Center vortex model for the infrared sector of Yang-Mills theory: Topological susceptibility
Apr, 2000Citations per year
Abstract:
A definition of the Pontryagin index for SU(2) center vortex world-surfaces composed of plaquettes on a hypercubic lattice is constructed. It is used to evaluate the topological susceptibility in a previously defined random surface model for vortices, the parameters of which have been fixed such as to reproduce the confinement properties of SU(2) Yang-Mills theory. A prediction for the topological susceptibility is obtained which is compatible with measurements of this quantity in lattice Yang-Mills theory.- gauge field theory: SU(2)
- lattice field theory
- vortex
- susceptibility: topological
- random surface
- numerical calculations
- bibliography
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