The effect of uniaxial crystal-field anisotropy on magnetic properties of the superexchange antiferromagnetic Ising model

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dc.creatorCanova, Lucia
dc.creatorJascur, Michal
dc.date2006-03-14
dc.date.accessioned2026-07-07T07:02:25Z
dc.date.available2026-07-07T07:02:25Z
dc.descriptionThe generalized Fisher super-exchange antiferromagnetic model with uniaxial crystal-field anisotropy is exactly investigated using an extended mapping technique. An exact relation between partition function of the studied system and that one of the standard zero-field spin-1/2 Ising model on the corresponding lattice is obtained applying the decoration-iteration transformation. Consequently, exact results for all physical quantities are derived for arbitrary spin values S of decorating atoms. Particular attention is paid to the investigation of the effect of crystal-field anisotropy and external longitudinal magnetic field on magnetic properties of the system under investigation. The most interesting numerical results for ground-state and finite-temperature phase diagrams, thermal dependences of the sublattice magnetization and other thermodynamic quantities are discussed.
dc.description9 pages, 6 figures, submitted to Condens. Matter Phys
dc.identifierhttps://arxiv.org/abs/cond-mat/0603377
dc.identifierhttp://arxiv.org/abs/cond-mat/0603377
dc.identifierCondens. Matter Phys. 9 (2006) 47-54
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/108595
dc.subjectStatistical Mechanics
dc.titleThe effect of uniaxial crystal-field anisotropy on magnetic properties of the superexchange antiferromagnetic Ising model
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