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Abstract
In the present. paper the smectic A—phase induced by the deformed substrate surface in a nematic liquid crystal is considered. The surface microrelief is described by one-dimensional harmonic function. In framework of Landau—de Gennes model the dependences of the surface smectic order parameter and the depth of penetration of the interfacial smectic structure into the nematic. bulk on the amplitude and the period of the surface microrelief are obtained. It is show that the deformation of the substrate surface suppresses the interfacial smectic structure. It is also investigated the effect of the interfacial smectic structure on the depth of penetration of the surface microrelief—induced deformation into the sample bulk. The possibility of experimental verification of the results obtained is discussed.