Abstract
An orthonormalized basis describing the single-hole states of the CuO2 plane has been constructed exactly taking into account the p-d exchange coupling between the spins of a hole and the two nearest copper ions. The introduced basis makes it possible to include the effects caused by the dependence of the Heisenberg interaction between the nearest copper ions on the occupation of the intermediate oxygen ion by the hole in the calculation of the spectrum of the collective excitations of nonlocal three-spin polarons. The inclusion of this correlation, as well as the nonlocality of the p-d exchange coupling, is the main difference of the developed approach to the description of the energy structure from the calculations with the use of the Zhang-Rice singlet.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
A. F. Barabanov, L. A. Maksimov, and A. V. Mikhienkov, Theory of the Spin-Polaron for 2D Antiferromagnets, in Lectures on the Physics of Highly Correlated Electron Systems IV, Ed. by F. Mancini (Am. Inst. Phys. CP, 2000), vol. 527, p. 1.
A. F. Barabanov and A. M. Belemuk, JETP Lett. 87, 628 (2008).
A. F. Barabanov and A. M. Belemuk, J. Exp. Theor. Phys. 111, 258 (2010).
V. V. Val’kov, M. M. Korovushkin, and A. F. Barabanov, JETP Lett. 88, 370 (2008).
V. J. Emery and G. Reiter, Phys. Rev. B 38, 4547 (1988).
B. I. Kochelaev, J. Sichelschmidt, B. Elschner, et al., Phys. Rev. Lett. 79, 4274 (1997).
D. M. Frenkel, R. J. Gooding, B. I. Shraiman, and E. D. Siggia, Phys. Rev. B 41, 350 (1990).
H. Q. Ding, G. H. Lang, and W. A. Goddard III, Phys. Rev. B 46, 14317 (1992).
Y. Petrov and T. Egami, Phys. Rev. B 58, 9485 (1998).
B. Lau, M. Berciu, and G. A. Sawatzky, Phys. Rev. Lett. 106, 036401 (2011).
B. Lau, M. Berciu, and G. A. Sawatzky, Phys. Rev. B 84, 165102 (2011).
A. F. Barabanov and O. A. Starykh, J. Phys. Soc. Jpn. 61, 704 (1992); A. F. Barabanov and V. M. Berezovsky, J. Exp. Theor. Phys. 79, 627 (1994); J. Phys. Soc. Jpn. 63, 3974 (1994); Phys. Lett. A 186, 175 (1994).
Author information
Authors and Affiliations
Additional information
Original Russian Text © V.V. Val’kov, D.M. Dzebisashvili, A.F. Barabanov, 2012, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2012, Vol. 95, No. 4, pp. 224–229.
Rights and permissions
About this article
Cite this article
Val’kov, V.V., Dzebisashvili, D.M. & Barabanov, A.F. Basis states and collective excitations of nonlocal three-spin polarons over the singlet phase of the CuO2 plane. Jetp Lett. 95, 206–212 (2012). https://doi.org/10.1134/S0021364012040091
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S0021364012040091