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Paper   IPM / Physic / 7193
School of Physics
  Title:   Calculation of The Properties of Symmetrical Nuclear Matter with Inclusion of ∆-Isobar
  Author(s):  G.H. Bordbar
  Status:   Preprint
  No.:  0
  Year:  2000
  Supported by:  IPM
One of the most interesting application of the many-body methods to the nuclear physics is the calculation of the properties of the nuclear matter, especially its binding energy. In this paper, we have studied the influence of ∆-isobar on the properties of the symmetrical nuclear matter using the lowest order constrained variational (LOCV) method with the V28 potential. It is shown that the inclusion of ∆-isobar substantially affect the saturation properties of the symmetrical nuclear matter. We have shown that, at low (high) densities, the saturation curve of nuclear matter is shifted downward (upward). This is due to the fact that the repulsive effect of the V28 potential increases by increasing density. It is seen that the equation of state of nuclear matter with the V28 potential is much harder than those with the AV14 potential. 

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