Journal
PHYSICAL REVIEW LETTERS
Volume 120, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.053001
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Funding
- Alexander-von-Humboldt Foundation (Bonn, Germany)
- Marsden Fund of the Royal Society of New Zealand
- U.S. Department of Energy [DOE-DE-NA0002847, DE-SC0013365, DE-SC0008511]
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Fermion localization functions are used to discuss electronic and nucleonic shell structure effects in the superheavy element oganesson, the heaviest element discovered to date. Spin-orbit splitting in the 7p electronic shell becomes so large (similar to 10 eV) that Og is expected to show uniform-gas-like behavior in the valence region with a rather large dipole polarizability compared to the lighter rare gas elements. The nucleon localization in Og is also predicted to undergo a transition to the Thomas-Fermi gas behavior in the valence region. This effect, particularly strong for neutrons, is due to the high density of single-particle orbitals.
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