Contributions of the Cartan generators in potentials between static sources
Abstract
We investigate the contributions of the Cartan generators in the static potentials for various representations in the framework of the domain model of center vortices for SU(3) gauge theory. Using the center domains with the cores corresponding to only one Cartan generator , already given as a particular proposal, leads to some concavities in the potentials for higher representations. Furthermore, the string tension of the fundamental representation is the same at Casimir scaling and -ality regimes. We add the contribution of the other Cartan generator to the potentials and therefore these shortcomings can be eliminated. However, we discuss that at intermediate range of distances the potentials induced by only agree with the Casimir scaling better than those corresponding to both Cartan generators.
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