Frequency and wave number dependence of the shear correlator in strongly coupled hot Yang-Mills theory

Details Frequency and wave number dependence of the shear correlator in strongly coupled hot Yang-Mills theory Frequency and wave number dependence of the shear correlator in strongly coupled hot Yang-Mills theory

2011-04-28

arxiv.org/abs/1104.5352v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 20 figures

Scientific paper

We use AdS/QCD duality to compute the finite temperature Green's function G(omega,k;T) of the shear operator T_12 for all omega,k in hot Yang-Mills theory. The goal is to assess how the existence of scales like the transition temperature and glueball masses affects the correlator computed in the scalefree conformal N=4 supersymmetric Yang-Mills theory. We observe sizeable effects for T close to T_c which rapidly disappear with increasing T. Quantitative agreement of these predictions with future lattice Monte Carlo data would suggest that QCD matter in this temperature range is strongly interacting.

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