Damped-driven granular chains: an ideal playground for dark breathers and multibreathers.

@article{Chong2014DampeddrivenGC,
  title={Damped-driven granular chains: an ideal playground for dark breathers and multibreathers.},
  author={Christopher Chong and F. Li and J. Yang and M. O. Williams and Ioannis G. Kevrekidis and Panayotis G. Kevrekidis and Chiara Daraio},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2014},
  volume={89 3},
  pages={
          032924
        }
}
  • C. Chong, F. Li, C. Daraio
  • Published 17 July 2013
  • Physics
  • Physical review. E, Statistical, nonlinear, and soft matter physics
By applying an out-of-phase actuation at the boundaries of a uniform chain of granular particles, we demonstrate experimentally that time-periodic and spatially localized structures with a nonzero background (so-called dark breathers) emerge for a wide range of parameter values and initial conditions. We demonstrate a remarkable control over the number of breathers within the multibreather pattern that can be "dialed in" by varying the frequency or amplitude of the actuation. The values of the… 
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