Mixed colour states in QCD confining vacuum
P. V. Buividovich, V. I. Kuvshinov
Abstract
We show that confinement of spinless heavy quarks in fundamental representation of SU(Nc) gauge group can be treated as decoherence of pure colour state into a white mixture of states. Decoherence rate is found to be proportional to the tension of QCD string and the distance between colour charges. The purity of colour states is calculated.
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