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Abstract
Full fourth-order diagrammatic many-body perturbation theory calculations of electron correlation energies, including all singly excited, doubly excited, triply excited and quadruply excited states, are reported for the FH, OH2, NH3, CH4, N2, CO and HCN molecules. Fourth-order quantities which are invariant to arbitrary changes in scale and shifts of origin in the zero-order reference spectrum are constructed from these results.
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Schedule a callMore From: Journal of Physics B: Atomic and Molecular Physics
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