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题名: Glueballs at finite temperature in SU(3) Yang-Mills theory
作者: Meng, Xiang-Fei ;  Li, Gang ;  Zhang, Yuan-Jiang ;  Chen, Ying ;  Liu, Chuan ;  Liu, Yu-Bin ;  Ma, Jian-Ping ;  Zhang, Jian-Bo
刊名: PHYSICAL REVIEW D
出版日期: 2009
卷号: 80, 期号:11, 页码:-
关键词: QUARK-GLUON PLASMA ;  LATTICE GAUGE-THEORY ;  PHASE-TRANSITION ;  NUMBER SUSCEPTIBILITY ;  ANISOTROPIC LATTICES ;  HEAVY QUARKONIA ;  ELLIPTIC FLOW ;  QCD ;  CORRELATORS ;  T-GREATER-THAN-0
学科分类: Physics
通讯作者: Meng, XF , Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China, Peoples R China
部门归属: [Meng, XF; Liu, YB] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China; [Meng, XF] Natl Supercomp Ctr, Tianjin 300457, Peoples R China; [Li, G; Zhang, YJ; Chen, Y] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Li, G; Zhang, YJ; Chen, Y] Chinese Acad Sci, Theoret Ctr Sci Facil, Beijing 100049, Peoples R China; [Liu, CA] Peking Univ, Sch Phys, Beijing 100871, Peoples R China; [Ma, JP] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Zhang, JB] Zhejiang Univ, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China
英文摘要: Thermal properties of glueballs in SU(3) Yang-Mills theory are investigated in a large temperature range from 0.3T(c) to 1.9T(c) on anisotropic lattices. The glueball operators are optimized for the projection of the ground states by the variational method with a smearing scheme. Their thermal correlators are calculated in all 20 symmetry channels. It is found in all channels that the pole masses M(G) of glueballs remain almost constant when the temperature is approaching the critical temperature T(c) from below, and start to reduce gradually with the temperature going above T(c). The correlators in the 0(++), 0(-+), and 2(++) channels are also analyzed based on the Breit-Wigner Ansatz by assuming a thermal width Gamma to the pole mass omega(0) of each thermal glueball ground state. While the values of omega(0) are insensitive to T in the whole temperature range, the thermal widths Gamma exhibit distinct behaviors at temperatures below and above T(c). The widths are very small (approximately a few percent of omega(0) or even smaller) when T < T(c), but grow abruptly when T > T(c) and reach values of roughly Gamma similar to omega(0)/2 at T approximate to 1.9T(c).
资助者: NSFC[10347110, 10421003, 10575107, 10675005, 10675101, 10721063, 10835002]; CAS[KJCX3-SYW-N2, KJCX2-YW-N29]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000273233000063
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5203
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Meng, Xiang-Fei,Li, Gang,Zhang, Yuan-Jiang,et al. Glueballs at finite temperature in SU(3) Yang-Mills theory[J]. PHYSICAL REVIEW D,2009,80(11):-.
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