EPJ Web Conf.
Volume 126, 20164th International Conference on New Frontiers in Physics
|Number of page(s)
|04 November 2016
Confining potential of Y-string on the lattice at finite T
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000 and State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Beijing 100190, China
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Published online: 4 November 2016
The potential due to a system of three static quark (3Q) is studied using SU(3) lattice QCD at finite temperature with Polyakov loops operators. We focused our analysis on the large distance properties of the 3Q potential and found a good fit behavior to the Y-string model formula. In addition to the linearly confining term proportional to the minimal length of the Y-string, we observed that the subleading logarithmic term, which is proportional to Dedekind η function and accounts for the Y-string’s quantum fluctuations, is necessary to reproduce the quark anti-quark QQ̄ string tension of the corresponding mesonic system at finite temperature.
© The Authors, published by EDP Sciences, 2016
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