Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2010-02-23
Phys.Rev.C81:064307,2010
Physics
Nuclear Physics
Nuclear Theory
Scientific paper
10.1103/PhysRevC.81.064307
We present a calculation of the properties of vibrational states in deformed, axially--symmetric even--even nuclei, within the framework of a fully self--consistent Quasparticle Random Phase Approximation (QRPA). The same Skyrme energy density and density-dependent pairing functionals are used to calculate the mean field and the residual interaction in the particle-hole and particle-particle channels. We have tested our software in the case of spherical nuclei against fully self consistent calculations published in the literature, finding excellent agreement. We investigate the consequences of neglecting the spin-orbit and Coulomb residual interactions in QRPA. Furthermore we discuss the improvement obtained in the QRPA result associated with the removal of spurious modes. Isoscalar and isovector responses in the deformed ${}^{24-26}$Mg, $^{34}$Mg isotopes are presented and compared to experimental findings.
Broglia Ricardo A.
Dossing T.
Losa Cristina
Pastore Annalisa
Vigezzi Enrico
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