Abstract
The role of beyond-mean-field correlations from the restoration of broken symmetries and configuration mixing for the description of superheavy elements is illustrated.
Highlights
Self-Consistent Mean-Field (SCMF) models are one of the standard approaches to describe a wide range of phenomena in nuclear structure and dynamics [1]
This feature is at the heart of the predictive and explanatory power of the nuclear SCMF method, as it can be exploited to grasp correlations associated with collective degrees of freedom in an intuitive manner at moderate computational cost
The physical many-body states, are eigenstates of angular momentum, parity, proton and neutron numbers, which in general might all be broken by SCMF states
Summary
Self-Consistent Mean-Field (SCMF) models are one of the standard approaches to describe a wide range of phenomena in nuclear structure and dynamics [1] They are the only available microscopic method that at present can be applied in a systematic manner to all bound atomic nuclei irrespective of their mass and their proton-to-neutron ratio. For many nuclei the mixing of states with different intrinsic deformation is necessary for their correct description, for example to describe fluctuations in shape degrees of freedom or the widespread phenomenon of shape coexistence Such mixing can be most achieved within the Generator Coordinate Method (GCM), which can be naturally combined with projection into a single framework [5, 6]. We will give a few illustrative results for properties of very heavy and superheavy nuclei obtained at the various stages of such method
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