Effects of the bond dilution on the phase diagrams of a spin-1 transverse Ising model with crystal field interaction on a honeycomb lattice

Ümit Akıncı, Yusuf Yüksel and Hamza Polat

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 4, 541-552

Abstract: A bond diluted spin-1 Ising model with crystal and transverse field interactions is examined for honeycomb lattice by introducing an effective field approximation that takes into account the correlations between different spins that emerge when expanding the identities. The effects of the crystal field as well as the transverse field and dilution on the phase diagrams and order parameter mz are discussed in detail. A number of interesting and unusual phenomena such as reentrant phenomena and three successive phase transitions originating from the crystal field as well as the transverse field and bond dilution have been found.

Keywords: Bond dilution; Ferromagnetism; Phase diagrams; Spin-1 TIM (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:4:p:541-552

DOI: 10.1016/j.physa.2010.10.037

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