Dual quark condensate in the Polyakov-Loop extended Nambu-Jona-Lasinio model

Kouji Kashiwa, Hiroaki Kouno, Masanobu Yahiro

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

The dual quark condensate Σ(n) proposed recently as a new order parameter of the spontaneous breaking of the Z3 symmetry are evaluated by the Polyakov-loop extended Nambu-Jona-Lasinio (PNJL) model, where n are winding numbers. The Polyakov-loop extended Nambu-Jona-Lasinio model well reproduces lattice QCD data on Σ(1) measured very lately. The dual quark condensate Σ(n) at higher temperatures is sensitive to the strength of the vector-type four-quark interaction in the Polyakov-loop extended Nambu-Jona-Lasinio model and hence a good quantity to determine the strength.

Original languageEnglish
Article number117901
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume80
Issue number11
DOIs
Publication statusPublished - Dec 8 2009

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condensates
quarks
quantum chromodynamics
symmetry
interactions

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Dual quark condensate in the Polyakov-Loop extended Nambu-Jona-Lasinio model. / Kashiwa, Kouji; Kouno, Hiroaki; Yahiro, Masanobu.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 80, No. 11, 117901, 08.12.2009.

Research output: Contribution to journalArticle

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