Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/47678
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): Navratil, P;Kamuntavičius, Gintautas Pranciškus;Barrett, B.R
Title: Few-nucleon systems in a translationally invariant harmonic oscillator basis
Is part of: Physical review C (Nuclear physics) Woodbury : The American Institute of Physics, Vol. 61, iss. 4 (2000)
Extent: p. 1-16
Date: 2000
Abstract: We present a translationally invariant formulation of the no-core shell model approach for few-nucleon systems. We discuss a general method of antisymmetrization of the harmonic-oscillator (HO) basis depending on Jacobi coordinates. The use of a translationally invariant basis allows us to employ larger model spaces than in traditional shell-model calculations. Moreover, in addition to two-body effective interactions, three- or higher-body effective interactions as well as real three-body interactions can be utilized. In the present study we apply the formalism to solve three and four nucleon systems interacting by the CD-Bonn nucleon-nucleon (NN) potential in model spaces that include up to 34 h Omega and 16 h Omega HO excitations, respectively. Results of ground-state as well as excited-state energies, rms radii, and magnetic moments are discussed. In addition, we compare charge form factor results obtained using the CD-Bonn and Argonne V8' NN potentials
Internet: http://prc.aps.org/pdf/PRC/v61/i4/e044001
Affiliation(s): Gamtos mokslų fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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