On some local properties of Yang-Mills vacuum
arXiv:hep-th/9701030 · doi:10.1142/S0217751X98000871
Abstract
In this paper we use a non-covariant gauge which makes some of the YM features manifest which otherwise do not appear explicitly in the Landau gauge used by Nielsen and Olesen.We show, in fact, that the unstable mode which makes a large contribution to the vacuum energy is non-perturbative even classically.
6 pages, LaTeX