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Electron and Nucleon Localization Functions of Oganesson: Approaching the Thomas

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Title:
Electron and Nucleon Localization Functions of Oganesson: Approaching the Thomas-Fermi Limit Authors:
Jerabek, Paul; Schuetrumpf, Bastian; Schwerdtfeger, Peter; Nazarewicz, Witold Affiliation:
AA(Massey University Auckland, 0632 Auckland, New Zealand), AB(Michigan State University, East Lansing, Michigan 48824, USA), AC(Massey University Auckland, 0632 Auckland, New Zealand; Centre for Advanced Study (CAS) at the Norwegian Academy of Science and Letters, Drammensveien 78, NO-0271 Oslo, Norway), AD(Michigan State University, East Lansing, Michigan 48824, USA) Publication:
Physical Review Letters, Volume 120, Issue 5, id.053001 (PhRvL Homepage) Publication Date:
02/2018 Origin:
APS Abstract Copyright:
2018: American Physical Society DOI:
10.1103/PhysRevLett.120.053001 Bibliographic Code:
2018PhRvL.120e3001J

Abstract

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 7 p electronic shell becomes so large (˜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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