| Issue |
EPJ Web Conf.
Volume 329, 2025
17th International Symposium on Capture Gamma Ray Spectroscopy and Related Topics (CGS17)
|
|
|---|---|---|
| Article Number | 02012 | |
| Number of page(s) | 5 | |
| Section | Theoretical Nuclear Structure | |
| DOI | https://doi.org/10.1051/epjconf/202532902012 | |
| Published online | 25 June 2025 | |
https://doi.org/10.1051/epjconf/202532902012
Intertwined quantum phase transitions in odd-mass Nb isotopes
1 Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel
2 Grand Accélérateur National d’Ions Lourds, CEA/DRF-CNRS/IN2P3, Bvd Henri Becquerel, BP 55027, F-14076 Caen, France
3 Center for Theoretical Physics, Sloane Physics Laboratory, Yale University, New Haven, Connecticut 06520-8120, USA
* e-mail: ami@phys.huji.ac.il
** e-mail: noam.gavrielov@ganil.fr
*** e-mail: francesco.iachello@yale.edu
Published online: 25 June 2025
A detailed analysis of odd-mass Nb isotopes, in the framework of the interacting boson-fermion model with configuration mixing, discloses the effects of an abrupt crossing of states in normal and intruder configurations (Type II QPT), on top of which superimposed 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.
© The Authors, published by EDP Sciences, 2025
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