Filters
Results 1 - 1 of 1
Results 1 - 1 of 1.
Search took: 0.017 seconds
Perez, J.F.; Pontin, L.F.; Segundo, J.A.B.
Sao Paulo Univ. (Brazil). Inst. de Fisica1985
Sao Paulo Univ. (Brazil). Inst. de Fisica1985
AbstractAbstract
[en] Using a method proposed by van Hemmen the free energy of the Curie-Weiss version of the site-dilute antiferromagnetic Ising model is computed, in the presence of an uniform magnetic field. The solution displays an exact correspondence between this model and the Curie-Weiss version of the Ising model in the presence of a random magnetic field. The phase diagrams are discussed and a tricritical point is shown to exist. (Author)
[pt]
Usando um metodo proposto por van Hemmen, calcula-se a energia livre da versao de Curie-Weiss do modelo de Ising antiferromagnetico de sitio diluido na presenca de um campo magnetico uniforme. A solucao mostra uma correspondencia exata entre esse modelo e a versao de Curie-Weiss do modelo de Ising na presenca de um campo magnetico aleatorio. Discutem-se os diagramas de fase e mostra-se que existe um ponto tricritico. (L.C.)Source
1985; 9 p
Record Type
Report
Report Number
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue