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Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential
Pan, Zan1,2; Cui, Zhu-Fang3; Chang, Chao-Hsi1,3,4; Zong, Hong-Shi1,3,5
2017-05-10
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
ISSN0217-751X
Volume32Issue:13Pages:15
Corresponding AuthorPan, Zan(panzan@itp.ac.cn)
AbstractTo investigate the finite-volume effects on the chiral symmetry restoration and the deconfinement transition for a quantum chromodynamics (QCD) system with N-f = 2 (two quark flavors), we apply the Polyakov-loop extended Nambu Jona-Lasinio model by introducing a chiral chemical potential mu(5) artificially. The final numerical results indicate that the introduced chiral chemical potential does not change the critical exponents, but shifts the location of critical end point (CEP) significantly; the ratios for the chiral chemical potentials and temperatures at CEP, mu(c)/mu(5c) and T-c/T-5c, are significantly affected by the system size R. The behavior is that TT increases slowly with mu(5) when R is "large" and T-c decreases first and then increases with mu(5) when R is "small." It is also found that for a fixed mu(5), there is a R-min, where the critical end point vanishes and the whole phase diagram becomes a crossover when R < R-min. Therefore, we suggest that for the heavy-ion collision experiments, which is to study the possible location of CEP, the finite-volume behavior should be taken into account.
KeywordPNJL model QCD phase transitions critical exponents finite-volume effects
DOI10.1142/S0217751X17500671
WOS KeywordPB COLLISIONS ; SIZE ; QCD
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000400945900005
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23085
Collection中国科学院紫金山天文台
Corresponding AuthorPan, Zan
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
4.CCAST, World Lab, POB 8730, Beijing 100190, Peoples R China
5.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Pan, Zan,Cui, Zhu-Fang,Chang, Chao-Hsi,et al. Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2017,32(13):15.
APA Pan, Zan,Cui, Zhu-Fang,Chang, Chao-Hsi,&Zong, Hong-Shi.(2017).Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,32(13),15.
MLA Pan, Zan,et al."Finite-volume effects on phase transition in the Polyakov-loop extended Nambu-Jona-Lasinio model with a chiral chemical potential".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 32.13(2017):15.
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