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Fu, Wei-jie; Wu, Yue-liang; Fu, WJ , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
Fluctuations and correlations of conserved charges near the QCD critical point
发表期刊PHYSICAL REVIEW D
关键词Quark-gluon Plasma Chiral-symmetry Restoration Finite-density Polyakov Loop Temperature Collaboration Perspective Condensate Collisions Matter
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.
2010
ISSN1550-7998
卷号82期号:7页码:-
学科领域Physics
收录类别SCI
项目资助者China Postdoctoral Science Foundation[20090460534]; National Science Foundation of China (NSFC)[10821504] ; China Postdoctoral Science Foundation[20090460534]; National Science Foundation of China (NSFC)[10821504] ; China Postdoctoral Science Foundation[20090460534]; National Science Foundation of China (NSFC)[10821504] ; China Postdoctoral Science Foundation[20090460534]; National Science Foundation of China (NSFC)[10821504]
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被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5027
专题理论物理所科研产出_SCI论文
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
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Fu, Wei-jie,Wu, Yue-liang,Fu, WJ , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China. Fluctuations and correlations of conserved charges near the QCD critical point[J]. PHYSICAL REVIEW D,2010,82(7):-.
APA Fu, Wei-jie,Wu, Yue-liang,&Fu, WJ , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.(2010).Fluctuations and correlations of conserved charges near the QCD critical point.PHYSICAL REVIEW D,82(7),-.
MLA Fu, Wei-jie,et al."Fluctuations and correlations of conserved charges near the QCD critical point".PHYSICAL REVIEW D 82.7(2010):-.
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