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ON THE SATURATION BEHAVIOUR OF TWISTED NEMATIC LIQUID CRYSTAL CELLS WITH A NONZERO PRETILT ANGLE |
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| Authors: | Zhang Zhi-dong Yu Hui and Li Li |
| Institution: | Department of Physics, Hebei University of Technology, Tianjin 300130, China |
| Abstract: | Equations are obtained for the surface tilt angle and the twist angle of the director in a twisted nematic liquid crystal cell under a high magnetic field. Under a zero pretilt angle, the two equations reduce to those obtained by Sugimura et al. This fact has also been demonstrated numerically. With finite field strength and nonzero pretilt angle, no saturation transition exists. |
| Keywords: | twisted nematic liquid crystal cell weak anchoring nonzero pretilt angle saturation behaviour |
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