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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2022, Volume 115, Issue 8, Pages 505–511
DOI: https://doi.org/10.31857/S1234567822080080
(Mi jetpl6654)
 

This article is cited in 3 scientific papers (total in 3 papers)

CONDENSED MATTER

Phase diagram of the four-vertex Potts model with competing exchange interactions

D. R. Kurbanova, A. K. Murtazaev, M. K. Ramazanov, M. A. Magomedov

Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences, Makhachkala, 367015 Russia
References:
Abstract: Phase transitions and magnetic structures in the ground state of the two-dimensional Potts model with four spin states on a triangular lattice with competing exchange interactions of the first, $J_1$, and second, $J_2$, nearest neighbors have been studied using the Wang–Landau Monte Carlo algorithm. The phase diagram of the critical temperature versus $J_2$ has been obtained. It has been revealed that the transition from the ferromagnetic phase to the paramagnetic one is a second-order phase transition, whereas the transition from the stripe and stripe–triplet phases to the paramagnetic one is a first-order phase transition. The magnetic structures of the ground state corresponding to different regions of the phase diagram have been determined. It has been found that the competition between exchange interactions in the range of $ - 1.2 \leqslant J_2 \leqslant - 0.9$ leads to strong frustration and breaking of magnetic order.
Received: 17.03.2022
Revised: 18.03.2022
Accepted: 18.03.2022
English version:
Journal of Experimental and Theoretical Physics Letters, 2022, Volume 115, Issue 8, Pages 471–476
DOI: https://doi.org/10.1134/S0021364022100484
Document Type: Article
Language: Russian
Citation: D. R. Kurbanova, A. K. Murtazaev, M. K. Ramazanov, M. A. Magomedov, “Phase diagram of the four-vertex Potts model with competing exchange interactions”, Pis'ma v Zh. Èksper. Teoret. Fiz., 115:8 (2022), 505–511; JETP Letters, 115:8 (2022), 471–476
Citation in format AMSBIB
\Bibitem{KurMurRam22}
\by D.~R.~Kurbanova, A.~K.~Murtazaev, M.~K.~Ramazanov, M.~A.~Magomedov
\paper Phase diagram of the four-vertex Potts model with competing exchange interactions
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2022
\vol 115
\issue 8
\pages 505--511
\mathnet{http://mi.mathnet.ru/jetpl6654}
\crossref{https://doi.org/10.31857/S1234567822080080}
\transl
\jour JETP Letters
\yr 2022
\vol 115
\issue 8
\pages 471--476
\crossref{https://doi.org/10.1134/S0021364022100484}
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  • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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