Convergence properties of the effective interaction
Ellis, Engeland, Hjorth-Jensen, Holt, Osnes
Abstract
The convergence properties of two perturbative schemes to sum the so-called folded diagrams are critically reviewed, with an emphasis on the intruder state problem. The methods we study are the approaches of Kuo and co-workers and Lee and Suzuki. The suitability of the two schemes for shell-model calculations are discussed.
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