Summary and conclusions 11 study of odd mass quasi

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Summary and conclusions 11 Study of odd-mass quasi-particle spectra in the rare-earth region using fully-fledged, symmetry-unrestricted Skyrme HFB Equal Filling Approximation is of excellent quality Effect of time-odd fields: Weak impact on q.p. spectra. Induced effects, e.g. on OEM, are larger but still second-order Skyrme functionals: time-odd terms determined automatically by parameters of the interaction. Are we sure this is the right order of magnitude ? DFT “a la Kohn-Sham”: introduce terms dependent on s ( r,r’ ) and derivatives All standard Skyrme interactions agree poorly with experimental data Ground-state offset of the order of a few MeV ( bulk properties of EDF) Excited states offsets of the order of a few hundreds of keV ( largely dictated by effective mass m*) Proper description of pairing correlation is crucial Underlying shell structure must be reliable Pairing interaction/functional should be richer (Coulomb, isovector at the very least) Are (n) mass filters sufficient to capture all features of pairing functional ? Conclusions (1/2)
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Outlook 12 What is the best data set to constrain time-odd terms ? More generally: how can we make sure to constrain each term of the functional ? .html Comments and suggestions are welcome... ! “Golden Set” Conclusions (2/2)
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  • Fall '19
  • density functional theory

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