Mixed spin-12 and spin-32 Blume–Capel Ising ferrimagnetic system on the Bethe lattice

Erhan Albayrak and Akkadin Alçi

Physica A: Statistical Mechanics and its Applications, 2005, vol. 345, issue 1, 48-60

Abstract: We present the exact formulation for the mixed spin-12 and spin-32 Blume–Capel Ising ferrimagnetic system on the Bethe lattice by the use of exact recursion relations. The exact expressions for the magnetization, quadrupole moment, Curie temperature and free energy are found and the phase diagrams are illustrated on the Bethe lattice with the coordination numbers q=3, 4, 5 and 6. It is found that the phase diagram of this mixed spin system only presents second-order phase transitions. The thermal variation of the magnetization belonging to each sublattice and the net magnetization are also presented.

Keywords: Recursion relations; Bethe lattice; Mixed-spin; Phase diagram (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:345:y:2005:i:1:p:48-60

DOI: 10.1016/j.physa.2004.04.134

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