Temperature dependence of symmetry energy of finite nuclei

Details Temperature dependence of symmetry energy of finite nuclei Temperature dependence of symmetry energy of finite nuclei

2012-02-06

arxiv.org/abs/1202.1051v1

Physics

Nuclear Physics

Nuclear Theory

9 pages including 8 figures; accepted for publication in Phys. Rev. C

Scientific paper

The temperature dependence of the symmetry energy and the symmetry free energy coefficients of atomic nuclei is investigated in a finite temperature Thomas-Fermi framework employing the subtraction procedure. A substantial decrement in the symmetry energy coefficient is obtained for finite systems,contrary to those seen for infinite nuclear matter at normal and somewhat subnormal densities. The effect of the coupling of the surface phonons to the nucleonic motion is also considered; this is found to decrease the symmetry energies somewhat at low temperatures.

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