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Paper   IPM / Physic / 7219
School of Physics
  Title:   Isospin Symmetry Breaking Effects on the Properties of Asymmetrical Nuclear Matter and β-Stable Matter
  Author(s):  G.H. Bordbar
  Status:   Published
  Journal: Int. J. Theor. Phys.
  No.:  2
  Vol.:  43
  Year:  2004
  Pages:   399-410
  Supported by:  IPM
We have studied the influences of isospin symmetry breaking of nucleon-nucleon interaction on the various properties of asymmetrical nuclear matter and β-stable matter. For asymmetrical nuclear matter, it is found that at large values of both density and asymmetry parameter, the effects of this symmetry breaking are considerable. However, these effects on the total energy and equation of state of β-stable matter are ignorable. For asymmetrical nuclear matter, the validity of the empirical parabolic law in the isospin symmetry breaking case is shown. It is observed that the isospin symmetry breaking of nucleon-nucleon interaction affects the β-equilibrium conditions in β-stable matter.

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