Exact results for lattice models with pair and triplet interactions
- 7 November 1989
- journal article
- letter
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 22 (21) , L1031-L1035
- https://doi.org/10.1088/0305-4470/22/21/011
Abstract
Considers an Ising model and the related lattice gas on the Kagome lattice with two- and three-site couplings. Using a transformation which effectively decimates the triplet interactions, the authors determine the exact phase diagram of the Ising model as well as the exact boundary of the two-phase region of the lattice gas.Keywords
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