Pion Effect of Nuclear Matter in a Chiral Sigma Model
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摘要: We develop a new framework for the study of the nuclear matter based on the linear sigma model. We introduce a completely
new viewpoint on the treatment of the nuclear matter with the inclusion of the pion. We extend the relativistic chiral mean field
model by using the similar method in the tensor optimized shell model. We also regulate the pionnucleon interaction by considering
the formfactor and short range repulsion effects. We obtain the equation of state of nuclear matter and study the importance
of the pion effect.Abstract: We develop a new framework for the study of the nuclear matter based on the linear sigma model. We introduce a completely
new viewpoint on the treatment of the nuclear matter with the inclusion of the pion. We extend the relativistic chiral mean field
model by using the similar method in the tensor optimized shell model. We also regulate the pionnucleon interaction by considering
the formfactor and short range repulsion effects. We obtain the equation of state of nuclear matter and study the importance
of the pion effect.-
Key words:
- extended relativistic mean field model /
- chiral symmetry /
- pion exchange
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