Issue |
EPL
Volume 108, Number 2, October 2014
|
|
---|---|---|
Article Number | 26003 | |
Number of page(s) | 6 | |
Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
DOI | https://doi.org/10.1209/0295-5075/108/26003 | |
Published online | 28 October 2014 |
Observation of a tricritical wedge filling transition in the 3D Ising model
1 Departamento de Física Atómica, Molecular y Nuclear, Área de Física Teórica, Universidad de Sevilla Apartado de Correos 1065, 41080 Sevilla, Spain
2 Institute for Physical Chemistry, Bulgarian Academy of Sciences - 1113 Sofia, Bulgaria
3 Institut für Physik, Johannes Gutenberg-Universität Mainz - Staudinger Weg 7, D-55099 Mainz, Germany
Received: 28 July 2014
Accepted: 6 October 2014
In this letter we present evidences of the occurrence of a tricritical filling transition for an Ising model in a linear wedge. We perform Monte Carlo simulations in a double wedge where antisymmetric fields act at the top and bottom wedges, decorated with specific field acting only along the wegde axes. A finite-size scaling analysis of these simulations shows a novel critical phenomenon, which is distinct from the critical filling. We adapt to tricritical filling the phenomenological theory which successfully was applied to the finite-size analysis of the critical filling in this geometry, observing good agreement between the simulations and the theoretical predictions for tricritical filling.
PACS: 68.08.Bc – Wetting / 68.35.Rh – Phase transitions and critical phenomena / 64.60.Kw – Multicritical points
© EPLA, 2014
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