EPJ Web Conf.
Volume 223, 2019IV International Conference on Nuclear Structure and Dynamics (NSD2019)
|Number of page(s)||4|
|Published online||04 December 2019|
Intertwined quantum phase transitions in the Zr chain
Racah Institute of Physics, The Hebrew University,
2 Center for Theoretical Physics, Sloane Physics Laboratory, Yale University, New Haven, Connecticut 06520-8120, USA
Published online: 4 December 2019
We introduce the notion of intertwined quantum phase transitions (IQPTs), for which a crossing of two configurations coexists with a pronounced shape-evolution of each configuration. A detailed analysis in the framework of the interacting boson model with configuration mixing, provides evidence for this scenario inthe Zr isotopes. The latter exhibit a normal configuration which remains spherical along the chain, but exchanges roles with an intruder configuration, which undergoes first a spherical to prolate-deformed [U(5)→SU(3)] QPT and then a crossover to γ-unstable [SU(3)→SO(6)].
© The Authors, published by EDP Sciences, 2019
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