Thermalization of quantum fields from time-reversal invariant evolution equations. (English) Zbl 0971.82027
Summary: We study the time evolution of correlation functions in closed quantum systems for nonequilibrium ensembles of initial conditions. For a scalar quantum field theory we show that generic time-reversal invariant evolutions approach equilibrium at large times. The calculation provides a first principles justification that the large-time behavior of closed macroscopic quantum systems can be effectively described by thermal ensemble averages.
MSC:
| 82C10 | Quantum dynamics and nonequilibrium statistical mechanics (general) |
References:
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