Superconducting gap anisotropy within the framework of a simple exchange model for layered cuprates. The theory of HTSC

T. M. Mishonov, A. A. Donkov, R. K. Koleva +1

The oxygen O2p_sigma and copper Cu4s and Cu3d_x^2-y^2 orbitals are involved in a simple LCAO model for determination of the conduction band and the oxygen-oxygen hopping is conside…