Stokes-Einstein relation: Difference between revisions
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:<math> D=\frac{k_B T}{6\pi\eta r} </math> | :<math> D=\frac{k_B T}{6\pi\eta r} </math> | ||
where ''D'' is the diffusion constant, <math>k_B</math> is the [[Boltzmann constant]], ''T'' is the [[temperature]] and <math>\eta</math> is the [[viscosity]]. | |||
==References== | ==References== | ||
#William Sutherland "A dynamical theory of diffusion for non-electrolytes and the molecular mass of albumin", Philosophical Magazine '''9''' pp. 781-785 (1905) | #William Sutherland "A dynamical theory of diffusion for non-electrolytes and the molecular mass of albumin", Philosophical Magazine '''9''' pp. 781-785 (1905) | ||
Revision as of 17:02, 8 November 2007
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The Stokes-Einstein relation, originally derived by William Sutherland, states
where D is the diffusion constant, is the Boltzmann constant, T is the temperature and is the viscosity.
References
- William Sutherland "A dynamical theory of diffusion for non-electrolytes and the molecular mass of albumin", Philosophical Magazine 9 pp. 781-785 (1905)
- Robert Zwanzig and Alan K. Harrison "Modifications of the Stokes–Einstein formula", Journal of Chemical Physics 83 pp. 5861-5862 (1985)
- M. Cappelezzo, C. A. Capellari, S. H. Pezzin, and L. A. F. Coelho "Stokes-Einstein relation for pure simple fluids", Journal of Chemical Physics 126 224516 (2007)