Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki
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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2017, Volume 105, Issue 5, Pages 322–326
DOI: https://doi.org/10.7868/S0370274X17050137 (Mi jetpl5215) 		 
This article is cited in 3 scientific papers (total in 3 papers)

SCIENTIFIC SUMMARIES

Quasiparticle operators for high-temperature cuprate superconductors

M. V. Eremin

Institute of Physics, Kazan Federal University, Kazan, Russia
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DOI: https://doi.org/10.7868/S0370274X17050137
Abstract: A complete set of quasiparticle operators diagonalizing operators of the Coulomb and exchange interactions of copper and oxygen holes in cuprate high-temperature superconductors (HTSCs) is obtained. A scheme of energy bands in the regime of strong electron correlations is constructed. The effective operator for the singleband approximation is obtained with this scheme. It is found that the role of three-site correlations in hole HTSCs is negligibly small. This circumstance explains both the sharp increase in critical temperatures of hole HTSCs in comparison with electron-doped ones and the asymmetry between the spectra of collective spin excitations in these compounds.
Funding agency Grant number
Russian Foundation for Basic Research
Received: 16.01.2017
Revised: 02.02.2017
English version:
Journal of Experimental and Theoretical Physics Letters, 2017, Volume 105, Issue 5, Pages 341–345
DOI: https://doi.org/10.1134/S0021364017050071
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. V. Eremin, “Quasiparticle operators for high-temperature cuprate superconductors”, Pis'ma v Zh. Èksper. Teoret. Fiz., 105:5 (2017), 322–326; JETP Letters, 105:5 (2017), 341–345
Citation in format AMSBIB
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    • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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