The Cone Phase of Liquid Crystals: Triangular Lattice of Double-Tilt Cylinders
Yashodhan Hatwalne, N. V. Madhusudana
TL;DR
This paper predicts a new defect-lattice phase called the cone phase in liquid crystals near the nematic-smectic-C transition, characterized by a lattice of double-tilt cylinders, and discusses its structure, stability, and potential prevalence.
Contribution
It introduces the cone phase as a novel defect-lattice structure in liquid crystals, expanding understanding of phases near the nematic-smectic-C transition.
Findings
Prediction of the cone phase near the NC transition
Description of the cone phase as a lattice of double-tilt cylinders
Implication that many nematics may be in the molten cone phase
Abstract
We predict the existence of a new defect-lattice phase near the nematic - smectic-C (NC) transition. This tilt- analogue of the blue phase is a lattice of double-tilt cylinders. We discuss the structure and stability of the cone phase. We suggest that many `nematics' exhibiting short range layering and tilt order may in fact be in the molten cone phase, which is a line liquid.
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