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Teoreticheskaya i Matematicheskaya Fizika, 2005, Volume 145, Number 2, Pages 240–255
DOI: https://doi.org/10.4213/tmf1899 (Mi tmf1899) 		 
This article is cited in 22 scientific papers (total in 22 papers)

Dynamical Spin Susceptibility in the $t$–$J$ Model: The Memory Function Method

A. A. Vladimirova, D. Ihleb, N. M. Plakidaa

a Joint Institute for Nuclear Research
b Universität Leipzig
Full-text PDF (268 kB) Citations (22)
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DOI: https://doi.org/10.4213/tmf1899
Abstract: Based on the method of the equations of motion for the relaxation function in terms of Hubbard operators, we evaluate the dynamical spin susceptibility for the $t$–$J$ model in the paramagnetic phase. Using a Mori-type projection technique, we express the relaxation function in terms of the second-order memory function, which is evaluated in the approximation of coupled modes for hole excitations and spin fluctuations in the fourth order in the hopping parameter $t$ and the exchange interaction $J$.
Keywords: strong electron correlations, dynamical spin susceptibility, high-temperature superconductivity, $t$–$J$ model.
Received: 24.03.2005
English version:
Theoretical and Mathematical Physics, 2005, Volume 145, Issue 2, Pages 1576–1589
DOI: https://doi.org/10.1007/s11232-005-0184-9
Bibliographic databases:
Language: Russian
Citation: A. A. Vladimirov, D. Ihle, N. M. Plakida, “Dynamical Spin Susceptibility in the $t$–$J$ Model: The Memory Function Method”, TMF, 145:2 (2005), 240–255; Theoret. and Math. Phys., 145:2 (2005), 1576–1589
Citation in format AMSBIB
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\jour Theoret. and Math. Phys.
\yr 2005
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\pages 1576--1589
\crossref{https://doi.org/10.1007/s11232-005-0184-9}
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  • https://www.mathnet.ru/eng/tmf/v145/i2/p240
    • This publication is cited in the following 22 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Теоретическая и математическая физика Theoretical and Mathematical Physics
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