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Fizika Tverdogo Tela, 2021, Volume 63, Issue 9, Pages 1350–1354
DOI: https://doi.org/10.21883/FTT.2021.09.51311.05H (Mi ftt8041) 		 
This article is cited in 1 scientific paper (total in 1 paper)

XXV International Symposium Nanophysics and Nanoelectronics, Nizhny Novgorod, March 9-12, 2021
Phase transitions

Nontrivial ground state degeneracy of the spin–pseudospin model of a two-dimensional magnet near the frustration point

D. N. Yasinskaya, V. A. Ulitko, Yu. D. Panov

Ural Federal University named after the First President of Russia B. N. Yeltsin, Yekaterinburg, Russia
Full-text PDF (1015 kB) Citations (1)
DOI: https://doi.org/10.21883/FTT.2021.09.51311.05H
Abstract: The classical Monte Carlo method is used for the study of properties of the ground state and phase transitions of the spin-pseudospin model describing a two-dimensional Ising magnet with competing charge and spin interactions. This competition causes ground state degeneracy and frustration. It is shown that the ground state degeneracy is observed in the frustration area with nonzero probabilities of the formation of two different ordered states. Based on histogram analysis of Monte-Carlo data, the type of phase transitions is analyzed. It is found that first order phase transitions are observed near the frustration point, depending on the relationship between the spin s = 1/2 and pseudospin S = 1 interactions.
Keywords: diluted ising magnet, frustration, Monte-Carlo method, ground state, phase transitions.
Funding agency Grant number
Ural Federal University named after the First President of Russia B. N. Yeltsin 02.A03.21.0006
Ministry of Education and Science of the Russian Federation FEUZ-2020-0054
This work was supported by the Competitiveness Enhancement Program of the Ural Federal University (Act 211 of the Government of the Russian Federation, Agreement no. 02.A03.21.0006 and CEP 3.1.1.1.g-20) and the Ministry of Science and Higher Education of the Russian Federation (project FEUZ-2020-0054).
Received: 09.04.2021
Revised: 09.04.2021
Accepted: 19.04.2021
English version:
Physics of the Solid State, 2021, Volume 63, Issue 10, Pages 1588–1592
DOI: https://doi.org/10.1134/S1063783421090468
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. N. Yasinskaya, V. A. Ulitko, Yu. D. Panov, “Nontrivial ground state degeneracy of the spin–pseudospin model of a two-dimensional magnet near the frustration point”, Fizika Tverdogo Tela, 63:9 (2021), 1350–1354; Phys. Solid State, 63:10 (2021), 1588–1592
Citation in format AMSBIB
\Bibitem{YasUliPan21}
\by D.~N.~Yasinskaya, V.~A.~Ulitko, Yu.~D.~Panov
\paper Nontrivial ground state degeneracy of the spin–pseudospin model of a two-dimensional magnet near the frustration point
\jour Fizika Tverdogo Tela
\yr 2021
\vol 63
\issue 9
\pages 1350--1354
\mathnet{http://mi.mathnet.ru/ftt8041}
\crossref{https://doi.org/10.21883/FTT.2021.09.51311.05H}
\elib{https://elibrary.ru/item.asp?id=46690902}
\transl
\jour Phys. Solid State
\yr 2021
\vol 63
\issue 10
\pages 1588--1592
\crossref{https://doi.org/10.1134/S1063783421090468}
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  • https://www.mathnet.ru/eng/ftt/v63/i9/p1350
    • This publication is cited in the following 1 articles:
    1. Darya Yasinskaya, Yury Panov, “Pseudotransitions in a dilute Ising chain”, Phys. Rev. E, 110:4 (2024)  crossref
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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