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Updated: Oct 10, 2026

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
Published on: May 15, 2017
Transverse thermal depinning and nonlinear sliding friction of an adsorbed monolayer
1Laboratório Associado de Sensores e Materiais, Instituto Nacional de Pesquisas Espaciais, 12201-190 São José dos Campos, São Paulo, Brazil.
Abstract:
We study the response of an adsorbed monolayer under a driving force as a model of sliding friction phenomena between two crystalline surfaces with a boundary lubrication layer. Using Langevin-dynamics simulation, we determine the nonlinear response in the direction transverse to a high symmetry direction along which the layer is already sliding. We find that below a finite transition temperature there exist a critical depinning force and hysteresis effects in the transverse response in the dynamical state when the adlayer is sliding smoothly along the longitudinal direction.
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