Gauge Fields on a Lattice Selected Topics II
Models of quantum gauge fields on a lattice, introduced some years ago by Wilson  and others, continue to provide interesting structures to study both from a physical and mathematical point of view. While their main motivation comes from elementary particle theory, in relation with the problem of infrared behaviour and quark confinement, these models, formulated in the Euclidean discrete version, provide also interesting examples of statistical mechanics systems, whose behaviour is completely different from the more familiar one of systems related to the conventional ferromagnetic structure of the Ising model.
KeywordsPartition Function Ising Model Gauge Field Recursive Equation Cluster Expansion
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