Phase diagrams and ground-state structures of the Potts model on a triangular lattice

M.K. Ramazanov, A.K. Murtazaev and M.A. Magomedov

Physica A: Statistical Mechanics and its Applications, 2019, vol. 521, issue C, 543-550

Abstract: We have carried out Monte Carlo investigations of the phase transitions and ground-state magnetic structures in two-dimensional compounds described by the Potts model on a triangular lattice. Ground-state magnetic structures versus the ratio of next-nearest and nearest-neighbor exchange interactions J2∕J1 have been obtained. The frustrated areas have been revealed on the phase diagrams plotted for the dependence of the critical temperature on a value of next-nearest neighbor interactions. A phase transition order has been determined for considered values of J2∕J1.

Keywords: Frustration; Monte Carlo method; Potts model; Phase transitions (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:521:y:2019:i:c:p:543-550

DOI: 10.1016/j.physa.2019.01.116

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