Entanglement between deconfinement transition and chiral symmetry restoration

Journal Article · Fri Oct 01 00:00:00 EDT 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.82.076003· OSTI ID:21432331

Sakai, Yuji; Sasaki, Takahiro; Yahiro, Masanobu ^[1]; Kouno, Hiroaki ^[2]

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1. Department of Physics, Graduate School of Sciences, Kyushu University, Fukuoka 812-8581 (Japan)
2. Department of Physics, Saga University, Saga 840-8502 (Japan)

We extend the Polyakov-loop extended Nambu-Jona-Lasinio model by introducing an effective four-quark vertex depending on the Polyakov loop. The effective vertex generates entanglement interactions between the Polyakov loop and the chiral condensate. The new model is consistent with lattice QCD data at imaginary quark-number chemical potential and real and imaginary isospin chemical potentials, particularly on the strong correlation between the chiral and deconfinement transitions and also on the quark-mass dependence of the order of the Roberge-Weiss endpoint. We investigate the influence of the entanglement interactions on the location of the tricritical point at real isospin chemical potential and on the location of the critical endpoint at real quark-number chemical potential.

• OSTI ID: 21432331
• Journal Information: Physical Review. D, Particles Fields, Vol. 82, Issue 7; Other Information: DOI: 10.1103/PhysRevD.82.076003; (c) 2010 American Institute of Physics; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHIRAL SYMMETRY
CHIRALITY
CONDENSATES
CORRELATIONS
INTERACTIONS
ISOSPIN
LATTICE FIELD THEORY
MASS
QUANTUM CHROMODYNAMICS
QUANTUM ENTANGLEMENT
QUARKS
SIMULATION
CONSTRUCTIVE FIELD THEORY
FERMIONS
FIELD THEORIES
PARTICLE PROPERTIES
QUANTUM FIELD THEORY
SYMMETRY