Abstract
Abstract : A rapidly convergent method for band structure calculations, based on a cylindrical coordinates expansion, is generalized to include the spin-orbit interaction. This approach is advantageous particularly for materials highly anisotropic in one direction. The pertinent wave equations are tested for the PbSe low bands along the Tau-L line. The results compare well with PbSe known band structure except where the bands group together to form degenerate, or near degenerate, equal parity clusters.
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