Physical Review LettersComment on "Criticality of the Anisotropic Quantum Heisenberg Model on a Self-Dual Hierarchical Lattice"Miron Kaufman, Mehran Kardar APublished Feb 6, 1984• 9 citationsPublisherAbstractReceived 17 October 1983DOI:https://doi.org/10.1103/PhysRevLett.52.483©1984 American Physical SocietyDOI10.1103/physrevlett.52.483