Abstract
It is currently an important issue on which orbital doped holes are located in high-T c Cu-oxides. Here comparative small-cluster studies are presented on two cases: in-plane pσ and pπ orbitals. They suggest that the pσ orbital is more favorable for pairing of two doped holes. In this connection the interaction between doped holes and surrounding Cu spins is examined in detail. It is pointed out thereby that the spin structure factor observable by neutron scattering experiments contains information to identify the location of doped holes.
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Shiba, H., Ogata, M. (1989). What Can We Learn from Small-Cluster Studies on CuO2 and Related Models?. In: Kamimura, H., Oshiyama, A. (eds) Mechanisms of High Temperature Superconductivity. Springer Series in Materials Science, vol 11. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74407-5_5
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DOI: https://doi.org/10.1007/978-3-642-74407-5_5
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