Orientation fluctuation-induced spinodal decompositions in polymer/liquid crystal mixtures

Details Orientation fluctuation-induced spinodal decompositions in polymer/liquid crystal mixtures Orientation fluctuation-induced spinodal decompositions in polymer/liquid crystal mixtures

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..519..220m&link_type=abstract

STATISTICAL PHYSICS: Third Tohwa University International Conference. AIP Conference Proceedings, Volume 519, pp. 220-222 (2000

Physics

Solubility, Segregation, And Mixing, Phase Separation, Constant-Composition Solid-Solid Phase Transformations: Polymorphic, Massive, And Order-Disorder, Orientational Order Of Liquid Crystals, Electric And Magnetic Field Effects On Order

Scientific paper

We study early stages of spinodal decomposition (SD) in polymer/liquid crystal mixtures by solving linearized time-dependent Landau-Ginzburg equations for concentration (conserved order parameter) and orientation (nonconserved order parameter). We find a new SD process driven by instability of the orientational order parameter. In this case, the scattering peak of compositional structure factor evolves continuously to lower wavenumber via a series of power law regimes, which is initially t1/3 in our minimal model. .

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