Liquid crystals

Formation of local flows in thin nematic channels with free surface under laser irradiation

A. V. Zakharov, A. A. Vakulenko

Institute of Problems of Mechanical Engineering, Russian Academy of Sciences, St. Petersburg

Abstract: A theoretical description of the formation of hydrodynamic flows in narrow liquid-crystal channels with free surface under laser irradiation was proposed. Within the nonlinear generalization of the classical Ericksen-Leslie theory, the thermomechanical contributions to both the stress tensor and viscous moment per unit volume of the liquid-crystal phase were taken into account, which allowed the description of some features in the formation of a flow in nematics formed by 4-n-pentyl-4'- and 4-n-octyl-4'-cyanobiphenyl molecules.

Received: 21.01.2015

 English version: Physics of the Solid State, 2015, 57:8, 1685–1694

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