Phase-field simulations and experiments of faceted growth in liquid crystals

R. González-Cinca, L. Ramírez-Piscina, J. Casademunt, A. Hernández-Machado, L. Kramer, T. Tóth Katona, T. Börzsönyi, Á Buka

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Abstract

We present numerical simulations directed at the description of smectic-B germs growing into the supercooled nematic phase for two different liquid crystalline substances. The simulations are done by means of a phase-field model appropriate to study strong anisotropy and also faceted interfaces. The most important ingredient is the angle-dependent surface energy, but kinetic effects are also relevant. The simulations reproduce qualitatively a rich variety of morphologies observed in the experiments for different values of undercooling, extending from the faceted equilibrium shape to fully developed dendrites.

Original languageEnglish
Pages (from-to)359-368
Number of pages10
JournalPhysica D: Nonlinear Phenomena
Volume99
Issue number2-3
DOIs
Publication statusPublished - Jan 1 1996

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ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Condensed Matter Physics
  • Applied Mathematics

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