Abstract Wu study a symmetric 3-state 27-vertex model and summarize three ways con-tributing to obtaining information of a higher-spin (more-vertex) model in terms of lower-spin (less-vertex) models. We find that this model is equivalent to a symmet-ric 2-state 8-vertex model or an arbitrary 3-state spin models on Kagome lattice in different eases. And 21 exact critical lines and a multicritical point (add something that I cannot recognize) are obtained in ten-dimensional weight space.
Received: 07 July 1995
Revised: 15 November 1995
Accepted manuscript online:
PACS:
05.50.+q
(Lattice theory and statistics)
Fund: Project supported by the National Natural Science Foundation of China, the National Basic Research project "Nonlinear Science", and the State Education commission Grant for doctor study.
Cite this article:
MI XIANG-DONG (米向东), YANG ZHAN-RU (杨展如) EXACT RESULTS FOR A SYMMETRIC 27-VERTEX MODEL 1996 Acta Physica Sinica (Overseas Edition) 5 646
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