Time evolution of observables out of thermal equilibrium

Details Time evolution of observables out of thermal equilibrium Time evolution of observables out of thermal equilibrium

1998-09-04

arxiv.org/abs/hep-ph/9809267v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages two-column REVTEX, 1 postscript figure. Talk given at the 5th International Workshop on Thermal Field Theories and The

Scientific paper

We propose a new approximation-technique to deal with the exact macroscopic integro-differential evolution equations of statistical systems which self-consistently accounts for dissipative effects. Concentrating on one and two point equal-time correlators, we develop the self-consistent method and apply it to a scalar field theory with quartic self-interaction. We derive the effective equations of motion and the corresponding macroscopic effective Hamiltonian. Non-locality in time appears in a natural way necessary to account for entropy generating processes.

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