Topological Susceptibility of Yang-Mills Center Projection Vortices

Abstract

The topological susceptibility induced by center projection vortices extracted from SU(2) lattice Yang-Mills configurations via the maximal center gauge is measured. Two different smoothing procedures, designed to eliminate spurious ultraviolet fluctuations of these vortices before evaluating the topological charge, are explored. They result in consistent estimates of the topological susceptibility carried by the physical thick vortices characterizing the Yang-Mills vacuum in the vortex picture. This susceptibility is comparable to the one obtained from the full lattice Yang-Mills configurations. The topological properties of the SU(2) Yang-Mills vacuum can thus be accounted for in terms of its vortex content.

12 revtex pages, 6 ps figures included using epsf

References in corpus (2)

• Center vortex properties in the Laplace center gauge of SU(2) Yang-Mills theory
• Remarks on the Gribov Problem in Direct Maximal Center Gauge

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