Double origin of stochastic granular tribocharging.

@article{Haeberle2018DoubleOO,
  title={Double origin of stochastic granular tribocharging.},
  author={Jan Haeberle and A. Schella and M. Sperl and M. Schr{\"o}ter and P. Born},
  journal={Soft matter},
  year={2018},
  volume={14 24},
  pages={
          4987-4995
        }
}
The mechanisms underlying triboelectric charging have a stochastic nature. We investigate how this randomness affects the distributions of charges generated on granular particles during either a single or many collisions. The charge distributions we find in our experiments are more heavy-tailed than normal distributions with an exponential decay of the probability, they are asymmetric, and exhibit charges of both signs. Moreover, we find a linear correlation between the width and mean of these… Expand

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