Reconsideration of the 2-flavor NJL model with dimensional regularization at finite temperature and density

Details Reconsideration of the 2-flavor NJL model with dimensional regularization at finite temperature and density Reconsideration of the 2-flavor NJL model with dimensional regularization at finite temperature and density

2008-06-08

arxiv.org/abs/0806.1331v1

Prog.Theor.Phys.Suppl.174:72-75,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, poster presented at YITP International Symposium: Fundamental Problems in Hot and/or Dense QCD, Kyoto, Jap

Scientific paper

10.1143/PTPS.174.72

We study the 2-flavor Nambu--Jona-Lasinio (NJL) model at finite temperature, $T$, and chemical potential, $\mu$, in the dimensional regularization. The pion and sigma meson masses are calculated at finite $T$ and $\mu$. The color superconductivity is also discussed in the extended NJL model. We obtain the phase structure of the chiral and color symmetry in the dimensional regularization and compare the results with ones obtained in the cut-off regularization.

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