Modern shell-model diagonalizations with realistic NN forces

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dc.creatorQi, C.
dc.creatorXu, F. R.
dc.date2007-01-13
dc.date.accessioned2026-07-07T07:41:04Z
dc.date.available2026-07-07T07:41:04Z
dc.descriptionThe spectral and statistical properties of nuclei $^{46}$V and $^{48}$Cr are studied in the framework of nuclear shell model. A microscopical effective Hamiltonian derived from the CD-Bonn \textit{NN} potential is employed. The calculations are preliminary results of a newly developed parallel shell-model code. Calculations with the realistic \textit{NN} interaction reproduce well the ground-state rotational band and backbending phenomenon in $^{48}$Cr. A sudden alignment of all particles is seen above the backbend. The nearest-neighbour spacing distribution in $^{46}$V is presented and compared with the predictions of random-matrix theory. Significant deviation from the single Gaussian-orthogonal-ensemble distribution is obtained, indicating that the isospin-symmetry breaking is not so strong in the nucleus.
dc.description6 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/nucl-th/0701036
dc.identifierhttp://arxiv.org/abs/nucl-th/0701036
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/121971
dc.subjectNuclear Theory
dc.titleModern shell-model diagonalizations with realistic NN forces
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