付伟杰

个人信息Personal Information

教授

博士生导师

硕士生导师

性别:男

毕业院校:北京大学

学位:博士

所在单位:物理学院

学科:理论物理. 粒子物理与原子核物理

办公地点:物理楼430

联系方式:13478905891

电子邮箱:wjfu@dlut.edu.cn

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2+1 flavor Polyakov-Nambu-Jona-Lasinio model at finite temperature and nonzero chemical potential

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论文类型:期刊论文

发表时间:2008-01-08

发表刊物:Phys.Rev. D

学科门类:理学

一级学科:物理学

卷号:77

页面范围:014006

摘要:We extend the Polyakov-loop improved Nambu–Jona-Lasinio model to 2+1 flavor case to study the chiral and deconfinement transitions of strongly interacting matter at finite temperature and nonzero chemical potential. The Polyakov loop, the chiral susceptibility of light quarks (u and d), and the strange quark number susceptibility as functions of temperature at zero chemical potential are determined and compared with the recent results of lattice QCD simulations. We find that there is always an inflection point in the curve of strange quark number susceptibility accompanying the appearance of

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