Abstract
It is well known that the Pauli principle plays a substantial role at low energies because the phonon operators are not ideal boson operators. Calculating the exact commutators between the quasiparticle and phonon operators, one can take into account the Pauli principle corrections. Besides, the ground state correlations due to the quasiparticle interaction in the ground state influence the single-particle fragmentation as well. In this paper, we generalize the basic equations of the quasiparticle-phonon nuclear model to account for both effects mentioned. As an illustration of our approach, calculations on the structure of the low-lying states in 133Ba have been performed.
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Mishev, S., Voronov, V.V. Ground state correlations and structure of odd spherical nuclei. Phys. Part. Nuclei Lett. 5, 343–348 (2008). https://doi.org/10.1134/S154747710804002X
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DOI: https://doi.org/10.1134/S154747710804002X