Relations Between Liquid Crystal Order Parameter and Macroscopic Physical Coefficients-Experimental Proof

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Abstract
In this paper, we relate how we have determined the order parameter by measuring the diamagnetic susceptibilities of th enematic phase, and of the ordered solid state obtained by freezing a nematic “monocrystal.” Moreover, we have measured dielectric and refractive indices anisotropics, and elastic coefficients; and we have verified the theories giving the relations between the order parameter and all this physical macroscopic coefficients.