Glueballs at finite temperature in SU(3) Yang-Mills theory
CLQCD Collaboration
刊名PHYSICAL REVIEW D
2009
卷号80期号:11
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Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.80.114502
通讯作者Meng, XF (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, 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).
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000273233000063
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/212921
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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CLQCD Collaboration. Glueballs at finite temperature in SU(3) Yang-Mills theory[J]. PHYSICAL REVIEW D,2009,80(11).
APA CLQCD Collaboration.(2009).Glueballs at finite temperature in SU(3) Yang-Mills theory.PHYSICAL REVIEW D,80(11).
MLA CLQCD Collaboration."Glueballs at finite temperature in SU(3) Yang-Mills theory".PHYSICAL REVIEW D 80.11(2009).
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