Dynamic phase transition in the kinetic spin-1 Blume-Capel model: Phase diagrams in the temperature and crystal-field interaction plane |
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Authors: | M Keskin O Canko Ü Temizer |
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Institution: | (1) Department of Physics, Erciyes University, 38039 Kayseri, Turkey;(2) Department of Physics, Bozok University, 66100 Yozgat, Turkey |
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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. |
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