EPJ Web Conf.
Volume 185, 2018Moscow International Symposium on Magnetism (MISM 2017)
|Number of page(s)||4|
|Published online||04 July 2018|
Critical properties of 2d disordered 3-state antiferromagnetic potts model ON TRIANGULAR LATTICE
Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences, Makhachkala, 367003 Russia
2 Dagestan State University, Makhachkala, 367025 Russia
3 Dagestan State Pedagogical University, Makhachkala, 367003 Russia
4 Dagestan State University of National Economy, Makhachkala, 367008 Russia
Published online: 4 July 2018
By introducing a small amount of non-magnetic impurities into an antiferromagnetic (AF) two-dimensional (2D) Potts model on a triangular lattice it is that the impurities in spin systems described by this model result in the change of a first order to a second-order phase transition. The systems with linear sizes L × L = N, L = 9-144 are considered. Investigations are performed using the standard Metropolis algorithm along with Monte-Carlo single-cluster Wolff algorithm. On the basis of the theory of finite-size scaling, critical exponents (CE) are calculated: the heat capacity α, the susceptibility γ, the order parameter β, and the CE of the correlation radius ν.
© The Authors, published by EDP Sciences, 2018
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