Spurious Shell Closures in the Relativistic Mean Field Model

Abstract

Following a systematic theoretical study of the ground-state properties of over 7000 nuclei from the proton drip line to the neutron drip line in the relativistic mean field model [Prog. Theor. Phys. 113 (2005) 785], which is in fair agreement with existing experimental data, we observe a few spurious shell closures, i.e. proton shell closures at Z=58 and Z=92. These spurious shell closures are found to persist in all the effective forces of the relativistic mean field model, e.g. TMA, NL3, PKDD and DD-ME2.

3 pages, to appear in Chinese Physics Letters

References in corpus (4)

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• Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. III: Role of particle-number projection
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• Superheavy magic structures in the relativistic Hartree-Fock-Bogoliubov approach
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• Non-local mean field effect on nuclei near Z=64 sub-shell
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• Pairing phase transition: A Finite-Temperature Relativistic Hartree-Fock-Bogoliubov study
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• Odd-even staggerings on nuclear binding energy described by the covariant density functional theory
• Exploratory study on the masses of odd-$Z$ nuclei and $r$-process simulation based on the deformed relativistic Hartree-Bogoliubov theory in continuum