✦ LIBER ✦

Brownian motion in a weak stochastic field

✍ Scribed by E. Levich; L.M. Pismen

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 298 KB
Volume: 40
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(76)85069-5

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✦ Synopsis

The diffusion of particles in an arbitrary stochastic force field is considered. It is shown that if the magnitude of the stochastic force depends both on time and space cocrdinates, the expression for the diffusion tensor may differ significantly from the usuai one obtained when the stochastic force is only time dependent. If there are specific correlations betweer? spatial and temporal fluctuations of the stochastic field, the diffusion tensor is proportional to the square of the spectral function. The general result is applicable to a wide range of stochastic fields, for example, stochastic waves of various

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