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Electronic States in Finite Clusters of the d-p Model and Its Effective Hamiltonian

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The Physics and Chemistry of Oxide Superconductors

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 60))

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Abstract

We investigate numerically electronic states in Cu2O7 clusters of the d-p model and its effective Hamiltonian, which excludes two-hole state on each Cu and O site and no hole state on each Cu site. It is shown that for standard parameters the effective Hamiltonian reproduces semi- quantitatively the various physical properties of the original d-p model. We also discuss the formation of the Zhang-Rice singlet and a possible attractive force between two 0-holes near the charge-transfer instability.

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References

  1. See e.g. Proc. of the IBM Japan International Symp., “Strong Correlation and Superconductivity”, ed. by H. Fukuyama, S. Maekawa and A.P. Malozemoff, Springer Series in Solid-State Sciences 89 (Springer-Verlag 1989 ).

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  2. H. Fukuyama, H. Matsukawa and Y. Hasegawa, J. Phys. Soc. Jpn. 58 364(1989); H. Matsukawa and H. Fukuyama, J. Phys. Soc. Jpn. 58 2845 (1989).

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  3. F.C. Zhang and T.M. Rice, Phys.Rev. B37 3759 (1988).

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  4. H. Matsukawa and H. Fukuyama, J. Phys. Soc. Jpn. 58 3687 (1989).

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  5. H. Matsukawa and H. Fukuyama, J. Phys. Soc. Jpn. 59 1723 (1990).

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  6. L.H. Tjeng, H. Eskes and G.A. Sawatzky, in ref. l, p.33.

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Author information

Authors and Affiliations

  1. Department of Physics, Nara Women’s University, Nara 630, Japan

    H. Matsukawa

  2. Institute for Solid State Physics, University of Tokyo, 7-22-1 Roppongi, Minato-ku, Tokyo 106, Japan

    H. Fukuyama

Authors
  1. H. Matsukawa
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  2. H. Fukuyama
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Editor information

Editors and Affiliations

  1. Institute for Solid State Physics, University of Tokyo, Roppongi, Minato-ku, Tokyo 106, Japan

    Yasuhiro Iye  & Hiroshi Yasuoka  & 

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© 1992 Springer-Verlag Berlin, Heidelberg

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Matsukawa, H., Fukuyama, H. (1992). Electronic States in Finite Clusters of the d-p Model and Its Effective Hamiltonian. In: Iye, Y., Yasuoka, H. (eds) The Physics and Chemistry of Oxide Superconductors. Springer Proceedings in Physics, vol 60. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77154-5_22

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  • DOI: https://doi.org/10.1007/978-3-642-77154-5_22

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-77156-9

  • Online ISBN: 978-3-642-77154-5

  • eBook Packages: Springer Book Archive

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