MONTE CARLO SIMULATIONS OF A DISORDERED BINARY ISING MODEL

D. S. Cambuí, A. S. de Arruda and M. Godoy
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D. S. Cambuí: Instituto de Física, Universidade Federal de Mato Grosso, 78060-900, Cuiabá, MT, Brazil
A. S. de Arruda: Instituto de Física, Universidade Federal de Mato Grosso, 78060-900, Cuiabá, MT, Brazil
M. Godoy: Instituto de Física, Universidade Federal de Mato Grosso, 78060-900, Cuiabá, MT, Brazil

International Journal of Modern Physics C (IJMPC), 2012, vol. 23, issue 08, 1-6

Abstract: A disordered binary Ising model, with only nearest-neighbor spin exchange interactionsJ > 0on the square lattice, is studied through Monte Carlo simulations. The system consists of two different particles with spin-1/2 and spin-1, randomly distributed on the lattice. We found the critical temperatures for several values of the concentrationxof spin-1/2 particles, and also the corresponding critical exponents.

Keywords: Monte Carlo simulation; disordered binary magnetic model; critical exponents; 05.10.Ln; 64.60.De; 64.60.F- (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1142/S0129183112400153

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