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VOLUME 36 (1982) | ISSUE 2 | PAGE 35
A measure of the incompleteness of a statistical description and irreversibility. Fluctuation-dissipation relation (FDR) for multiparticle distribution functions
The concept of a measure of incompleteness of a statistical description in the presence of irreversible processes is introduced. A generalized FDR, which is valid for nonequilibrium processes, is formulated starting with the density matrix of the macroscopic system. The FDR is obtained on the basis of this relation for a gas, and a fluctuation formulation of the Boltzmann collision integral is proposed.