Physical Review E
cholesteric liquid-crystals, magnetic stripe domains, diblock copolymers, instabilities, patterns, evolution, disorder, fields
We visualize undulations in layered systems using a cholesteric stripe phase with a macroscopic supramicron periodicity. The wave vector of stripe pattern is in the cell's plane. The-undulation is induced by an in-plane magnetic field normal to the stripes. The observed displacement of layers is much larger than the value predicted by the Helfrich-Hurault classic theory. We propose a model of undulations that explains the data by finite surface anchoring of layers.
Ishikawa, T. and Lavrentovich, Oleg (2001). Undulations in a Confined Lamellar System with Surface Anchoring. Physical Review E 63(3). doi: 10.1103/PhysRevE.63.030501 Retrieved from http://digitalcommons.kent.edu/cpippubs/205