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Authors: Longa, Lech
Trebin, Hans-Rainer
Title: Bond orientational order in the blue phases of chiral liquid crystals
Issue Date: 1993 Zeitschriftenartikel Physical review letters 71 (1993), S. 2757-2760. URL
Abstract: It is proposed to describe blue phases by two order parameters: the standard alignment tensor field Q αβ(r) and a bond orientational tensor order parameter of octahedral point group symmetry scrO(432). The yet mysterious blue fog then emerges as a liquid of purely cubic bond orientational order. In the transition from the cubic blue phases to the blue fog the cubic space group symmetry is being reduced to its octahedral factor group. Because of the new order parameter the scrO 5(scrI432) structure, which in all previous calculations proved most stable, but never has been detected in experiment, is eliminated from the phase diagram.
Appears in Collections:08 Fakultät Mathematik und Physik

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