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CATEGORIES:Colloquium/Seminar
DESCRIPTION:Presented by: Vidya Madhavan\, University of Illinois Urbana-Ch
 ampaign\n\nAbstract: In 1937\, Ettore Majorana predicted the existence of a
  special class of fermions where the particle and the anti-particle are ide
 ntical. However\, with the possible exception of neutrinos\, there are no k
 nown fundamental particles that belong to this class. The possible realizat
 ion of Majorana fermions as quasiparticle excitations in solids has rekindl
 ed interest in these particles\, especially since Majorana states in solids
  may be useful as fault tolerant qubits for quantum information processing.
  While most studies have focused on Majorana bound states which can serve a
 s topological qubits\, more generally\, akin to elementary particles\, Majo
 rana fermions can propagate and display linear dispersion. This talk is foc
 used on recent work in realizing Majorana modes in condensed matter systems
 . I will first describe in detail the conditions under which such states ca
 n be realized and what their signatures are. I will then show scanning tunn
 eling microscopy data on 1D domain walls and step edges in two different su
 perconductors\, which might potentially be the first realizations of disper
 sing Majorana states in 1D.\n\nHost: Dan Dessau\n\nPlease note all presenta
 tions are password protected. Please contact Veronica Lingo to pre-register
  for this and each colloquium you'd like to attend.
DTEND:20210324T160000Z
DTSTAMP:20260417T061030Z
DTSTART:20210324T150000Z
LOCATION:
SEQUENCE:0
SUMMARY:Physics Colloquium\, "Creating and measuring the elusive Majorana f
 ermion"
UID:tag:localist.com\,2008:EventInstance_35458022336620
URL:https://calendar.colorado.edu/event/physics_colloquium_9118
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