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Dynamic phase transition in the kinetic spin-1 Blume-Capel model: Phase diagrams in the temperature and crystal-field interaction plane
Authors:M Keskin  O Canko  Ü Temizer
Institution:(1) Department of Physics, Erciyes University, 38039 Kayseri, Turkey;(2) Department of Physics, Bozok University, 66100 Yozgat, Turkey
Abstract:Within a mean-field approach, the stationary states of the kinetic spin-1 Blume-Capel model in the presence of a time-dependent oscillating external magnetic field is studied. The Glauber-type stochastic dynamics is used to describe the time evolution of the system and obtain the mean-field dynamic equation of motion. The dynamic phase-transition points are calculated and phase diagrams are presented in the temperature and crystal-field interaction plane. According to the values of the magnetic field amplitude, three fundamental types of phase diagrams are found: One exhibits a dynamic tricritical point, while the other two exhibit a dynamic zero-temperature critical point. The text was submitted by the authors in English.
Keywords:
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