A theory of order-disorder phenomena II

F.E.J. Kruseman Aretz, E.G.D. Cohen

    Research output: Contribution to journalArticleAcademicpeer-review


    On the basis of a moment method developed in a previous paper, several well-known approximation methods: the method of Guggenheim and McGlashan, Yang and Li, and of Kikuchi-Hijmans-De Boer, are rederived by restriction to the first moment. Furthermore, using the second- and third moment, explicit expressions for the semi-invariants ¿2IL are given for the case that the interaction is restricted to pairs of nearest neighbours.
    Original languageEnglish
    Pages (from-to)981-996
    Number of pages16
    Issue number11
    Publication statusPublished - 1960


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