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Название: Cluster Expansion and Generalized Transfer Matrices for the Statistical Mechanics of Linear Chains
Авторы: Klein D., Welsher T.
A cluster expansion of the statistical mechanical density operator for a general linear chain model with nearest-neighbor interactions is made. This expansion is then shown to lead to an expansion of a generalized transfer matrix, whose maximum eigenvalue is the per-site partition function. A number of computational features, as well as some illustrative examples, of this approach are described.