Phase diagram and bulk thermodynamical quantities in the Nambu - Jona-Lasinio model at finite temperature and density

T. M. Schwarz, S. P. Klevansky, G. Papp

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152 Citations (Scopus)

Abstract

We reexamine the recent instanton motivated studies of Alford, Rajagopal, and Wilczek, and Berges and Rajagopal in the framework of the standard SU(2) Nambu - Jona-Lasinio (NJL) model. The chiral phase diagram is calculated in the temperature-density plane, and the pressure is evaluated as the function of the quark density. Obtaining simple approximate relations describing the T-μ and T-pF phase transition lines, we find that the results of the instanton based model and that of the NJL model are identical. The diquark transition line is also given.

Original languageEnglish
Pages (from-to)552051-552056
Number of pages6
JournalPhysical Review C - Nuclear Physics
Volume60
Issue number5
Publication statusPublished - Nov 1999

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phase diagrams
instantons
temperature
quarks

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

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Phase diagram and bulk thermodynamical quantities in the Nambu - Jona-Lasinio model at finite temperature and density. / Schwarz, T. M.; Klevansky, S. P.; Papp, G.

In: Physical Review C - Nuclear Physics, Vol. 60, No. 5, 11.1999, p. 552051-552056.

Research output: Contribution to journalArticle

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