Physics of the Solid State
Thermodynamic behavior of a two-dimensional clock model with q=5 spin states
Murtazaev A.K. 1, Badiev M.K. 1, Magomedov M.A. 1, Ramazanov M.K.1
1Amirkhanov Institute of Physics, Daghestan Federal Research Center, Russian Academy of Sciences, Makhachkala, Russia
Email: m_zagir@mail.ru
The Monte Carlo method was used to study the thermodynamic properties and phase transitions in a two-dimensional ferromagnetic clock model with q=5 spin states on a triangular lattice. Systems with linear dimensions Lx L=N, L=24/120 are considered. Two maxima are found on the temperature dependence of the heat capacity, which indicate the presence in the model under study of two phase transitions of the Berezinsky-Kosterlitz-Thouless type. Keywords: Monte Carlo method, phase transitions, clock model, thermodynamic parameters, ferromagnets. DOI: 10.61011/PSS.2023.08.56583.78
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