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  • Coexisting Nematic and Smectic- A Phases in a Twisted Liquid-Crystal Cell 

    Ruan, Lizhen; Osipov, M. A.; Sambles, J. Roy (American Physical Society, 2001)
    Twisted homogeneously planar-aligned nematic liquid-crystal cells are cooled into the smectic- A phase. The expected defective structure does not form. Instead the cells still show good optical-guiding characteristics. ...