Published in
American Physical Society, Physical review E: Statistical physics, plasmas, fluids, and related interdisciplinary topics, 1(63), 2000
DOI: 10.1103/physreve.63.011701
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- American Physical Society
- [arxiv.org] | PDF
- [eprints.soton.ac.uk]
- [arxiv.org] | PDF
- [www.researchgate.net] | PDF
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Nematic director slippage: Role of the angular momentum of light
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Abstract
We propose a theoretical model of the light-induced director slippage effect. In this effect the bulk director reorientation contributes to the surface director reorientation. It is found that the director and ellipticity profiles, obtained in the geometric optics approximation, are dependent on the ellipticity of the incident light wave. The director distribution is spatially modulated in linearly polarized light but grows monotonically in circularly polarized light. The surface director deviation has been examined, and comparison made with existing experimental data, which then permits the magnitude of the orientational nonlinearity coefficient to be calculated.