Abstract
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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