Abstrakt: |
We propose a scheme or procedure for performing practical calculations with generalized seniority. It reduces the total computing time by precalculating a set of intermediate quantities. We show that practically the computational (time and space) complexity of the algorithm does not depend on the valence particle number, in sharp contrast to the standard shell model. The method is demonstrated in semi-magic nuclei Ca, 116Sn, and 182Pb, where the low-lying states could be well reproduced through achieved convergence at high generalized seniority. Odd particle-number systems or possible three-body terms from the Hamiltonian could be treated by the same formalism without complication. [ABSTRACT FROM AUTHOR] |