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New effective-field theory for the Blume-Capel model

✍ Scribed by A.F. Siqueira; I.P. Fittipaldi

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
1008 KB
Volume
138
Category
Article
ISSN
0378-4371

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πŸ“œ SIMILAR VOLUMES

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The critical properties of the d-dimensional Blume-Capel model is studied by using the mean field renormalization group method. The phase diagram and tricritical behaviour of the square lattice and various three-dimensional lattices have been analysed. Results are compared with those of high-tempera

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A two-spin cluster effective field theory for the Blume-Capel model with arbitrary spin S is presented by making use of exact spin identities and taking advantage of the differential operator technique. The dependence of the transition temperature is studied as a function of the single-ion 3 and 2.