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  • Letter

Mixed configurations and intertwined quantum phase transitions in odd-mass nuclei

N. Gavrielov1,2,*, A. Leviatan2,†, and F. Iachello1,‡

  • 1Center for Theoretical Physics, Sloane Physics Laboratory, Yale University, New Haven, Connecticut 06520-8120, USA
  • 2Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel

  • *noam.gavrielov@yale.edu
  • †ami@phys.huji.ac.il
  • ‡francesco.iachello@yale.edu
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Phys. Rev. C 106, L051304 – Published 21 November, 2022

DOI: https://doi.org/10.1103/PhysRevC.106.L051304

Abstract

We introduce a new Bose-Fermi framework for studying spectral properties and quantum phase transitions (QPTs) in odd-mass nuclei, in the presence of configuration mixing. A detailed analysis of odd-mass Nb isotopes discloses the effects of an abrupt crossing of states in normal and intruder configurations (Type II QPT), accompanied by a gradual evolution from spherical- to deformed-core shapes within the intruder configuration (Type I QPT). The pronounced presence of both types of QPTs demonstrates, for the first time, the occurrence of intertwined QPTs in odd-mass nuclei.

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Phys. Rev. C 106, L051304– Published 21 November, 2022
  • Received 7 September 2022
  • Accepted 10 November 2022
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