First-order phase transition in the fcc Heisenberg antiferromagnet
- 1 October 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 40 (10), 7019-7022
- https://doi.org/10.1103/physrevb.40.7019
Abstract
The nature of the phase transition of the nearest-neighbor Heisenberg antiferromagnet on a fcc lattice is studied by means of Monte Carlo simulations. Using a finite-size scaling, the transition is shown to be unambiguously of first order. Evidence for a first-order transition in the corresponding XY model is also presented.Keywords
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