Pulse propagation in a linear and nonlinear diatomic periodic chain : effects of acoustic frequency bandgap

@inproceedings{Nesterenko2009PulsePI,
  title={Pulse propagation in a linear and nonlinear diatomic periodic chain : effects of acoustic frequency bandgap},
  author={Vitali F Nesterenko and Songyou Wang and Chiara Daraio},
  year={2009}
}
One-dimensional nonlinear crystals have been assembled from periodic diatomic chains of stainless steel cylinders alternated with Polytetrafluoroethylene spheres. This system allows dramatic changes of behavior (from linear to strongly nonlinear) by the application of compressive forces practically without changes to the geometry of the system. The relevance of classical acoustic band-gap, characteristic for a chain with linear interaction forces and derived from the dispersion relation of the… CONTINUE READING
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