Magnetic monopoles as fine-tuned objects

We review the evidence that the monopoles observed in the lattice simulations of the SU (2) gauge theories exhibit fine-tuning. Which means that at presently available lattices both the non-Abelian action associated with the monopoles and the corresponding entropy factor diverge in the ultraviolet but cancel each other to order Λ QCD . The fine tuning suggests the use of geometrical language to describe the properties of the monopole clusters. We describe first applications of this idea.

talk: Montpellier 2002/07/02
gauge field theory: SU(2)
lattice field theory
magnetic moment: cluster
entropy
cluster: percolation
vacuum state

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Figures(0)

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