Spatial 't Hooft loop to cubic order in hot QCD II

Details Spatial 't Hooft loop to cubic order in hot QCD II Spatial 't Hooft loop to cubic order in hot QCD II

2004-12-21

arxiv.org/abs/hep-ph/0412322v2

Nucl.Phys. B721 (2005) 25-49

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 5 figures, submitted to Nucl. Phys. B. Minor changes made

Scientific paper

10.1016/j.nuclphysb.2005.03.024

In this paper we provide an exact formula for the area law of the 't Hooft loop for any SU(N) gauge group to cubic order in hot gauge theory. The correction is very small for all temperatures above $T_c$, in stark contrast to the cubic correction to the pressure. The gradient approximation in a previous paper, only valid for large N, is in excellent agreement with the present, exact evalution. Comparison to lattice data is good. Casimir scaling is violated by a small amount not yet resolved by the precision of lattice data.

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