Screening and confinement in U(1)^{N-1} Abelian effective theories

Details Screening and confinement in U(1)^{N-1} Abelian effective theories Screening and confinement in U(1)^{N-1} Abelian effective theories

2002-07-26

arxiv.org/abs/hep-lat/0207018v2

Phys.Lett. B563 (2003) 183-190

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, RevTex4

Scientific paper

10.1016/S0370-2693(03)00659-2

We discuss the effect of dynamical charged particles in U(1)^{N-1} Abelian effective theories of QCD. Screening and confinement at zero temperature are explained qualitatively. The effect of dynamically charged particle is expressed in terms of an effective action of integer electric currents. When a screening is expected, the static potential shows a flattening in the long-range region and a linear behavior in the intermediate region. We show why the screening is better observed in the Polyakov-loop correlators than in the Wilson loops. The breaking of the adjoint string is explained without the Z(N) picture.

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