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A method is presented for calculating the structure constants of the Green's-function [or Korringa-Kohn-Rostoker (KKR)] method which is much more efficient than the conventional one. This approach will allow for a significant reduction in the computing effort expended in calculations of the electronic structure of perfect crystals and of random alloys by the KKR method.
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Segall et al. (1980) studied this question.
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