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Title: Dressed Polyakov loop and flavor dependent phase transitions

Abstract

The chiral condensate and dressed Polyakov loop at finite temperature and density have been investigated in the framework of the N{sub f}=2+1 Nambu-Jona-Lasinio (NJL) model with two degenerate u, d quarks and one strange quark. In the case of explicit chiral symmetry breaking with physical quark masses, it is found that the phase transitions for light u, d, and s quark are sequentially happened, and the separation between the transition lines for different flavors becomes wider and wider with the increase of baryon density. For each flavor, the pseudocritical temperatures for chiral condensate and dressed Polyakov loop differ in a narrow transition range in the lower baryon density region, and the two transitions coincide in the higher baryon density region.

Authors:
 [1];  [1];  [2]; ;  [1];  [2]
  1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing (China)
  2. (China)
Publication Date:
OSTI Identifier:
21607767
Resource Type:
Journal Article
Journal Name:
Physical Review. D, Particles Fields
Additional Journal Information:
Journal Volume: 84; Journal Issue: 7; Other Information: DOI: 10.1103/PhysRevD.84.074009; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0556-2821
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BARYONS; CHIRAL SYMMETRY; CHIRALITY; CONDENSATES; D QUARKS; FLAVOR MODEL; MASS; PHASE TRANSFORMATIONS; S QUARKS; SYMMETRY BREAKING; U QUARKS; COMPOSITE MODELS; ELEMENTARY PARTICLES; FERMIONS; HADRONS; MATHEMATICAL MODELS; PARTICLE MODELS; PARTICLE PROPERTIES; QUARK MODEL; QUARKS; STRANGE PARTICLES; SYMMETRY

Citation Formats

Xu Fukun, Mao Hong, Department of Physics, Hangzhou Normal University, Hangzhou 310036, Mukherjee, Tamal K., Huang Mei, and Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing. Dressed Polyakov loop and flavor dependent phase transitions. United States: N. p., 2011. Web. doi:10.1103/PHYSREVD.84.074009.
Xu Fukun, Mao Hong, Department of Physics, Hangzhou Normal University, Hangzhou 310036, Mukherjee, Tamal K., Huang Mei, & Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing. Dressed Polyakov loop and flavor dependent phase transitions. United States. doi:10.1103/PHYSREVD.84.074009.
Xu Fukun, Mao Hong, Department of Physics, Hangzhou Normal University, Hangzhou 310036, Mukherjee, Tamal K., Huang Mei, and Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing. Sat . "Dressed Polyakov loop and flavor dependent phase transitions". United States. doi:10.1103/PHYSREVD.84.074009.
@article{osti_21607767,
title = {Dressed Polyakov loop and flavor dependent phase transitions},
author = {Xu Fukun and Mao Hong and Department of Physics, Hangzhou Normal University, Hangzhou 310036 and Mukherjee, Tamal K. and Huang Mei and Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing},
abstractNote = {The chiral condensate and dressed Polyakov loop at finite temperature and density have been investigated in the framework of the N{sub f}=2+1 Nambu-Jona-Lasinio (NJL) model with two degenerate u, d quarks and one strange quark. In the case of explicit chiral symmetry breaking with physical quark masses, it is found that the phase transitions for light u, d, and s quark are sequentially happened, and the separation between the transition lines for different flavors becomes wider and wider with the increase of baryon density. For each flavor, the pseudocritical temperatures for chiral condensate and dressed Polyakov loop differ in a narrow transition range in the lower baryon density region, and the two transitions coincide in the higher baryon density region.},
doi = {10.1103/PHYSREVD.84.074009},
journal = {Physical Review. D, Particles Fields},
issn = {0556-2821},
number = 7,
volume = 84,
place = {United States},
year = {2011},
month = {10}
}