Physics – Condensed Matter
Scientific paper
1993-06-19
J. Phys. I France 3 (1993) 2131
Physics
Condensed Matter
10 pages, tex file (macros included), IASSNS-HEP-93/20
Scientific paper
10.1051/jp1:1993110
We propose a model of directed lines where the average direction has the nature of a cholesteric liquid crystal. This model, for instance, would describe the liquid of screw dislocations in the twist-grain-boundary (TGB) phase of liquid crystals. We show that the presence of lines does not alter the long wavelength elasticity of a cholesteric and, therefore, does not stabilize Landau-Peierls instability of the cholesteric phase. We discuss other possible mechanisms for stabilizing the twist-grain-boundary phase.
Kamien Randall D.
Lubensky Tom. C.
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