On the question of universality in RPn and On Lattice Sigma Models
classification
✦ hep-lat
keywords
latticemodelssigmauniversalityargueclaimscontinuumcontrary
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We argue that there is no essential violation of universality in the continuum limit of mixed $\RPn$ and $\On$ lattice sigma models in 2 dimensions, contrary to opposite claims in the literature.
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