A model with simultaneous first and second order phase transitions - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Statistical Physics Année : 2006

A model with simultaneous first and second order phase transitions

Résumé

We introduce a two dimensional nonlinear XY model with a second order phase transition driven by spin waves, together with a first order phase transition in the bond variables between two bond ordered phases, one with local ferromagnetic order and another with local antiferromagnetic order. We also prove that at the transition temperature the bond-ordered phases coexist with a disordered phase as predicted by Domany, Schick and Swendsen. This last result generalizes the result of Shlosman and van Enter (cond-mat/0205455). We argue that these phenomena are quite general and should occur for a large class of potentials.

Dates et versions

hal-00133307 , version 1 (25-02-2007)

Identifiants

Citer

Alain Messager, Bruno Nachtergaele. A model with simultaneous first and second order phase transitions. Journal of Statistical Physics, 2006, 122. ⟨hal-00133307⟩
86 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More