Random-phase approximation based on relativistic point-coupling models

Nikšić, Tamara and Vretenar, Dario and Ring, Peter (2005) Random-phase approximation based on relativistic point-coupling models. Physical Review C, 72 (1). pp. 14312-10. ISSN 0556-2813

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The matrix equations of the random-phase approximation (RPA) are derived for the point-coupling Lagrangian of the relativistic mean-field (RMF) model. Fully consistent RMF plus (quasiparticle) RPA illustrative calculations of the isoscalar monopole, isovector dipole, and isoscalar quadrupole response of spherical medium-heavy and heavy nuclei test the phenomenological effective interactions of the point-coupling RMF model. A comparison with experiment shows that the best point-coupling effective interactions accurately reproduce not only ground-state properties but also data on excitation energies of giant resonances.

Item Type: Article
Date: July 2005
Subjects: NATURAL SCIENCES > Physics > Nuclear Physics
Additional Information: Copyright (2005) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 0119250
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 24 May 2014 18:55
Last Modified: 24 May 2014 18:55
URI: http://digre.pmf.unizg.hr/id/eprint/1691

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