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Li, BL; Cui, ZF; Zhou, BW; An, S2; Zhang, LP; Zong, HS
Finite volume effects on the chiral phase transition from Dyson-Schwinger equations of QCD
Source PublicationNUCLEAR PHYSICS B
Language英语
KeywordDIAGRAM
AbstractWithin the framework of Dyson-Schwinger equations of QCD, we study the finite volume effects on the chiral phase transition, especially the influence on the position of the possible pseudo-critical end point (pCEP). The results show that in the chiral limit case (the current quark mass m = 0), the absolute value of quark condensate decreases for smaller volumes, and more interestingly, so does the pseudo-critical temperature T-c (mu, = 0), which is in agreement with the Polyakov Nambu-Jona-Lasinio model result and opposite to the Polyakov linear sigma model prediction. These conclusions hold for m > 0 case in our calculations. Moreover, the results of pCEP as a function of different volumes show that T of pCEP also decreases for smaller volumes, but mu, of pCEP will increase, which are qualitatively more close to Polyakov linear sigma model results. For our model setup, results for systems with a size larger than (5 fm)(3) closely approximate those from infinite volume, but if the volume is smaller, the corrections are non-negligible, even significantly affect signatures of the results from an infinite system. There also exists some possibility that, if the system size is too small, the whole phase transition would be crossover, which means no pCEP exists at all. It is no doubt that, finite volume effects deserve further researches. (C) 2018 The Author(s). Published by Elsevier B.V.
2019
ISSN0550-3213
Volume938Pages:298-306
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1016/j.nuclphysb.2018.11.015
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23522
CollectionSCI期刊论文
Affiliation1.[Li, Bo-Lin
2.Zhou, Bo-Wen
3.Nanjing Univ, Coll Engn & Appl Sci, Nanjing 210093, Jiangsu, Peoples R China
4.[Cui, Zhu-Fang
5.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
6.Cui, Zhu-Fang
7.An, Sun
8.Zhang, Li-Ping
9.Nanjing Proton Source Res & Design Ctr, Nanjing 210093, Jiangsu, Peoples R China
10.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
11.Changan Univ, Key Lab Rd Construct & Equipment MOE, Xian 710064, Shanxi, Peoples R China
12.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Li, BL,Cui, ZF,Zhou, BW,et al. Finite volume effects on the chiral phase transition from Dyson-Schwinger equations of QCD[J]. NUCLEAR PHYSICS B,2019,938:298-306.
APA Li, BL,Cui, ZF,Zhou, BW,An, S,Zhang, LP,&Zong, HS.(2019).Finite volume effects on the chiral phase transition from Dyson-Schwinger equations of QCD.NUCLEAR PHYSICS B,938,298-306.
MLA Li, BL,et al."Finite volume effects on the chiral phase transition from Dyson-Schwinger equations of QCD".NUCLEAR PHYSICS B 938(2019):298-306.
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