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arXiv 1802.07718hep-lat
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High statistics lattice study of stress tensor correlators in pure $SU(3)$ gauge theory

Szabolcs Borsanyi, Attila Pasztor, Zoltan Fodor, Matteo Giordano, Sandor D. Katz, Attila Pasztor, Claudia Ratti, Andreas Schaefer, Kalman K. Szabo, Balint C. Toth

英文摘要:

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 $N_τ=10,12,16,20$ 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 obtain $η/s=0.17(2)$.

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