Abstract
A link between the spin structure and the shape of the Fermi surface is sys-tematically explored for the single-band repulsive Hubbard model with the fluctuation exchange (FLEX) approximation. We show that (i) the ex-perimentally observed band filling dependence of the peak position of the spin structure in the high T C cuprates can be understood for both the hole-doped (YBCO, Bi2212) and electron-doped (NCCO) regimes. (ii) For La 2−xSrxCuO4, the spin-structure incommensurability and the ARPES re-sult for the Fermi surface can be understood simultaneously if the second nearest neighbor hopping decreases with the hole doping.
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Kuroki, K., Arita, R. & Aoki, H. A Link between Spin Fluctuation and Fermi Surface in the High T c Cuprates — A Description within the Single-band Hubbard Model. Journal of Low Temperature Physics 117, 247–251 (1999). https://doi.org/10.1023/A:1022580524592
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DOI: https://doi.org/10.1023/A:1022580524592