Kinetics of phase ordering of nematic liquid crystals confined in porous media | Zendy

V. Popa-Nita | Zendy; Doru Constantin | Zendy

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Kinetics of phase ordering of nematic liquid crystals confined in porous media

Author(s) -

V. Popa-Nita,

Doru Constantin

Publication year - 1999

Publication title -

physical review. e, statistical physics, plasmas, fluids, and related interdisciplinary topics

Language(s) - English

Resource type - Journals

eISSN - 1095-3787

pISSN - 1063-651X

DOI - 10.1103/physreve.60.1812

Subject(s) - liquid crystal , condensed matter physics , scaling , biaxial nematic , phase (matter) , kinetics , curse of dimensionality , materials science , random field , field (mathematics) , porous medium , physics , porosity , mathematics , classical mechanics , geometry , quantum mechanics , statistics , composite material , pure mathematics

Employing a time-dependent Ginzburg-Landau model, we investigate the influence of a random field on the phase ordering kinetics of nematic liquid crystals. We find that in the scaling regime the effect of random field (slowing down the growth of nematic) dominates over initial conditions for spatial dimensionality d< or =2, whereas for d>2 the random field has all its effect in the "initial-growth" regime. In this last case the mere confinement of liquid crystals is insufficient to produce slow growth of the nematic order.

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