Abstract
In this study, we have analyzed the dynamical phase transitions of spin-1 Blume-Capel model with quenched random crystal field under the effect of a time dependent oscillating magnetic field. We have obtained the magnetic field, temperature (h,T) cross sections of the global phase diagram for constant values of the concentration and the amplitude of the single-ion anisotropy within mean field approximation. There are regions of the phase space where both ordered and disordered phases coexist. In addition, the dynamic phase transition from one regime to the other can be a first- or a second-order depending on the region in the phase diagram. Hence, the system exhibits a number of interesting phenomena and a rich variety of phase diagrams with type being according to the concentration p of active local crystal fields.
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Gulpinar, G., Vatansever, E. Effects of the Quenched Random Crystal Field on the Dynamic Spin-1 Blume-Capel Model. J Stat Phys 146, 787–799 (2012). https://doi.org/10.1007/s10955-012-0423-z
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DOI: https://doi.org/10.1007/s10955-012-0423-z