Abstract
Recent results obtained on the basis of the self-consistent theory of finite Fermi systems by employing the energy density functional proposed by Fayans and his coauthors are surveyed. These results are compared with the predictions of Skyrme–Hartree–Fock theory involving several popular versions of the Skyrme energy density functional. Spherical nuclei are predominantly considered. The charge radii of even and odd nuclei and features of low-lying 2+ excitations in semimagic nuclei are discussed briefly. The single-particle energies ofmagic nuclei are examined inmore detail with allowance for corrections to mean-field theory that are induced by particle coupling to low-lying collective surface excitations (phonons). The importance of taking into account, in this problem, nonpole (tadpole) diagrams, which are usually disregarded, is emphasized. The spectroscopic factors of magic and semimagic nuclei are also considered. In this problem, only the surface term stemming from the energy dependence induced in the mass operator by the exchange of surface phonons is usually taken into account. The volume contribution associated with the energy dependence initially present in the mass operator within the self-consistent theory of finite Fermi systems because of the exchange of high-lying particle–hole excitations is also included in the spectroscopic factor. The results of the first studies that employed the Fayans energy density functional for deformed nuclei are also presented.
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Original Russian Text © E.E. Saperstein, S.V. Tolokonnikov, 2016, published in Yadernaya Fizika, 2016, Vol. 79, No. 6, pp. 703–738.
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Saperstein, E.E., Tolokonnikov, S.V. Self-consistent theory of finite Fermi systems and Skyrme–Hartree–Fock method. Phys. Atom. Nuclei 79, 1030–1066 (2016). https://doi.org/10.1134/S1063778816060211
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DOI: https://doi.org/10.1134/S1063778816060211