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题名: Discussion of Various Susceptibilities within Thermal and Dense Quantum Chromodynamics
作者: Xu Shu-Sheng1, 5; Shi Yuan-Mei1, 2; Yang You-Chang1, 3; Cui Zhu-Fang1, 5; Zong Hong-Shi1, 4, 5
刊名: CHINESE PHYSICS LETTERS
出版日期: 2015-12-01
卷号: 32, 期号:12
DOI: 10.1088/0256-307X/32/12/121203
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.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
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 ; 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) ; 11475085 ; 11535005 ; 11265017)
语种: 英语
WOS记录号: WOS:000366615500007
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16081
Appears in Collections:空间目标与碎片观测研究基地_期刊论文

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作者单位: 1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Xiaozhuang Univ, Dept Phys & Elect Engn, Nanjing 211171, Jiangsu, Peoples R China
3.Zunyi Normal Coll, Sch Phys & Mech Elect Engn, Zunyi 563002, Peoples R China
4.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
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