Abstract

Abstract By use of the quasiparticle-quasihole space as model space, a model is established in order to determine excitation energies and transition probabilities of atomic nuclei. The equations derived show a remarkable correspondence to those in Migdal’s quasiparticle theory. The validity of the quasiparticle hypothesis, which is fundamental in Migdal’s theory, is not a necessary condition for a weak dependency of the effective interaction. This energy dependency is also independent of the choice of the one particle basis.

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