Solitons and exact velocity quantization of incommensurate sliders

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dc.creatorManini, Nicola
dc.creatorCesaratto, Marco
dc.creatorSantoro, Giuseppe E.
dc.creatorTosatti, Erio
dc.creatorVanossi, Andrea
dc.date2006-11-16
dc.date2007-02-26
dc.date.accessioned2026-07-07T08:25:37Z
dc.date.available2026-07-07T08:25:37Z
dc.descriptionWe analyze in some detail the recently discovered velocity quantization phenomena in the classical motion of an idealized one-dimensional solid lubricant, consisting of a harmonic chain interposed between two periodic sliders. The ratio w = v_cm/v_ext of the chain center-of-mass velocity to the externally imposed relative velocity of the sliders is pinned to exact ``plateau'' values for wide ranges of parameters, such as sliders corrugation amplitudes, external velocity, chain stiffness and dissipation, and is strictly determined by the commensurability ratios alone. The phenomenon is caused by one slider rigidly dragging the density solitons (kinks/antikinks) that the chain forms with the other slider. Possible consequences of these results for some real systems are discussed.
dc.description12 pages 6 figures. Small fixup after Referee's comments. In print in J. Phys.: Condens. Matter
dc.identifierhttps://arxiv.org/abs/cond-mat/0611440
dc.identifierhttp://arxiv.org/abs/cond-mat/0611440
dc.identifierJ. Phys.: Condens. Matter 19, 305016 (2007)
dc.identifierdoi:10.1088/0953-8984/19/30/305016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/136680
dc.subjectMaterials Science
dc.titleSolitons and exact velocity quantization of incommensurate sliders
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