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Effective Viscosity of Confined Hydrocarbons

Effective Viscosity of Confined Hydrocarbons

We present molecular dynamics friction calculations for confined hydrocarbon films with molecular lengths from 20 to 1400 carbon atoms. We find that the logarithm of the effective viscosity \mu eff for nanometer-thin films depends linearly on the logarithm of the shear rate: log(effective viscosity) = C - n log (shear …