Probability distribution of the order parameter
AUTOR(ES)
Martins, P. H. L., Plascak, J. A.
FONTE
Brazilian Journal of Physics
DATA DE PUBLICAÇÃO
2004-06
RESUMO
The probability distribution of the order parameter is analyzed in order to obtain the criticality of magnetic systems. Monte Carlo simulations have been employed by using single spin flip Metropolis algorithm aided by finite-size scaling and histogram reweighting techniques. A method is proposed to obtain this probability distribution even when the transition temperature of the model is unknown. A test is performed on the two-dimensional spin-1/2 and spin-1 Ising model and the results show that the present procedure can be quite efficient and accurate to describe the criticality of the system.
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