Abstract

The “back bending” for the nuclei 160Dy and 162Er is calculated in the framework of the Coriolis Antipairing (CAP) effect. Angular momentum, proton and neutron number projections are performed before the minimization of the expectation value of the total Hamiltonian with respect to the pairing degree of freedom for every angular momentum independently. The Hamiltonian is represented by the spherical shell model, pairing and quadrupole force. The trial wave functions are deformed Hartree Fock Bogoliubov (HB) states projected on to good angular momentum and on to good proton and neutron numbers. Comparison with experimental data shows a satisfactory agreement.

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