Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
1999-04-09
Physics
Condensed Matter
Soft Condensed Matter
6pages, 6 figures, to appear in Phys. Rev. E (May 1999)
Scientific paper
10.1103/PhysRevE.59.5641
A simple geometrical model is presented for the gravity-driven motion of a single particle on a rough inclined surface. Adopting a simple restitution law for the collisions between the particle and the surface, we arrive at a model in which the dynamics is described by a one-dimensional map. This map is studied in detail and it is shown to exhibit several dynamical regimes (steady state, chaotic behavior, and accelerated motion) as the model parameters vary. A phase diagram showing the corresponding domain of existence for these regimes is presented. The model is also found to be in good qualitative agreement with recent experiments on a ball moving on a rough inclined line.
Vasconcelos Giovani L.
Veerman J. J. P.
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