Phase diagram of chiral and diquark condensates at finite temperature and density in the 2-dimensional Gross Neveu model

Details Phase diagram of chiral and diquark condensates at finite temperature and density in the 2-dimensional Gross Neveu model Phase diagram of chiral and diquark condensates at finite temperature and density in the 2-dimensional Gross Neveu model

2008-04-30

arxiv.org/abs/0805.0003v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 3 figures

Scientific paper

We construct the phase diagram of the chiral and diquark condensates at finite temperature and density in the 1+1 dimensional (2D) two flavor massless Gross Neveu model. The resultant phase diagram shows (I) the chiral condensed phase at low temperature and density, (II) the diquark condensed phase at low temperature and high density, and (III) the chiral and diquark coexisting phase at low temperature and intermediate density. This phase structure is also seen in the 3D Gross Neveu model and the 4D Nambu Jona-Lasinio (NJL) model. Thus the phase diagrams of the chiral and diquark condensates in the NJL-type models do not change qualitatively in 2D, 3D and 4D.

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