Volume 50, Number 3, May I 2000
|Page(s)||326 - 332|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 September 2002|
Embedded systems under shear: Relationship between shear-induced modes and frictional behavior
School of Chemistry, Tel Aviv University - 69978 Tel Aviv, Israel
Accepted: 3 March 2000
We study the relationship between macroscopic observables and microscopic modes generated in a monolayer embedded between two rigid plates, the upper one of which is externally driven. We investigate the frictional response of the driven system and its dependence on the lateral-normal coupled motions in terms of “shearons”, which are shear-induced collective modes of the embedded system. It is proposed that analysis of the normal motion of the top plate might provide indications for these collective modes in actual experiments, and that frictional properties can be modified by changing their characteristics.
PACS: 46.55.+d – Tribology and mechanical contacts / 81.40.Pq – Friction, lubrication, and wear / 68.15.+e – Liquid thin films
© EDP Sciences, 2000
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