Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2008-12-16
Phys.Rev.C79:044323,2009
Physics
Nuclear Physics
Nuclear Theory
14 pages, 6 figures, added more discussion
Scientific paper
10.1103/PhysRevC.79.044323
Using a density functional approach based on a Skyrme interaction, thermodynamic properties of finite nuclei are investigated at non-zero temperture. The role of a momentum dependent isovector term is now studied besides volume, symmetry, surface and Coulomb effects. Various features associated with both mechanical and chemical instability and the liquid-gas coexistence curve are sensitive to the Skyrme interaction. The separated effects of the isoscalar term and the isovector term of momentum dependent interaction are studied for a modified SKM($m^*=m$) interaction. The frequently used Skyrme interaction SLy4 is one of the cases considered and is shown to have better features for neutron star studies due to a larger symmetry energy.
Lee Joon Sue
Mekjian Aram Z.
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