A chiral symmetric relativistic mean field model with logarithmic sigma potential

Details A chiral symmetric relativistic mean field model with logarithmic sigma potential A chiral symmetric relativistic mean field model with logarithmic sigma potential

2006-07-21

arxiv.org/abs/nucl-th/0607046v1

Prog.Theor.Phys.117:903-921,2007

Physics

Nuclear Physics

Nuclear Theory

19 pages, 6 figures

Scientific paper

10.1143/PTP.117.903

We develop a chiral symmetric relativistic mean field model with logarithmic sigma potential derived in the strong coupling limit of the lattice QCD. We find that both of the nuclear matter and finite nuclei are well described in the present model. The normal vacuum is found to have global stability at zero and finite baryon densities, and an equation of state with moderate stiffness (K ~ 280 MeV) is obtained. The binding energies and charge radii of Z closed even-even nuclei are well reproduced in a wide mass range from C to Pb isotopes, except for the underestimates of binding energies in several jj closed nuclei.

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