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2014 | 126 | 1 | 36-37
Article title

Monte Carlo Study of a Spin-3/2 Blume-Emery-Griffiths Model on a Honeycomb Lattice

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Abstracts
EN
We study the phase diagram of the spin-3/2 Blume-Emery-Griffiths model on a honeycomb lattice by Monte Carlo simulations in order to verify the presence of some peculiar features predicted by the effective field theory (EFT) with correlations. The locations of the order-disorder phase boundaries are estimated from thermal variations of the magnetic susceptibility curves. It is found that for positive values of the biquadratic interactions the critical boundary shows a discontinuous character as a function of the single-ion anisotropy strength, in line with the EFT expectations. However, for negative values of the biquadratic interactions the step-like variation of the critical frontier predicted by EFT was not reproduced.
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Contributors
author
  • Institute of Physics, Faculty of Sciences, P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovakia
author
  • Institute of Physics, Faculty of Sciences, P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovakia
References
  • [1] J. Sivardiere, M. Blume, Phys. Rev. B 5, 1126 (1972), doi: 10.1103/PhysRevB.5.1126
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  • [3] F.C. SáBarreto, O.F. De Alcantara Bonfim, Physica A 172, 378 (1991), doi: 10.1016/0378-4371(91)90390-X
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  • [5] T. Kaneyoshi, M. Jaščur, Phys. Lett. A 177, 172 (1993), doi: 10.1016/0375-9601(93)90530-D
  • [6] A. Bakkali, M. Kerouad, M. Saber, Physica A 229, 563 (1996), doi: 10.1016/0378-4371(96)00035-0
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv126n1014kz
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