Chiral symmetry restoration in strange hadronic matter

Details Chiral symmetry restoration in strange hadronic matter Chiral symmetry restoration in strange hadronic matter

2003-11-20

arxiv.org/abs/nucl-th/0311074v2

Phys.Rev. C70 (2004) 015202

Physics

Nuclear Physics

Nuclear Theory

18 pages, 4 figures

Scientific paper

10.1103/PhysRevC.70.015202

The phase transition of chiral symmetry restoration in strange hadronic matter is studied in the chiral SU(3) quark mean field model. When the baryon density is larger than a critical density $\rho_c$, the minimal energy density of the system occurs at the point where the effective masses of nucleon, $\Lambda$ or $\Xi$ drop to zero. The physical quantities change discontinuously at this density and the system will be in the phase of chiral symmetry restoration. A rich phase structure of strange hadronic matter with different strangeness fraction $f_s$ is obtained.

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