Determination of the Coefficients in Landau Free Energy near the Smectic-A-Chiral Smectic-C Transition for the Liquid Crystal MBRA8

S. C. Lien School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota, 55455, U.S.A.

C. C. Huang School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota, 55455, U.S.A.

T. Carlsson Department of Physics, Chalmers University of Technology, Goteborg, Sweden; School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota, 55455, U.S.A.

I. Dahl Department of Physics, Chalmers University of Technology, Goteborg, Sweden; School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota, 55455, U.S.A.

S. T. Lagerwall Department of Physics, Chalmers University of Technology, Goteborg, Sweden; School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota, 55455, U.S.A.

Abstract

High-resolution heat-capacity measurement has been carried out on S-4-O-(2-methyl)butyl-resorcylidene-4′-octylaniline near its smectic-A-chiral smectic-C transition. Our heat-capacity results combined with the existing tilt-angle data enable us to calculate the three leading coefficients in the Landau free energy expression for the smectic-A-chiral smectic-C transition.

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Determination of the Coefficients in Landau Free Energy near the Smectic-A-Chiral Smectic-C Transition for the Liquid Crystal MBRA8

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Determination of the Coefficients in Landau Free Energy near the Smectic-A-Chiral Smectic-C Transition for the Liquid Crystal MBRA8

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