Reference : Phase transition and thermodynamics of a hot and dense system in a scaled NJL model
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/23464
Phase transition and thermodynamics of a hot and dense system in a scaled NJL model
English
Cugnon, Joseph mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Interactions fondamentales en physique et astrophysique >]
Jaminon, Martine mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO) >]
Van den Bossche, Bruno [ > > ]
1996
Nuclear Physics A
Elsevier Science
598
515-538
Yes (verified by ORBi)
International
0375-9474
Amsterdam
The Netherlands
[en] phase transition ; effective chiral lagrangians ; hot and dense matter
[en] he chiral phase transition of a hot and dense system of quarks is studied within a modified SU(3) NJL Lagrangian that implements the QCD scale anomaly. The u- and s-quark condensates can or can not feel the same chiral restoration depending on the considered region of the three-dimensional space (Tc, muuc, musc). The temperature behaviour of the pressure and the energy and entropy densities of the u- and s-quark system is investigated. At high temperature, the non-vanishing bare s-quark mass only modifies slightly the usual behaviour associated with an ideal quark gas.
Researchers
http://hdl.handle.net/2268/23464
10.1016/0375-9474(95)00501-3

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