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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Fizika / Physics (N002)
Author(s): Mickevičius, Saulius;Germanas, Darius;Kalinauskas, Ramutis Kazys
Title: Method simplifying calculation of coefficients of fractional parentage for translationally invariant shell-model
Is part of: Central European journal of physics. Warsaw : Versita; Springer, 2013, vol. 11, no. 5
Extent: p. 568-574
Date: 2013
Keywords: Mathematical methods;Physics;Algebraic methods;Nuclear shell model
Abstract: A new procedure for large-scale calculations of the coefficients of fractional parentage (CFP) for many-particle systems is presented. The approach is based on a simple enumeration scheme for antisymmetric N particle states, and we suggest an efficient method for constructing the eigenvectors of two-particle transposition operator P_{N_1 ,N} in a subspace where N 1 and N 2 = N -N 1 nucleons basis states are already antisymmetrized. The main result of this paper is that according to permutation operators P_{N_1 ,N} eigenvalues we can distinguish totally asymmetrical N particle states from the other states with lower degree of asymmetry
Affiliation(s): Fizikos institutas
Fizikos katedra
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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