Knot Topology of QCD Vacuum

Details Knot Topology of QCD Vacuum Knot Topology of QCD Vacuum

2004-09-24

arxiv.org/abs/hep-th/0409246v1

Phys.Lett. B644 (2007) 208-211

Physics

High Energy Physics

High Energy Physics - Theory

4 pages

Scientific paper

10.1016/j.physletb.2006.11.040

We show that one can express the knot equation of Skyrme theory completely in terms of the vacuum potential of SU(2) QCD, in such a way that the equation is viewed as a generalized Lorentz gauge condition which selects one vacuum for each class of topologically equivalent vacua. From this we show that there are three ways to describe the QCD vacuum (and thus the knot), by a non-linear sigma field, a complex vector field, or by an Abelian gauge potential. This tells that the QCD vacuum can be classified by an Abelian gauge potential with an Abelian Chern-Simon index.

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