Nucleon-pair truncation of the shell model for medium-heavy nuclei

@article{Yu2022NucleonpairTO,
  title={Nucleon-pair truncation of the shell model for medium-heavy nuclei},
  author={Y. X. Yu and Y. Lu and G. J. Fu and Calvin W. Johnson and Z. Z. Ren},
  journal={Physical Review C},
  year={2022}
}
Background: Computationally tractable models of atomic nuclei is a long-time goal of nuclear structure physics. A flexible framework which easily includes excited states and many-body correlations is the configuration-interaction shell model (SM), but the exponential growth of the basis means one needs an efficient truncation scheme, ideally one that includes both deformation and pairing correlations. Purpose: We propose an efficient truncation scheme of the SM: starting from a pair condensate… 

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