Ferromagnetism in the Blume-Emery-Griffiths model on finite-size Cayley tree

Details Ferromagnetism in the Blume-Emery-Griffiths model on finite-size Cayley tree Ferromagnetism in the Blume-Emery-Griffiths model on finite-size Cayley tree

2009-11-30

arxiv.org/abs/0911.5586v1

Modern Physics Letters B, Vol. 25, No. 6 (2011) 385-390

Physics

Condensed Matter

Statistical Mechanics

10 pages, 2 figures

Scientific paper

The ferromagnetic properties of the spin-1 BEG model on finite-size Cayley tree are investigated using the exact recursion method. The spontaneous magnetization of the system is studied in detail for different values of the reduced crystal-field interaction D/J, and it is found that there is an unusual behavior (anti-Curie temperature) when D/J>2.0. We also obtain the Curie temperature of this finite-size system. When the system size is large enough, our results will fit well with that in the thermodynamic limit.

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