1.
Phys Rev Lett
; 95(2): 028001, 2005 Jul 08.
Artigo
em Inglês
| MEDLINE
| ID: mdl-16090714
RESUMO
Transport effects in a monolayer consisting of a binary granular mixture, confined in a horizontally vibrating circular dish, are studied experimentally and compared with a reduced theoretical model. Depending on the ratio of the particles' material density and size, migration of the larger particles occurs either towards the boundary or to the center of the circular container. These directed motions show similarities to the Brazil-nut effect and its reverse form.