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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2011, 4, 59—68.
Local Field and Polarizability of Biomolecules in Anisotropic Media
E. M. Averyanov
Author affiliations Kirensky Institute of Physics, Siberian Branch of the RAS,
660036 Krasnoyarsk, Russia. Е-mail: firstname.lastname@example.org
Abstract Using the data on dispersion of the refractive indices in the visible range for anisotro-picic films composed of polyglutamate and DNA macromolecules, the experimental values of the components Lj for the Lorentz tensor and the components fj for the tensor of the local field of a light wave were obtained for the first time for such media. These local-field parameters correspond to limitations from below on the mean value
and anisotropy Δγ of the polarizability of macromolecules in the film. The limitations reflect the change of the polariza-bility tensor due to anisotropic intermolecular interactions in anisotropic film relatve to isotropic solution. The obtained results have been compared with consequences of the local-field models used in literature for anisotropic biomolecular media.
Keywords: anisotropic biomolecular media, local field, intermolecular interactions, polarizability of biomolecules