Abstract:
We propose a simple friction model for isolated polymer chains on a solid substrate. The chains are pulled at constant velocity by one end, the other end can be trapped on the solid substrate on localised sites. We focus on the energy dissipation due to the traps. This simple model leads to nontrivial friction laws, depending on the velocity and the distance between traps. Some refinements of the model such as the effect of thermal fluctuations are also reported.
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Received 20 March 2000
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Charitat, T., Joanny, JF. Solid-like friction of a polymer chain. Eur. Phys. J. E 3, 369–376 (2000). https://doi.org/10.1007/s101890070007
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DOI: https://doi.org/10.1007/s101890070007