Unstable planar one-dimensional configurations in nematic liquid crystals

In this work it is analytically shown that any one-dimensional non-uniform planar configuration is unstable with relation to out-of-plane tilts. The fluctuations describing this escape into the third dimension are studied, and it is shown that the minimization of the bulk free energy makes non-null the mean values of the parameters describing these uctuations. The equations describing this phenomenon are proposed and solved in the small bending approximation.

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Bibliographic Details
Main Authors: Simões,M., Gonçalves,A. E.
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Física 2002
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000300005
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Description
Summary:In this work it is analytically shown that any one-dimensional non-uniform planar configuration is unstable with relation to out-of-plane tilts. The fluctuations describing this escape into the third dimension are studied, and it is shown that the minimization of the bulk free energy makes non-null the mean values of the parameters describing these uctuations. The equations describing this phenomenon are proposed and solved in the small bending approximation.