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arXiv 0810.4178hep-lat
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有限温度下的色单态和伴随自由能

Color singlet and adjoint free energy at finite temperature

Alexei Bazavov, Peter Petreczky, Alexander Velytsky

摘要:

研究了有限温度下SU(2)规范理论中静态夸克-反夸克对的关联函数。通过测量Polyakov回路的放大器和时间威尔逊圈与APE涂抹的空间链接,我们能够给出一致的定义的单线态和伴随的自由能在短距离,这些自由能的概念是有意义的。APE涂抹程序允许实现在单重态通道中的高度重叠,并从颜色平均和单重态自由能重建伴随部分。

英文摘要:

We study correlation functions of static quark-antiquark pairs in SU(2) gauge theory at finite temperature. By measuring Polyakov loop correlators and temporal Wilson loops with APE smearing of spatial links we are able to give consistent definitions of the singlet and adjoint free energies at short distances, where the notion of these free energies is meaningful. APE smearing procedure allows to achieve a high degree of overlap in the singlet channel and to reconstruct the adjoint part from the color averaged and singlet free energy.

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