Cotton-Mouton constants and pretransitional phenomena in the isotropic phase of liquid crystals

N. Blachnik Physikalische Chemie, Universität Siegen, 57068 Siegen, Germany

H. Kneppe Physikalische Chemie, Universität Siegen, 57068 Siegen, Germany

F. Schneider Physikalische Chemie, Universität Siegen, 57068 Siegen, Germany

Abstract

The Cotton-Mouton constants for three homologous series of liquid crystals were measured in the isotropic phase. Some of these measurements were performed with high temperature resolution. The results are compared with theories on pretransitional phenomena. The Landau-de Gennes theory proves to be inadequate to describe the data.

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Cotton-Mouton constants and pretransitional phenomena in the isotropic phase of liquid crystals

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