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New approach to large-scale nuclear structure calculations

AuthorsDukelsky, Jorge ; Pittel, S.
Issue Date2-May-2001
PublisherAmerican Physical Society
CitationPhysical Review C - Nuclear Physics 63: 613031-613034 (2001)
AbstractA new approach to large-scale nuclear structure calculations, based on the density matrix renormalization group (DMRG), is described. The method is tested in the context of a problem involving many identical nucleons constrained to move in a single large-j shell and interacting via a pairing plus quadrupole interaction. In cases in which exact diagonalization of the Hamiltonian is possible, the method is able to reproduce the exact results for the ground-state energy and the energies of low-lying excited states with extreme precision. Results are also presented for a model problem in which exact solution is not feasible. ©2001 American Physical Society
Description4 págs.; 1 fig.; 3 tabs. ; Rapid communications ; PACS number(s): 21.60.Cs, 05.10.Cc
Publisher version (URL)https://doi.org/10.1103/PhysRevC.63.061303
Identifiersdoi: 10.1103/PhysRevC.63.061303
issn: 0556-2813
Appears in Collections:(CFMAC-IEM) Artículos
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