Quark Condensates in Nuclear Matter in the Global Color Symmetry Model of QCD

Details Quark Condensates in Nuclear Matter in the Global Color Symmetry Model of QCD Quark Condensates in Nuclear Matter in the Global Color Symmetry Model of QCD

2003-10-02

arxiv.org/abs/nucl-th/0310006v1

Phys.Rev. C68 (2003) 035204

Physics

Nuclear Physics

Nuclear Theory

15 pages, 3 figures

Scientific paper

10.1103/PhysRevC.68.035204

With the global color symmetry model being extended to finite chemical potential, we study the density dependence of the local and nonlocal scalar quark condensates in nuclear matter. The calculated results indicate that the quark condensates increase smoothly with the increasing of nuclear matter density before the critical value (about 12$\rho_0$) is reached. It also manifests that the chiral symmetry is restored suddenly as the density of nuclear matter reaches its critical value. Meanwhile, the nonlocal quark condensate in nuclear matter changes nonmonotonously against the space-time distance among the quarks.

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