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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2015, Volume 102, Issue 5, Pages 333–338
DOI: https://doi.org/10.7868/S0370274X15170099 (Mi jetpl4722) 		 
This article is cited in 4 scientific papers (total in 4 papers)

CONDENSED MATTER

Quantum phase transition in a frustrated two-dimensional magnetic system: A matrix projection approach

A. F. Barabanova, A. V. Mikheyenkovabc, N. A. Kozlovc

a Institute for High Pressure Physics, Russian Academy of Sciences, Kaluzhskoe sh. 14, Troitsk, Moscow, 142190, Russia
b National Research Centre Kurchatov Institute, pl. Akademika Kurchatova 1, Moscow, 123182, Russia
c Moscow Institute of Physics and Technology (State University), Institutskii per. 9, Dolgoprudnyi, Moscow region, 141700, Russia
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DOI: https://doi.org/10.7868/S0370274X15170099
Abstract: A matrix projection formalism is developed for the description of a frustrated two-dimensional antiferromagnet. This approach keeps safe all the advantages of the spherically symmetric self-consistent treatment (it strictly meets the spin constraint and the Mermin–Wagner theorem) but does not have its disadvantages. In particular, even in its simplest implementation, this approach provides a good agreement with the numerical simulations for two best-studied reference points: the zero frustration point and the point of a transition from the antiferromagnetic ordered phase to the disordered phase.
Received: 17.07.2015
English version:
Journal of Experimental and Theoretical Physics Letters, 2015, Volume 102, Issue 5, Pages 301–306
DOI: https://doi.org/10.1134/S0021364015170038
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. F. Barabanov, A. V. Mikheyenkov, N. A. Kozlov, “Quantum phase transition in a frustrated two-dimensional magnetic system: A matrix projection approach”, Pis'ma v Zh. Èksper. Teoret. Fiz., 102:5 (2015), 333–338; JETP Letters, 102:5 (2015), 301–306
Citation in format AMSBIB
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    • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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