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VOLUME 37 (1983) | ISSUE 4 | PAGE 190
Topological model of a Heisenberg spin glass
Two aspects of a model recently proposed for a Heisenberg spin glass are discussed: the asymptotic freedom of the theory and the absence of a long-range order with a correlation radius which vanishes exponentially with the temperature. The latter circumstance means that d — 3 is the lower critical dimensionality of the model