Role of fluctuation-induced interactions in the axial segregation of granular materials
Keywords: 
Área Física y Ciencias del Espacio
Issue Date: 
2005
ISSN: 
0031-9007
Note: 
Creative Commons Attribution 4.0
Citation: 
Zuriguel, I. (Iker); Boudet, J.F. (Jean-Français); Amarouchen, Y. (Yacine). "Role of fluctuation-induced interactions in the axial segregation of granular materials". Physical review letters. 2005; 95 (25), 258002
Abstract
The movement of a few large diameter spheres immersed in a granular medium composed of smaller beads in a rotating cylinder is studied. We evidence attractions and repulsions between the large spheres depending on the rotation frequency. The large spheres also show relative position fluctuations which are Gaussian. A complete study of this problem sheds new light on the problem of size segregation in granular materials and points to the importance of fluctuation-induced interactions.

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