Random-field transition of a binary liquid in a porous medium
- 4 May 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 58 (18), 1865-1868
- https://doi.org/10.1103/physrevlett.58.1865
Abstract
We have used quasielastic light scattering to study a binary-liquid critical mixture in a porous medium which undergoes a random-field transition upon warming to a history-dependent frozen domain state. Finite-size effects and a crossover to activated dynamics with nonexponential relaxations are observed. The relaxation time is found to increase very rapidly at the random-field transition, in agreement with recent theories of activated dynamics in disordered systems.Keywords
This publication has 18 references indexed in Scilit:
- ac Susceptibility Study of theRandom-Field Critical DynamicsPhysical Review Letters, 1986
- Critical Behavior of the Three-Dimensional Dilute Ising Antiferromagnet in a FieldPhysical Review Letters, 1986
- Scaling and critical slowing down in random-field Ising systemsPhysical Review Letters, 1986
- Observation of a correlation length finite-size effect in Rayleigh scattering from thin critical fluid filmsPhysical Review Letters, 1986
- Wetting in random systemsPhysical Review Letters, 1986
- Temporal Phase Transition in the Three-Dimensional Random-Field Ising ModelPhysical Review Letters, 1985
- Liquid-liquid demixing inside a rigid network. Qualitative featuresThe Journal of Physical Chemistry, 1984
- Critical Behavior in Gels Saturated with Binary Liquid MixturesPhysical Review Letters, 1984
- Dynamics of Fluids near the Critical Point: Decay Rate of Order-Parameter FluctuationsPhysical Review A, 1973
- Light Scattering and Shear Viscosity Studies of the Binary System 2,6-Lutidine-Water in the Critical RegionThe Journal of Chemical Physics, 1972