The specific heat of a general two-dimen
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A. Aguilar; E. Braun
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Article
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1991
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Elsevier Science
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English
β 520 KB
We analyze the specific heat for the class of models treated in a previous paper. It is shown that if a certain condition is fulfilled (eq. ( 3)), then the specific heat diverges logarithmically. This fact is established without recourse to the details of the interactions between the spins; thus, we