinois at Urbana-Champaign
DESCRIPTION:In the hunt for Majorana particles\, originally proposed i
 n the context of particle physics\, recent explorations have led to ex
 citing prospects in superconducting wires\, including potential experi
 mental detection. Here\, an introduction to topological properties of 
 superconductors that result in Majorana modes will first be presented.
  It will then be argued that superconducting wires subject to various 
 potential landscapes can exhibit rich topological behavior. As an exam
 ple\, it will be shown that the presence of quasiperiodic potentials c
 an give rise to beautiful phase diagrams that mimic complex Hofstadter
  butterfly patterns. Finally\, connections to localization physics wil
 l be made in the context of disordered topological superconductors.
URL:https://www.physics.wisc.edu/events/?id=3172
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