The QCD critical end point in the SU(3) Nambu-Jona-Lasinio model

被引：36

作者：

Costa, P. ^{[1
]}

de Sousa, C. A.

Ruivo, M. C.

Kalinovsky, Yu. L.

机构：

[1] Univ Coimbra, Dept Fis, P-3004516 Coimbra, Portugal

[2] Univ Liege, Dept Phys B5, B-4000 Liege 1, Belgium

[3] Joint Inst Nucl Res, Informat Technol Lab, Dubna, Russia

来源：

PHYSICS LETTERS B | 2007年 / 647卷 / 5-6期

关键词：

NJL model; phase transition; chiral symmetry; finite temperature; chemical potential;

D O I：

10.1016/j.physletb.2007.02.045

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the chiral phase transition at finite temperature T and baryonic chemical potential mu(B) within the framework of the SU(3) Nambu-Jona-Lasinio (NJL) model. The QCD critical end point (CEP) and the critical line at finite T and mu(B) are investigated: the study of physical quantities, such as the baryon number susceptibility and the specific heat in the vicinity the CEP, will provide relevant information concerning the order of the phase transition. The class of the CEP is determined by calculating the critical exponents of those quantities. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：431 / 435

页数：5

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