Non-local fields in theZ(2) Higgs model: The global gauge symmetry breaking and the confinement problem
Springer Online Journal Archives 1860-2000
Abstract Non-local order parameters are constructed in theZ(2) Higgs model to probe the existence or non-existence of charged states. The non-local field corresponding to the Higgs field in a complete gauge fixing is found to be an order parameter for the locally unobservable global gauge symmetry breaking. This symmetry breakdown is shown to imply perfect screening for the bare charge.
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