Korringa-Kohn-Rostoker spectral-band theory for general potentials
Phys. Rev. Lett. 65, 2031 – Published 15 October, 1990
DOI: https://doi.org/10.1103/PhysRevLett.65.2031
Abstract
Korringa-Kohn-Rostoker (KKR) theory is formulated in a way that is independent of the assumption that the potential is of the muffin-tin type. The resulting form of the KKR equation retains the separation of its dependence on the lattice structure and on the potential.