Domain motion in confined liquid crystals

Details Domain motion in confined liquid crystals Domain motion in confined liquid crystals

2001-08-07

arxiv.org/abs/cond-mat/0108112v2

Journal of Statistical Physics, Vol. 107, 187-202(2002).

Physics

Condensed Matter

Soft Condensed Matter

14 pages including 5 figures; minor changes before publication

Scientific paper

10.1023/A:1014562721540

We extend a lattice Boltzmann algorithm of liquid crystal hydrodynamics to include an applied electric field. The approach solves the equations of motion written in terms of a tensor order parameter. Back-flow effects and the hydrodynamics of topological defects are included. We investigate some of the dynamics relevant to liquid crystal devices; in particular defect-mediated motion of domain walls relevant to the nucleation of states useful in pi-cells. An anisotropy in the domain wall velocity is seen because defects of different topology couple differently to the flow field.

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