Title: Boundary and bulk phase transitions in the two-dimensional Q-state Potts model (Q > 4)
Authors: Igloi, F ×
Carlon, Enrico #
Issue Date: 1999
Publisher: Published by the American Physical Society through the American Institute of Physics
Series Title: Physical Review B, Condensed Matter and Materials Physics vol:59 issue:5 pages:3783-3792
Abstract: The surface and bulk properties of the two-dimensional Q>4 state Potts model in the vicinity of the first-order bulk transition point have been studied by exact calculations and by density-matrix renormalization-group techniques. For the surface transition the complete analytical solution of the problem is presented in the Q-->infinity limit, including the critical and tricritical exponents, magnetization profiles, and scaling functions. We have shown in an accurate numerical study that the universality class of the surface transition is independent of the value of Q>4. For the bulk transition we have numerically calculated the latent heat and the magnetization discontinuity and we have shown that the correlation lengths in the ordered and disordered phases are identical at the transition point. [S0163-1829(99)08005-4]
ISSN: 1098-0121
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Theoretical Physics Section
× corresponding author
# (joint) last author

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