Abstract

The impact of macroscopically curved surfaces on the microscopic structure of confined molecularly thin liquid crystalline films is investigated in grand canonical ensemble Monte Carlo simulations (GCEMC), in which the thermodynamic state is determined by the temperature T and the chemical potential μ. This corresponds to experiments employing the surface forces apparatus (SFA), in which a fluid is confined between two crossed cylinders of macroscopic radius R. The thermodynamic state of the film is chosen such that a corresponding bulk liquid crystal is nematic. The film' s microscopic structure is correlated with the normal stress Tzz (sz ). The normal stress is used to calculate the solvation force per cylinder radius F(h)/R applied by the film on the crossed cylinders of the SFA setup.

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