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2000 | 97 | 1 | 213-216
Article title

Correlation Functions in the Spin-fermion Model

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We show that the quasiparticle states found in a self-consistent Born approximation for the spin-fermion model which describes CuO_{2} planes agree well with experimental data in insulating Sr_{2}CuO_{2}Cl_{2}. It is found that the antiferromagnetic correlations are reduced in the neighbourhood of a moving oxygen hole and the correlation functions can exhibit similar dipolar distortions as reported in the context of the t-J model.
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  • Institute of Physics, Jagellonian University, Reymonta 4, 30-059 Kraków, Poland
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  • Institute of Physics, Jagellonian University, Reymonta 4, 30-059 Kraków, Poland
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bwmeta1.element.bwnjournal-article-appv97z125kz
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