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Revista mexicana de física E
versión impresa ISSN 1870-3542
Resumen
RAMIREZ-HERNANDEZ, A.. El modelo BEG con interacciones de largo alcance: propiedades estáticas y dinámicas. Rev. mex. fís. E [online]. 2010, vol.56, n.1, pp.92-97. ISSN 1870-3542.
We study the static and dynamic properties of the BEG model with long-range interactions. This model is exactly solvable both in the canonical and in the microcanonical ensembles, we obtain the canonical partition function and the phase transition lines. Also, we study the dynamic properties through the master equation within the Glauber dynamics. We have derived and studied the kinetic equation for the magnetization, we observed the critical slowing down phenomenon near the critical point. Thus, this model represents a very interesting example, where it is possible to study all these phenomena, moreover it has a richer phase diagram than the Ising model, so it can be a nice example as part of the courses of statistical physics.
Palabras llave : Long-range interactions; phase transitions; master equation.