Transport Theory from the Nambu-Jona-Lasinio Lagrangian

15th International Conference on Strangeness in Quark Matter

Marty, R.^1,2,3 ; Torres-Rincon, J.M.^1 ; Bratkovskaya, E.^2,3 ; Aichelin, J.^1

SUBATECH, Laboratoire de Physique Subatomique et des Technologies Associdées, Universityé de Nantes, IN2P3/CNRS, Ecole des Mines de Nantes, 4 rue Alfred Kastler, Nantes, Cedex 03

F-44072, France^1

Institute for Theoretical Physics, JWG Universität, Frankfurt/M, Germany^2

Frankfurt Institute for Advanced Studies, JWG Universität, Frankfurt/M, Germany^3

关键词: Antiquarks;    First order;    Heavy-ion reactions;    Nambu-Jona-Lasinio Lagrangian;    New parameters;    Transport theory;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/668/1/012001/pdf
DOI  :  10.1088/1742-6596/668/1/012001

来源: IOP

【 摘 要 】

Starting from the (Polyakov-) Nambu-Jona-Lasinio Lagrangian, (P)NJL, we formulate a transport theory which allows for describing the expansion of a quark-antiquark plasma and the subsequent transition to the hadronic world - without adding any new parameter to the standard (P)NJL approach, whose parameters are fixed to vacuum physics. This transport theory can be used to describe ultrarelativistic heavy-ion reaction data as well as to study the (first-order) phase transition during the expansion of the plasma. (P)NJL predicts such a phase transition for finite chemical potentials. In this contribution we give an outline of the necessary steps to obtain such a transport theory and present first results.