Nonanalyticity of the optimized effective potential with finite basis sets
classification
❄️ cond-mat.other
physics.chem-ph
keywords
potentialbasiseffectiveequationsoptimizedsetsadoptanalytic
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We show that the finite-basis optimized effective potential (OEP) equations exhibit previously unknown singular behavior.Imposing continuity, we derive new well-behaved finite-basis-set OEP equations that determine OEP for any orbital and any large enough potential basis sets and which adopt an analytic solution via matrix-inversion.
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