Chiral symmetry and quantum hadro-dynamics

Details Chiral symmetry and quantum hadro-dynamics Chiral symmetry and quantum hadro-dynamics

2000-12-05

arxiv.org/abs/nucl-th/0012013v1

Phys.Rev. C63 (2001) 055202

Physics

Nuclear Physics

Nuclear Theory

24 pages, 2 figures

Scientific paper

10.1103/PhysRevC.63.055202

Using the linear sigma model, we study the evolutions of the quark condensate and of the nucleon mass in the nuclear medium. Our formulation of the model allows the inclusion of both pion and scalar-isoscalar degrees of freedom. It guarantees that the low energy theorems and the constrains of chiral perturbation theory are respected. We show how this formalism incorporates quantum hadro-dynamics improved by the pion loops effects.

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