Geodesic
Nonequilibrium statistical mechanics of heterogeneous systems. III. Brownian motion of a large particle in an inhomogeneous fluid
Teoretičeskaâ i matematičeskaâ fizika, Tome 49 (1981) no. 1, pp. 140-144 
A. G. Bashkirov. Nonequilibrium statistical mechanics of heterogeneous systems. III. Brownian motion of a large particle in an inhomogeneous fluid. Teoretičeskaâ i matematičeskaâ fizika, Tome 49 (1981) no. 1, pp. 140-144. http://geodesic.mathdoc.fr/item/TMF_1981_49_1_a11/
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Voir la notice de l'article provenant de la source Math-Net.Ru

On the basis of the Liouville equation for the collection of molecules of a system consisting of a large spherical particle and a fluid, a kinetic equation of Fokker–Planck type is derived for the distribution function of the coordinate and momentum of the particle's center of mass. It is assumed that the fluid is in a hydrodynamically nonequilibrium state due to inhomogeneities of the temperature and the velocity field. A diffusion equation is derived from the obtained kinetic equation, and explicit expressions are found for the coefficients of diffusion, thermodiffusion, and barodiffusion of large particles.

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