Propagators and Dimensional Reduction of Hot SU(2) Gauge Theory

Details Propagators and Dimensional Reduction of Hot SU(2) Gauge Theory Propagators and Dimensional Reduction of Hot SU(2) Gauge Theory

2001-03-14

arxiv.org/abs/hep-lat/0103009v2

Phys.Rev.D64:036001,2001

Physics

High Energy Physics

High Energy Physics - Lattice

18 pages RevTex

Scientific paper

10.1103/PhysRevD.64.036001

We investigate the large distance behavior of the electric and magnetic propagators of hot SU(2) gauge theory in different gauges using lattice simulations of the full 4d theory and the effective, dimensionally reduced 3d theory. Comparison of the 3d and 4d propagators suggests that dimensional reduction works surprisingly well down to the temperature T=2 T_c. Within statistical uncertainty the electric screening mass is found to be gauge independent. The magnetic propagator, on the other hand, exhibits a complicated gauge dependent structure at low momentum.

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