重夸克动量扩散系数从晶格

Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019) Pub Date : 2019-12-02 DOI:10.22323/1.363.0108

N. Brambilla, V. Leino, P. Petreczky, A. Vairo

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引用次数: 4

摘要

本文报道了在纯SU(3)规范理论中，利用附着在Polyakov环上的两个色电场的晶格相关器计算重夸克动量扩散系数的进展。利用多层算法和树级改进，研究了扩散系数在$1.1 < T/Tc < 10^4$范围内随温度的变化规律。

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Heavy quark momentum diffusion coefficient from the lattice

We report progress towards computing the heavy quark momentum diffusion coefficient from the lattice correlator of two chromoelectric fields attached to a Polyakov loop in pure SU(3) gauge theory. Using a multilevel algorithm and tree-level improvement, we study the behavior of the diffusion coefficient as a function of temperature in the wide range $1.1 < T/Tc < 10^4$.

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Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019)

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