Structural origin of enhanced slow dynamics near a wall in glass-forming systems.

@article{Watanabe2011StructuralOO,
  title={Structural origin of enhanced slow dynamics near a wall in glass-forming systems.},
  author={Keiji Watanabe and Takeshi Kawasaki and Hajime Tanaka},
  journal={Nature materials},
  year={2011},
  volume={10 7},
  pages={512-20}
}
Spatial confinement is known to induce a drastic change in the viscosity, relaxation times, and flow profile of liquids near the glass (or jamming) transition point. The essential underlying question is how a wall affects the dynamics of densely packed systems. Here we study this fundamental problem, using experiments on a driven granular hard-sphere liquid and numerical simulations of polydisperse and bidisperse colloidal liquids. The nearly hard-core nature of the particle-wall interaction… CONTINUE READING

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