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Mixed spin Ising models with two-spin interactions and three-spin interactions of the diced lattice

✍ Scribed by T. Horiguchi; L.L. Gonçalves

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
580 KB
Volume
133
Category
Article
ISSN
0378-4371

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✦ Synopsis

An Ising model with two-spin interactions and three-spin interactions on the diced lattice is investigated.

The investigation is extended to a mixed spin model consisting of Ising spins of +I and those of magnitude s, and one consisting of Ising spins of 21 and classical n-vector spins. It turns out that these systems belong to the same universality class as the Baxter-Wu model. The other related models on the diced lattice are also discussed.

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✍ T. Horiguchi 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 592 KB

An investigation is given for an Ising model on a square lattice with two-spin interactions for all the vertical bonds and with three-spin interactions which exist alternately from triplets of three successive sites in a row of the horizontal direction and slantwise from row to row. We prove that th