Abstract
The Cahn-Hilliard-Cook theory of the evolution of concentration fluctuations subsequent to a temperature jump is generalized by taking the effect of the slow relaxation of one or more internal variables of a viscoelastic liquid mixture into account. The generalized theory, which applies to quenches both within the one-phase domain and into the region of spinodal decomposition, describes a non-exponential evolution of the structure factor for the concentration fluctuations. The theory is worked out in detail for the case of one internal variable. It is shown that, with the exception of one, all parameters entering the theory can be determined by independent measurements of structural and viscoelastic properties.
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Jäckle, J., Pieroth, M. Theory of structural evolution in viscoelastic binary liquid mixtures after a temperature jump. Z. Physik B - Condensed Matter 72, 25–39 (1988). https://doi.org/10.1007/BF01313108
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DOI: https://doi.org/10.1007/BF01313108