Critical endpoint in the Polyakov-loop extended NJL model

Kouji Kashiwa, Hiroaki Kouno, Masayuki Matsuzaki, Masanobu Yahiro

研究成果: Contribution to journalArticle査読

118 被引用数 (Scopus)

抄録

The critical endpoint (CEP) and the phase structure are studied in the Polyakov-loop extended Nambu-Jona-Lasinio model in which the scalar type eight-quark (σ4) interaction and the vector type four-quark interaction are newly added. The σ4 interaction largely shifts the CEP toward higher temperature and lower chemical potential, while the vector type interaction does oppositely. At zero chemical potential, the σ4 interaction moves the pseudo-critical temperature of the chiral phase transition to the vicinity of that of the deconfinement phase transition.

本文言語英語
ページ(範囲)26-32
ページ数7
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
662
1
DOI
出版ステータス出版済み - 4 10 2008

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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