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dc.contributor.authorGnoli, A.en
dc.contributor.authorde Arcangelis, L.en
dc.contributor.authorGiacco, F.en
dc.contributor.authorLippiello, E.en
dc.contributor.authorCiamarra, Massimo Picaen
dc.contributor.authorPuglisi, A.en
dc.contributor.authorSarracino, A.en
dc.identifier.citationGnoli, A., de Arcangelis, L., Giacco, F., Lippiello, E., Ciamarra, M. P., Puglisi, A., et al. (2018). Controlled Viscosity in Dense Granular Materials. Physical Review Letters, 120(13), 138001-.en
dc.description.abstractWe experimentally investigate the fluidization of a granular material subject to mechanical vibrations by monitoring the angular velocity of a vane suspended in the medium and driven by an external motor. On increasing the frequency, we observe a reentrant transition, as a jammed system first enters a fluidized state, where the vane rotates with high constant velocity, and then returns to a frictional state, where the vane velocity is much lower. While the fluidization frequency is material independent, the viscosity recovery frequency shows a clear dependence on the material that we rationalize by relating this frequency to the balance between dissipative and inertial forces in the system. Molecular dynamics simulations well reproduce the experimental data, confirming the suggested theoretical picture.en
dc.format.extent6 p.en
dc.relation.ispartofseriesPhysical Review Lettersen
dc.rights© 2018 American Physical Society. This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDense Granular Materialsen
dc.titleControlled Viscosity in Dense Granular Materialsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.description.versionPublished versionen
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