Nonequilibrium Statistical Operator for Systems of Finite Size

Details Nonequilibrium Statistical Operator for Systems of Finite Size Nonequilibrium Statistical Operator for Systems of Finite Size

2011-11-16

arxiv.org/abs/1111.3840v1

Physics

Condensed Matter

Statistical Mechanics

29 pages

Scientific paper

The lifetime of statistical system is introduced. It is supposed that the nonequilibrium statistical operator implicitly contains the lifetime. The operations of taking of invariant part, averaging on initial conditions used in works of D.N. Zubarev, temporary coarse-graining (Kirkwood), choose of the direction of time are replaced by averaging on lifetime distribution. The expression for lifetime change at transitions from quasi-equilibrium system to nonequilibrium one is derived. A sort of the nonequilibrium statistical operator for systems of the finite sizes is suggested.

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