Abstract
Various forms of the statistical exchange approximation1–3 (abbreviated XA) have been used in atomic structure4–6 and energy band7, 8 calculations over the past 20 years. In view of the continuing importance of the XA in atomic and solid state investigations and its increasing prominence in molecular studies,9–11 it would be desirable to have a version of the XA which (a) is simple to deal with in a wide variety of applications, (b) is at least as satisfactory from a physical point of view as existing versions, and (c) is universal in character, in the sense that its key parameters are all independent of atomic number. The object of this short note is to propose such a form of the XA. For additional details and supporting information, the reader is referred to a recent paper.12
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References
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Herman, F., Schwarz, K. (1972). An Improved Statistical Exchange Approximation. In: Herman, F., Dalton, N.W., Koehler, T.R. (eds) Computational Solid State Physics. The IBM Research Symposia Series. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1977-1_20
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DOI: https://doi.org/10.1007/978-1-4684-1977-1_20
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