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Article Dans Une Revue European Physical Journal E: Soft matter and biological physics Année : 2000

Solid-like friction of a polymer chain

Thierry Charitat

Résumé

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 non trivial 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.

Domaines

Polymères
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Dates et versions

hal-03433750 , version 1 (17-11-2021)

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Thierry Charitat, Jean-François Joanny. Solid-like friction of a polymer chain. European Physical Journal E: Soft matter and biological physics, 2000, 3 (4), pp.369-376. ⟨10.1007/s101890070007⟩. ⟨hal-03433750⟩
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