QCD phase transitions from relativistic hadron models

Details QCD phase transitions from relativistic hadron models QCD phase transitions from relativistic hadron models

1996-03-25

arxiv.org/abs/hep-ph/9603403v1

Z.Phys. C71 (1996) 507-514

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages latex file, 1 table, 12 Postscript figures. To appear in Zeit. f. Phys. C

Scientific paper

10.1007/BF02907011

The models of translationally invariant infinite nuclear matter in the relativistic mean field models are very interesting and simple, since the nucleon can connect only to a constant vector and scalar meson field. Can one connect these to the complicated phase transitions of QCD ? For an affirmative answer to this question, one must consider models where the coupling constants to the scalar and vector fields must depend on density in a non-linear way, since as such the models are not explicitly chirally invariant. Once this is ensured, indeed one can derive a quark condensate indirectly from the energy density of nuclear matter which goes to zero at large density and temperature. The change to zero condensate indicates a smooth phase transition.

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