Geometrical frustration

  • Thread starter samriti
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Main Question or Discussion Point

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??
 

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  • #2
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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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