Chiral Random Matrix Models : Thermodynamics, Phase Transitions and Universality
Romuald Janik, Maciek Nowak, Ismail Zahed
Abstract
For one flavour, we observe that standard chiral random matrix models are schematic variants of the Nambu-Jona-Lasinio (NJL) models whether in vacuum or matter. The ensuing thermodynamics is that of constituent quarks, with mean-field universality in general. For two and three flavours non-standard chiral random matrix models with UA(1) breaking are suggested. For three flavours the transition is reminiscent of the isotropic-nematic transition in liquid crystals.
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