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Browsing Chemistry & Biochemistry by Author "Ida, T."

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Second-order, two-electron Dyson propagator theory: Comparisons for vertical double ionization potentials 

Ida, T.; Ortiz, J.V. (2021-01-26)
The second-order, two-electron Dyson propagator is derived using superoperator theory with a spin-adapted formulation. To include certain ladder diagrams to all orders, the shifted-denominator SD2 approximation is made. ...