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题名: Discussion of Various Susceptibilities within Thermal and Dense Quantum Chromodynamics
作者: Xu, SS;  Shi, YM;  Yang, YC;  Cui, ZF;  Zong, HS
刊名: CHINESE PHYSICS LETTERS
出版日期: 2015
卷号: 32, 期号:12, 页码:121203
学科分类: Physics
DOI: http://dx.doi.org/10.1088/0256-307X/32/12/121203
通讯作者: Zong, HS (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
文章类型: Article
英文摘要: It is commonly accepted that the system undergoes a crossover at high temperature and low chemical potential beyond the chiral limit case, and the properties of the crossover region are important for researchers to understand the nature of strong interacting matters of quantum chromodynamics (QCD). Since at present there is no exact order of parameters of the phase transitions beyond the chiral limit, QCD susceptibilities are widely used as indicators. In this work various susceptibilities are discussed in the framework of Dyson-Schwinger equations. The results show that different kinds of susceptibilities give the same critical end point, which is the bifurcation point of the crossover region and the first order phase transition line of QCD. Nevertheless, different pseudocritical points are found in the temperature axis. We think that defining a critical band is more suitable in the crossover region.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: QCD SUM-RULES ;  DYSON-SCHWINGER EQUATIONS ;  CHIRAL PHASE-TRANSITION ;  VACUUM SUSCEPTIBILITIES ;  WIGNER SOLUTION ;  VECTOR-MESONS ;  MODEL ;  TEMPERATURE ;  MATTER
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11275097, 11475085, 11535005, 11265017] ;  Jiangsu Planned Projects for Postdoctoral Research Funds [1402006C] ;  China Postdoctoral Science Foundation [2015M571728] ;  Natural Science Foundation of Jiangsu Province [BK20130078] ;  Guizhou-Provincial Outstanding Youth Science and Technology Talent Cultivation Object Special Funds [QKHRZ(2013)28]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20773
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Xu, SS,Shi, YM,Yang, YC,et al. Discussion of Various Susceptibilities within Thermal and Dense Quantum Chromodynamics[J]. CHINESE PHYSICS LETTERS,2015,32(12):121203.
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