Dispersion relations of director fluctuations along the direction perpendicular to the helical axis in cholesteric liquid crystals

作者：Yoshioka J^*; Takanishi Y; Yamamoto J

来源：EPL, 2012, 98(1): 16006.

DOI：10.1209/0295-5075/98/16006

We theoretically analyzed the dispersion relations of director fluctuations along the direction perpendicular to the helical axis in cholesteric liquid crystals, and experimentally verified the validity of the analysis by dynamic light scattering (DLS) measurement. It is found that the dispersion relations are well explained by two independent modes, which we call "splay-bend" and "undulation" modes.

• 出版日期2012-4