THEORY OF HIGH-TEMPERATURE SUPERCONDUCTIVITY IN CUPRATES - III - ENERGY-BANDS, FERMI SURFACES AND DENSITY-OF-STATES OF THE HOLE CARRIERS INTHE PRESENCE OF THE LOCAL ANTIFERROMAGNETIC ORDERING

We have separated a hole carrier and a localized spin, by treating the exchange interaction between the spins of a carrier hole and a locali zed spin in a mean field sense. Then we have constructed the effective one-electron-type band structure for the hole carriers in the presenc e of the antiferromagnetic (AF) ordering of the localized spins. In th e case of the undoped La2CuO4 all the energy bands are fully occupied by electrons so that La2CuO4 is an insulator. In this sense the presen t energy bands which include the many body effect fully is completely different from the ordinary energy band in the local density functiona l method. The top of the highest valence band is at (pi/a, pi/a, 0)-po int, and the calculated Fermi surface is small as far as the spin corr elation length of the AF order is larger than the mean free path. Base d on this energy band and Fermi surfaces we have calculated various no rmal state properties and explained their anomalous features, such as the x-dependence of the electronic specific heat, the linear temperatu re dependence of the resistivity down to T-c, the x-dependence of the Hall coefficient with the sign change, the large T dependence of R-H, the incommensurate peak of the neutron scattering and the instability at x = 0.125.