Deconfinement and chiral restoration in non-local PNJL models at zero and imaginary chemical potential

被引：28
|
作者：
Pagura, V. [1 ,2 ]
Gomez Dumm, D. [1 ,3 ]
Scoccola, N. N. [1 ,2 ,4 ]
机构：
[1] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina
[2] Comis Nacl Energia Atom, Dept Phys, RA-1429 Buenos Aires, DF, Argentina
[3] Univ Nacl La Plata, CONICET, Dpto Fis, IFLP, RA-1900 La Plata, Argentina
[4] Univ Favaloro, RA-1078 Buenos Aires, DF, Argentina
来源：
PHYSICS LETTERS B | 2012年 / 707卷 / 01期
关键词：
PHASE-TRANSITION; TEMPERATURE; SYMMETRY;
D O I：
10.1016/j.physletb.2011.11.064
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the deconfinement and chiral restoration transitions in the context of non-local PNJL models, considering the impact of the presence of dynamical quarks on the scale parameter appearing in the Polyakov potential. We show that the corresponding critical temperatures are naturally entangled for both zero and imaginary chemical potential, in good agreement with lattice QCD results. We also analyze the Roberge Weiss transition, which is found to be first order at the associated endpoint. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：76 / 82
页数：7
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