Dilute semi-infinite Potts model
Year: 1991
Type: article
Abstract: The influence of bond-dilution (which is assumed both on the surface and in the bulk) on the phase transitions of a semi-infinite d-dimensional q-state Potts model is investigated. Phase diagrams and critical exponents have been calculated within an extension of Migdal's approch to disordered systems. We find that the percolation effects in a semi-infinite system are characterised by phase diagrams of striking similarity to that of the pure system. Indeed, for the three-dimensional cubic lattice we observe four different phase transitions, irrespective of the number of Potts state, which can be designated using the same known terminology, namely the ordinary, surface, extraordinary, and special phase transitions.
Source: Journal de Physique I
DOI: 10.1051/jp1:1991138
Authors: A. Bakchich, A. Benyoussef
Institution: Mohammed V University
Language: French
Subfield: Condensed Matter Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W2020673123