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1987

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/9426

Dynamics of transient pattern formation in nematic liquid crystals

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Abstract

We analyze the dynamics of a transient pattern formation in the Fréedericksz transition corresponding to a twist geometry. We present a calculation of the time-dependent structure factor based on a dynamical model which incorporates consistently the coupling of the director field with the velocity flow and also the effect of fluctuations. The appearance and development of a characteristic periodicity is described in terms of the time dependence of the maximum of the structure factor. We find a well-defined time for the appearance of the pattern and a subsequent stage of pattern development in which the characteristic periodicity tends to an asymptotic value.

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http://dx.doi.org/10.1103/PhysRevA.36.1883

Subject

Cristalls líquids, Cristalls líquids nemàtics

Subject (English)

Liquid crystals, Nematic liquid crystals

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Articles publicats en revistes (Ciència dels Materials i Química Física)

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SAN MIGUEL RUIBAL, Maximino and SAGUÉS I MESTRE, Francesc. Dynamics of transient pattern formation in nematic liquid crystals. Physical Review A. 1987. Vol. 36, num. 4, pags. 1883-1893. ISSN 1050-2947. [consulted: 7 of October of 2026]. Available at: https://hdl.handle.net/2445/9426

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