On-off intermittency and intermingledlike basins in a granular medium.
Molecular dynamic simulations of a medium consisting of disks in a periodically tilted box yield two dynamic modes differing considerably in the total potential and kinetic energies of the disks. Depending on parameters, these modes display the following features: (i) hysteresis (coexistence of the two modes in phase space); (ii) intermingledlike basins of attraction (uncertainty exponent indistinguishable from zero); (iii) two-state on-off intermittency; and (iv) bimodal velocity distributions. Bifurcations are defined by a cross-shaped phase diagram.
Schmick
Malte
M
Max-Planck-Institut für molekulare Physiologie, Postfach 500247, 44202 Dortmund, Germany. schmick@mpi-dortmund.mpg.de
Goles
Eric
E
Markus
Mario
M