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Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
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Double reentrance of surface arrangements in freestanding liquid crystal films

X F Han1, S T Wang, A Cady

  • 1School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.

Physical Review Letters
|August 9, 2003
PubMed

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Oriented Surfaces01:30

Oriented Surfaces

A surface is called orientable if a consistent choice of unit normal vector can be made at every point on the surface. A thin soap film stretched across a wire loop provides a familiar example. The film separates the air on one side from the air on the other, so one side can be selected as positive and the opposite side as negative. Once this choice is made, a unit normal vector can be assigned smoothly across the entire surface.At each point on the soap film, a unit normal vector points...