Comment on "Critical properties of highly frustrated pyrochlore antiferromagnets"
arXiv:cond-mat/9301029 · doi:10.1103/PhysRevB.48.9881
Abstract
We argue that the analysis of Reimers {\it et al.} [ Phys. Rev. B {\bf 45}, 7295 (1992)] of their Monte Carlo data on the Heisenberg pyrochlore antiferromagnet, which suggests a new universality class, is not conclusive. By re-analysis of their data, we demonstrate asymptotic volume dependence in some thermodynamic quantities, which suggests the possibility that the transition may be first order.
5 pages (RevTex 3.0), 3 figures available upon request, CRPS-93-04
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