Combinatorial formulation of Ising model revisited

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dc.creatorda Costa, G. A. T. F.
dc.creatorMaciel, A. L.
dc.date2003-04-24
dc.date.accessioned2026-07-07T04:30:07Z
dc.date.available2026-07-07T04:30:07Z
dc.descriptionIn 1952, Kac and Ward developed a combinatorial formulation for the two dimensional Ising model which is another method of obtaining Onsager's formula for the free energy per site in the thermodynamic limit of the model. Feynman gave an important contribution to this formulation conjecturing a crucial mathematical relation which completed Kac and Ward ideas. In this paper, the method of Kac, Ward and Feynman for the free field Ising model in two dimensions is reviewed in a selfcontained way.
dc.description27 pages, 17 figures
dc.identifierhttps://arxiv.org/abs/math-ph/0304033
dc.identifierhttp://arxiv.org/abs/math-ph/0304033
dc.identifierPublished in Rev.Bras.Ens.Fis.,vol 25 (1), 49-59 (2003)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/57362
dc.subjectMathematical Physics
dc.titleCombinatorial formulation of Ising model revisited
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