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Geometrical frustration

  1. Sep 17, 2013 #1
    In magnetism, the antiferromagnetic interaction between ising spin on a regular triangle is the simplest example of geometrical frustration. Is it possible that this frustration relieved for Heisenberg spins??
     
  2. jcsd
  3. Sep 17, 2013 #2
    No. Even for Heisenberg spins the lattice is still frustrated.

    In order to remove the frustration you have to distort the lattice (i.e. introduce a difference in the coupling paramters) or introduce interactions with second or third neighbors (can't remember the details, sorry).
     
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