The validity of the Ehrenfest's theorem in Abelian and non-Abelian quantum field theories is examined. The gauge symmetries are taken to be unbroken. By suitably choosing the physical subspace, the above validity is proven in both the cases.
Gauge Symmetries and Renormalization
Ten lectures on jet manifolds in classical and quantum field theory
Talk on Anomalies in Quantum Field Theory and Cohomologies of Configuration Spaces
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