Probing the non-perturbative dynamics of SU(2) vacuum

Details Probing the non-perturbative dynamics of SU(2) vacuum Probing the non-perturbative dynamics of SU(2) vacuum

1999-03-02

arxiv.org/abs/hep-lat/9903005v1

Phys.Rev. D60 (1999) 094506

Physics

High Energy Physics

High Energy Physics - Lattice

29 pages, 10 figures, LaTeX2e

Scientific paper

10.1103/PhysRevD.60.094506

The vacuum dynamics of SU(2) lattice gauge theory is studied by means of a gauge-invariant effective action defined using the lattice Schr\"odinger functional. Numerical simulations are performed both at zero and finite temperature. The vacuum is probed using an external constant Abelian chromomagnetic field. The results suggest that at zero temperature the external field is screened in the continuum limit. On the other hand at finite temperature it seems that confinement is restored by increasing the strength of the applied field.

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