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The methodology of using symmetrized augmented-plane-wave results as input for the Wang-Callaway linear combination of Gaussian-type orbitals (LCGTO) band-structure codes is developed and applied to fcc Ne as an example. At a cost of less than a 20% increase in computing time (compared with a regular LCGTO run), one obtains both muffin-tin and non-muffin-tin results. Certain technical advantages regarding basis-set inadequacies and avoidance of spurious self-consistencies also accrue with this hybrid method.
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Ray et al. (1981) studied this question.
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