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Exact solution of the two-sublattice vertex model

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
138
Identifiers
DOI: 10.1016/0375-9601(89)90022-4

Abstract

Abstract An exact solution is obtained for the eigenvalues and eigenvectors of the diagonal-to-diagonal transfer matrix of the two-dimensional vertex model with two sublattices. On the basis of this solution the exact expression for the free energy of the model is derived. This model is the classical analogue of the one-dimensional Hubbard model.

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