NJL model in Four Dimension at Finite Temperature, Chemical Potentialand Curvature

Details NJL model in Four Dimension at Finite Temperature, Chemical Potentialand Curvature NJL model in Four Dimension at Finite Temperature, Chemical Potentialand Curvature

2000-11-28

arxiv.org/abs/hep-ph/0011342v1

J.Phys.G27:1827,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex2e file with 7 postscript figures, 18 pages

Scientific paper

10.1088/0954-3899/27/8/312

Two flavor Nambu-Jona-Lasinio model with N components is studied in curved space time at finite temperature and density in the leading 1/N expansion. In four space time dimension the model exhibits first order phase transition for positive curvature. Whereas in flat space an increase in temperature induces a second order phase transition even at finite density, in curved space the transition becomes first order. We obtain the phase boundary in density-temperature plane and exhibit its behavior with changing curvature. A three dimensional plot of the phase boundary in $\mu$-T-R space is drawn.

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