Journal
JOURNAL OF STATISTICAL PHYSICS
Volume 134, Issue 4, Pages 701-708Publisher
SPRINGER
DOI: 10.1007/s10955-009-9699-z
Keywords
Reciprocity; Premelting; Diffusion; Soret effect; Dufour effect; Surface phase transitions; Colloids
Categories
Funding
- Department of Energy [DE-FG02-05ER15741]
- U. S. National Science Foundation [OPP0440841]
- King Abdullah University of Science and Technology (KAUST) [KUK-C1-013-04]
- U. S. National Science Foundation Graduate Research Fellowship
- Wenner-Gren Foundation
- Royal Institute of Technology
- NORDITA
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The diffusive motion of foreign particles dispersed in a premelting solid is analyzed within the framework of irreversible thermodynamics. We determine the mass diffusion coefficient, thermal diffusion coefficient and Soret coefficient of the particles in the dilute limit, and find good agreement with experimental data. In contrast to liquid suspensions, the unique nature of premelting solids allows us to derive an expression for the Dufour coefficient and independently verify the Onsager reciprocal relation coupling diffusion to the flow of heat.
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