The distinguishable electron method for
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Bernard Kirtman
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Article
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1968
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Elsevier Science
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English
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We present a new perturbation method for calculating electronic structure based on 1) intuitive choice of a non-symmetric Ho and 2) application of a Van Vleck type of degenerate perturbation theory. The connection with Sinanoglu's pair formalism is developed. ## 1. Introd~cction Recently, there ha