Document Type

Article

Publication Date

10-1-1995

Department

Chemistry and Biochemistry

School

Mathematics and Natural Sciences

Abstract

The statio and dynamic structure factors of binary fluids in a dilute gel are computed using a two-dimensional kinetic Ising model. The wetting effect of the gel strands is modeled with ''gel atoms'' which are distributed randomly among the spins and impose a field on their neighboring spins, all in the same direction. The result for the static structure factor shows the presence of adsorption clusters which mask the gel atoms. The result for the dynamic Structure factor shows an extremely slow relaxation-at late times which cannot be fitted in the form of the activated dynamic scaling known for random-field systems.

Publication Title

Physical Review E

Volume

52

Issue

4

First Page

4545

Last Page

4548

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