Deconfined criticality: generic first-order transition in the SU(2) symmetry case.
- Published Article
Physical review letters
- Publication Date
Aug 01, 2008
Monte Carlo simulations of the SU(2)-symmetric deconfined critical point action reveal strong violations of scale invariance for the deconfinement transition. We find compelling evidence that the generic runaway renormalization flow of the gauge coupling is to a weak first-order transition, similar to the case of U(1) x U(1) symmetry. Our results imply that recent numeric studies of the Nèel antiferromagnet to valence bond solid quantum phase transition in SU(2)-symmetric models were not accurate enough in determining the nature of the transition.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/18764379