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- Title
Random Field Ising Model Criticality in a Complex Binary Liquid System.
- Authors
Frielinghaus, Henrich; Dubey, Purushottam S.; Saha, Debasish; Shin, Eunjoo; Holderer, Olaf; Sengers, Jan V.; Förster, Stephan
- Abstract
While Ising criticality in classical liquids has been firmly established both theoretically and experimentally, much less is known about criticality in liquids in which the growth of the correlation length is frustrated by finite-size effects. A theoretical approach for dealing with this issue is the random-field Ising model (RFIM). While experimental critical-exponent values have been reported for magnetic samples (here, we consider γ , ν and η), little experimental information is available for critical fluctuations in corresponding liquid systems. In this paper, we present a study on a binary liquid consisting of 3-methyl pyridine and heavy water in a very light-weight porous gel. We find that the experimental results are in agreement with the theoretical predictions from the RFIM.
- Subjects
ISING model; COMPLEX fluids; RANDOM fields; DEUTERIUM oxide; CRITICAL exponents; FLUCTUATIONS (Physics)
- Publication
Nanomaterials (2079-4991), 2024, Vol 14, Issue 13, p1125
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano14131125