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题名: Fluctuations and correlations of conserved charges near the QCD critical point
作者: Fu, Wei-jie ;  Wu, Yue-liang
刊名: PHYSICAL REVIEW D
出版日期: 2010
卷号: 82, 期号:7, 页码:-
关键词: QUARK-GLUON PLASMA ;  CHIRAL-SYMMETRY RESTORATION ;  FINITE-DENSITY ;  POLYAKOV LOOP ;  TEMPERATURE ;  COLLABORATION ;  PERSPECTIVE ;  CONDENSATE ;  COLLISIONS ;  MATTER
学科分类: Physics
通讯作者: Fu, WJ , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
部门归属: [Fu, WJ; Wu, YL] Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We study the fluctuations and correlations of conserved charges, such as the baryon number, the electric charge and the strangeness, at the finite temperature and the nonzero baryon chemical potential in an effective model. The fluctuations are calculated up to the fourth-order and the correlations to the third-order. We find that the second-order fluctuations and correlations have a peak or valley structure when the chiral phase transition takes place with the increase of the baryon chemical potential; the third-order fluctuations and correlations change their signs during the chiral phase transition; and the fourth-order fluctuations have two maxima and one minimum. We also depict contour plots of various fluctuations and correlations of conserved charges in the plane of temperature and the baryon chemical potential. It is found that higher-order fluctuations and correlations of conserved charges are superior to the second-order ones to be used to search for the critical point in heavy ion collision experiments.
资助者: China Postdoctoral Science Foundation[20090460534]; National Science Foundation of China (NSFC)[10821504]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000283051700004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5027
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Fu, Wei-jie,Wu, Yue-liang. Fluctuations and correlations of conserved charges near the QCD critical point[J]. PHYSICAL REVIEW D,2010,82(7):-.
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