External Fields and Color Confinement

Details External Fields and Color Confinement External Fields and Color Confinement

2004-10-05

arxiv.org/abs/hep-lat/0410007v1

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2004(topology), Fermilab, June 21-26, 2004, 3 pages

Scientific paper

10.1016/j.nuclphysbps.2004.11.19

U(1), SU(2), and SU(3) lattice gauge theories in presence of external fields are investigated both in (3+1) and (2+1) dimensions. The free energy of gauge systems has been measured. While the phase transition in compact U(1) is not influenced by the strength of an external constant magnetic field, the deconfinement temperature for SU(2) and SU(3) gauge systems in a constant abelian chromomagnetic field decreases when the strength of the applied field increases. The dependence of the deconfinement temperature on the strength of an external constant chromomagnetic field seems to be a peculiar feature of non abelian gauge theories.

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