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Higher-rank discrete symmetries in the IBM. III Tetrahedral shapes
Piet Van Isacker, Abdelhamid Bouldjedri, Salima Zerguine
In the context of the sf-IBM, the interacting boson model with s and f bosons, the conditions are derived for a rotationally invariant and parity-conserving Hamiltonian with up to…
nucl-th2020
Higher-rank discrete symmetries in the IBM. II Octahedral shapes: Dynamical symmetries
A. Bouldjedri, S. Zerguine, P. Van Isacker
The symmetries of the sdg-IBM, the interacting boson model with s, d and g bosons, are studied as regards the occurrence of shapes with octahedral symmetry. It is shown that no sdg…