(Non)-perturbative properties of high-T QCD from lattice ... - Physics
(Non)-perturbative properties of high-T QCD from lattice ... - Physics
(Non)-perturbative properties of high-T QCD from lattice ... - Physics
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<strong>Non</strong>-<strong>perturbative</strong> Debye screeningµ q -dependence43.532.521.510.50leading order perturbation√theory:m D = g(T)T1 + n f6 + n (f µq2π 2 TTaylor expansion, 2-flavor <strong>QCD</strong>:( ) 2 µqm D (T) = m 0 (T) + m 2 (T) + O(µ 4 qT)m 2 /m 0 = 3/8π 2 : agrees with perturbation theory for T> ∼1.5T cm 1 0 /T 21.510.50T/T c1 1.5 2 2.5 3 3.5 4M. Döring et al., Eur. Phys. J. C46 (2006) 179) 2m 1 2 /T1/2 ⋅ m av2 /TT/T c1 1.5 2 2.5 3 3.5 4F. Karsch, x<strong>QCD</strong>, July 2008 – p. 8/32
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