Field Configurations and the SU(2) Haar Measure in QCD
Abstract
We characterise a class of SU(2) gluonic field configurations in the modified axial gauge where a zero mode component vanishes at some space point but the global Haar measure remains non-zero. The consequence of this is that gluonic wavefunctionals need not vanish at the boundary of the fundamental modular domain, which itself permits θ dependence in QCD(3+1).
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