Geodesic
Thermodynamic properties of 20-vertex models
Teoretičeskaâ i matematičeskaâ fizika, Tome 71 (1987) no. 3, pp. 410-416 
V. E. Zubkus; È. È. Tornau. Thermodynamic properties of 20-vertex models. Teoretičeskaâ i matematičeskaâ fizika, Tome 71 (1987) no. 3, pp. 410-416. http://geodesic.mathdoc.fr/item/TMF_1987_71_3_a10/
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     author = {V. E. Zubkus and \`E. \`E. Tornau},
     title = {Thermodynamic properties of 20-vertex models},
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Voir la notice de l'article provenant de la source Math-Net.Ru

By means of the cluster method, the thermodynamics of phase transitions in twentyvertices models on triangular lattice is investigated. When possible, the results obtained are compared with the exact ones. The behaviour of the system in the case of nonvanishing external fields is analysed.

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