Polyakov loop extended Nambu-Jona-Lasinio model with imaginary chemical potential

Yuji Sakai, Kouji Kashiwa, Hiroaki Kouno, Masanobu Yahiro

研究成果: ジャーナルへの寄稿学術誌査読

105 被引用数 (Scopus)

抄録

The Polyakov loop extended Nambu-Jona-Lasinio (PNJL) model with imaginary chemical potential is studied. The model possesses the extended Z3 symmetry that QCD does. Quantities invariant under the extended Z3 symmetry, such as the partition function, the chiral condensate, and the modified Polyakov loop, have Roberge-Weiss periodicity. The phase diagram of confinement/deconfinement transition derived with the PNJL model is consistent with the Roberge-Weiss prediction on it and the results of lattice QCD. The phase diagram of chiral transition is also presented by the PNJL model.

本文言語英語
論文番号051901
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
77
5
DOI
出版ステータス出版済み - 3月 7 2008

!!!All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(その他)

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