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VOLUME 66 (1997) | ISSUE 3 | PAGE 173
Redistribution of the hole spectral weight due to long-range spin correlations in the three-band Hubbard model
In the framework of the three-band model for óÉïÇ plane in high-temperature superconductors the spectrum of the spin-polaron hole exitation is investigated. The problem is treated taking into account the coupling of a local polaron with the antiferromagnetic spin wave with Q ~ (ίγ, 7r).This leads to the essential changes of the lowest polaron band e\ (k) and the strong redistribution of the bare electron filling. PACS: 74.72.-h. 75.l0.-b