期刊
MODERN PHYSICS LETTERS B
卷 23, 期 9, 页码 1147-1155出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217984909019260
关键词
Stochastic processes; classical transport
New stochastic models of thermodiffusion are constructed and their hydrodynamical limits are studied through a first-order Chapman-Enskog expansion. These models differ from earlier ones by taking into account all first-order contributions proportional to the temperature gradient and, thus, allow for both positive and negative Soret coefficients, in accordance with observations.
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