5 papers
Time evolution of observables out of thermal equilibrium
Herbert Nachbagauer
We propose a new approximation-technique to deal with the exact macroscopic integro-differential evolution equations of statistical systems which self-consistently accounts for dis…
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…
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…
The dynamics of a thermal non-equilibrium anharmonic oscillator
Herbert Nachbagauer
We propose an non-standard method to calculate non-equilibrium physical observables. Considering the generic example of an anharmonic quantum oscillator, we take advantage of the f…
Spherically symmetric quark-gluon plasma field configurations
Herbert Nachbagauer
We study field configurations in a hot quark-gluon plasma with spherical symmetry. We show that the electric fields point into radial direction and solve the effective non-abelian…