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"JNET, Verlag Walter de Gruyter GmbH & Co. KG" --2009/10/17 --17:54 --page 1 --#1 J. Non-Equilib. Thermodyn.

Summary: "JNET, Verlag Walter de Gruyter GmbH & Co. KG" -- 2009/10/17 -- 17:54 -- page 1 -- #1
J. Non-Equilib. Thermodyn.
2009 · Vol. 34 · pp. 1­3
Book Review
Dick Bedeaux
Ortiz de Z ´arate, J., Sengers, J.V., Hydrodynamic Fluctuations in Fluids
and Fluid Mixtures
The book gives a very clear presentation about hydrodynamic fluctuations
in fluid and fluid mixtures. The nature of these fluctuations around non-
equilibrium states is surprisingly different from their equilibrium behaviour.
In equilibrium, density and temperature fluctuations are correlated over a dis-
tance of the order of the size of the molecules, if one is not close to a critical
point or line. Away from equilibrium, new terms appear which have algebraic
long ranged tails.
The authors discuss the various misconceptions along the road to the present
understanding in a very thorough and entertaining way. In particular the mi-
croscopic picture proposed by Bogoliubov (1946, 1962) is incorrect. It was
based on the view that the fluid away from equilibrium would proceed to equi-


Source: Anisimov, Mikhail - Institute for Physical Science and Technology & Department of Chemical Engineering and Biomolecular Engineering, University of Maryland at College Park


Collections: Physics; Materials Science