Liquids with Chiral Bond Order

Details Liquids with Chiral Bond Order Liquids with Chiral Bond Order

1995-07-08

arxiv.org/abs/cond-mat/9507023v2

J. Phys. II France 6 (1996) 461

Physics

Condensed Matter

plain TeX, 19 Pages, four figures, uufiled and included. Minor correction and clarification

Scientific paper

10.1051/jp2:1996192

I describe new phases of a chiral liquid crystal with nematic and hexatic order. I find a conical phase, similar to that of a cholesteric in an applied magnetic field for Frank elastic constants $K_2>K_3$. I discuss the role of fluctuations in the context of this phase and the possibility of satisfying the inequality for sufficiently long polymers. In addition I discuss the topological constraint relating defects in the bond order field to textures of the nematic and elucidate its physical meaning. Finally I discuss the analogy between smectic liquid crystals and chiral hexatics and propose a defect-riddled ground state, akin to the Renn-Lubensky twist grain boundary phase of chiral smectics.

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