High statistics lattice study of stress tensor correlators in pure SU(3) gauge theory

被引：22
|
作者：
Borsanyi, Sz. [1 ]
Fodor, Z. [1 ,2 ,3 ]
Giordano, M. [3 ]
Katz, S. D. [3 ]
Pasztor, A. [1 ]
Ratti, C. [4 ]
Schaefer, A. [5 ]
Szabo, K. K. [1 ,2 ]
Toth, B. C. [1 ]
机构：
[1] Univ Wuppertal, Dept Phys, D-42097 Wuppertal, Germany
[2] Julich Supercomp Ctr, D-52425 Julich, Germany
[3] Eotvos Lorand Univ, H-1117 Budapest, Hungary
[4] Univ Houston, Dept Phys, Houston, TX 77204 USA
[5] Univ Regensburg, D-93053 Regensburg, Germany
来源：
PHYSICAL REVIEW D | 2018年 / 98卷 / 01期
基金：
美国国家科学基金会;
关键词：
FLOW;
D O I：
10.1103/PhysRevD.98.014512
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the Euclidean correlators of the stress tensor in pure SU(3) Yang-Mills theory at finite temperature at zero and finite spatial momenta with lattice simulations. We perform continuum extrapolations using N-tau = 10, 12, 16, 20 lattices with renormalized anisotropy 2. We use these correlators to estimate the shear viscosity of the gluon plasma in the deconfined phase. For T = 1.5T(c), we estimate eta/s = 0.17(2) using an ansatz motivated by hydrodynamics.
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页数：12
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