06-132 A.C.D.van Enter, S.Romano and V.A.Zagrebnov

First-order transitions for some generalized XY models (47K, latex ) Apr 26, 06

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Abstract. In this note we demonstrate the occurrence of first-order transitions in temperature for some recently introduced generalized XY models, and also point out the connection between them and annealed site-diluted (lattice gas) models.

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