On the distinction between color confinement, and confinement
Abstract
The property of color confinement ("C confinement"), meaning that all asymptotic particle states are color neutral, holds not only in QCD, but also in gauge-Higgs theories deep in the Higgs regime. In this talk we describe a new and stronger confinement criterion, separation-of-charge confinement or "Sc confinement," which is an extension of the Wilson area-law criterion to gauge + matter theories. We will show that there is a transition between Sc and C confinement in the phase plane of gauge-Higgs theories, and we will also explain what symmetry is actually broken in the Higgs phase of a gauge-Higgs theory.
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