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Title:
On diffusion, drift and the Einstein relation
Authors:
Guidoni, S. E.; Aldao, C. M.
Affiliation:
Institute of Materials Science and Technology (INTEMA), Universidad Nacional de Mar del Plata-CONICET, Juan B. Justo 4302, 7600 Mar del Plata, Argentina
Publication:
European Journal of Physics, Volume 23, Issue 4, pp. 395-402 (2002).
Publication Date:
07/2002
Origin:
IOP
DOI:
10.1088/0143-0807/23/4/302
Bibliographic Code:
2002EJPh...23..395G

Abstract

The diffusivity, mobility and limitations of the Einstein relation are discussed by means of two pedagogical examples. In a simple one-dimensional analysis, we compute the consequences of the single-particle occupancy restriction and correlations over two successive steps on the diffusion and drift fluxes and on the particle distribution functions.
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Database: Astronomy
Physics
arXiv e-prints