A comparison of possible disclination mechanisms of switching in thin ferroelectric liquid crystal samples
Résumé
Three possible disclination models of a nucleation : on a sample surface ; over the whole sample thickness ; in the sample bulk ; describing the switching process in thin ferroelectric liquid crystal (FLC) samples are studied in the approximation of parallel smectic layers and corresponding critical values of electric field are estimated. The switching process between two uniform states of FLC is realized by combination of those models. The influence of a boundary anchoring which can change during switching on the stability of the resulting uniform state is discussed.
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