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25 April 2024
 
  » pubmed » pmid12188749

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Structure and dynamics of freely suspended film of the smectic-C*alpha phase in an external transverse electric field
M Conradi ; I Musevic ; M Cepic ;
Date 31 May 2002
Journal Phys Rev E, 65 (6 Pt 1), 061705
AbstractWe present a theoretical analysis of static and dynamic properties of freely suspended films of the smectic-C*alpha phase in an external electric field, applied along the smectic layers. The analysis is performed within the "clock" model, where the interactions up to next-nearest neighbors are considered. The calculated critical electric field for the unwinding of the smectic-C*alpha phase is of the order of several 100 V/mm and strongly depends on the interlayer interactions. The calculated relaxation rates of the eigenfluctuations of a system of N layers are in the kilohertz range for phase fluctuations and several megahertz for amplitude fluctuations.
Source PubMed, pmid12188749
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