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Boulter CJ Clarysse F 《Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics》1999,60(3):R2472-R2475
The wetting behavior of a ternary mixture of oil, water, and amphiphile in the presence of a surface is studied. An interface model carefully derived from an underlying Ginzburg-Landau theory is introduced, which contains position dependent rigidity and stiffness coefficients. Using this model we predict a rich surface phase diagram containing thin-thick, first-order, and continuous wetting transitions. Application of the model to other interface behavior in these mixtures is also addressed. 相似文献
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In this paper we study tricritical wetting behaviour in three dimensions. In particular we concentrate on systems with short-ranged
forces and apply linear functional renormalization group techniques to elucidate the effect of fluctuations upon tricriticality.
In comparison with studies of critical wetting we identify an additional fluctuation regime which is relevant for values of
the capillary parameter between 2/9 and 1/2. We demonstrate that this regime essentially provides a crossover from mean-field
like behaviour, in which tricritical exponents are always distinct from their critical counterparts, from intermediate- and
strong-fluctuation behaviour where the critical exponents for tricritical and critical wetting are found to always coincide.
We conclude by discussing briefly the possible relevance of these results for experimental studies of wetting.
Received 4 January 2001 and Received in final form 11 May 2001 相似文献
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