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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2011, Volume 94, Issue 9, Pages 762–766 (Mi jetpl2376)  
This article is cited in 5 scientific papers (total in 5 papers)

CONDENSED MATTER

Effect of thermal fluctuations on magnetic phase separation and on the parameters of spin-spiral waves

A. K. Arzhnikov, A. G. Groschew

Physical-Technical Institute of the Ural Branch of the Russian Academy of Sciences
Full-text PDF (216 kB) Citations (5)
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Abstract: Effects of temperature on magnetic phase separation and on the parameters of spin-spiral waves are studied. The study is performed using the two-dimensional single-band Hubbard model and the Hubbard-Stratonovich transformation. Both commensurate (antiferromagnetic, ferromagnetic) and incommensurate (spiral) magnetic phases are considered. The problem is solved using the static approximation with allowance for transverse fluctuations of the magnetic moment. It is shown that the temperature significantly affects the collinear and spiral magnetic phases. With an increase in the temperature, the phase-separation region near the half-filling is sufficiently reduced and substituted by the antiferromagnetic phase. The results are used for the interpretation of the magnetic properties of cuprates.
Received: 11.09.2011
Revised: 10.10.2011
English version:
Journal of Experimental and Theoretical Physics Letters, 2011, Volume 94, Issue 9, Pages 703–707
DOI: https://doi.org/10.1134/S002136401121003X
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. K. Arzhnikov, A. G. Groschew, “Effect of thermal fluctuations on magnetic phase separation and on the parameters of spin-spiral waves”, Pis'ma v Zh. Èksper. Teoret. Fiz., 94:9 (2011), 762–766; JETP Letters, 94:9 (2011), 703–707
Citation in format AMSBIB
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    • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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