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NSR database version of May 21, 2024.

Search: Author = O.Legeza

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2022KR03      Phys.Rev. C 106, 024303 (2022)

A.T.Kruppa, J.Kovacs, P.Salamon, O.Legeza, G.Zarand

Entanglement and seniority

NUCLEAR STRUCTURE 42,44,46Ca; calculated squared overlap of the configuration interaction (CI) and seniority (SEN) model wave functions as a function of total angular momentum, total correlations and one-body entanglement entropies as a function of total angular momentum for the ground and yrast states. 42,43Ca, 94Ru; calculated mode entropies in the ground and yrast states; analyzed entanglement structure of the open shells of certain semimagic nuclei, and compared with predictions of a single-j shell SEN model. Numerical shell model calculations using an inert core using realistic effective interactions from the G-matrix formalism, and with the density matrix renormalization group method.

doi: 10.1103/PhysRevC.106.024303
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2015LE16      Phys.Rev. C 92, 051303 (2015)

O.Legeza, L.Veis, A.Poves, J.Dukelsky

Advanced density matrix renormalization group method for nuclear structure calculations

NUCLEAR STRUCTURE 56Ni, 64Ge; calculated ground-state energies, single-site entropy in 64Ge, energy gaps between 0+ and 2+ states in 64Ge in pf and pf+g9/2 valence spaces. Density Matrix Renormalization Group (DMRG) method. Benchmarked with reference data obtained from Monte Carlo shell model.

doi: 10.1103/PhysRevC.92.051303
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