Dimensional Reduction and Hot QCD: Calculating the Debye Mass Non-Perturbatively

Details Dimensional Reduction and Hot QCD: Calculating the Debye Mass Non-Perturbatively Dimensional Reduction and Hot QCD: Calculating the Debye Mass Non-Perturbatively

1997-07-31

arxiv.org/abs/hep-lat/9707034v1

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, Latex, uses sprocl.sty, Talk given at the conference ``Strong and Electroweak Matter '97'', 21--25 May 1997, Eger, Hu

Scientific paper

We study the phase diagram of the 3-dimensional SU(2) + adjoint Higgs theory, and investigate to what extent it can be used as an effective theory of the 4-dimensional high-T SU(2) QCD. The relation between the parameters in 4 and 3 dimensions is obtained through dimensional reduction. The high-T (deconfined) QCD phase corresponds to the symmetric phase of the 3-D Higgs theory. In the relevant parameter region the symmetric phase is not stable, but the metastability is strong enough to make precise measurements possible. In particular, we measure the Debye mass using a gauge invariant operator.

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