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hep-th1997
Wigner Functionals and their Dynamics in Quantum-Field-Theory
Herbert Nachbagauer
We reformulate time evolution of systems in mixed states in terms of the classical observables of correlators using the Weyl correspondence rule. The resulting equation of motion f…
hep-th1997
The Quantum Liouville Equation for the Effective Action
Herbert Nachbagauer
Starting from the von Neumann equation, we construct the quantum evolution equation for the effective action for systems in mixed states. This allows us to find the hierarchy of eq…