A simple molecular statistical treatment of a model for cholesterics

P.M.L.O. Scholte and G. Vertogen

Physica A: Statistical Mechanics and its Applications, 1982, vol. 113, issue 3, 587-595

Abstract: The cholesteric state is discussed in terms of a model consisting of the Maier-Saupe and a twist interaction. The model can be easily solved in the mean field approximation. In the practical case of a large pitch analytical expressions are obtained for relevant quantities like the order parameters and the free energy. Then it appears that the pitch is temperature independent, which is a general result, and does not influence the discontinuity of the main (nematic) order parameter at the isotropic-cholesteric transition. Interactions giving rise to a temperature-dependent pitch are discussed briefly.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:113:y:1982:i:3:p:587-595

DOI: 10.1016/0378-4371(82)90158-3

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