Abstract
The properties of fluctuations inμ space in or outside thermal equilibrium are obtained by solving hierarchies of equations derived either from the Liouville or the Master equation. In particular we study the one-, two-, etc., time correlation functions that describe the spatial and temporal behavior of the fluctuations inμ space. Explicit solutions are obtained for a dilute gas. The Langevin approach is briefly discussed. Our results are compared with those obtained in the extensive literature, which is reviewed in some detail.
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Ernst, M.H., Cohen, E.G.D. Nonequilibrium fluctuations in μ space. J Stat Phys 25, 153–180 (1981). https://doi.org/10.1007/BF01008484
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DOI: https://doi.org/10.1007/BF01008484