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Rigidity of center vortices.

Presenter: Mikhail Polikarpov — ITEP

P. V. Buividovich, M.I. Polikarpov

It is shown that the action of center vortices in SU(2) lattice gluodynamics is correlated with extrinsic and internal curvature of the vortex. We suggest the effective action which reproduce geometric properties of center vortices found in numerical calculations. We speculate that rigidity may be induced by some fields localized on vortices. Monopoles in the Abelian projection are natural candidates for such two-dimensional fields.