Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2010-01-18
Physics
Condensed Matter
Statistical Mechanics
Scientific paper
The Blume-Emery-Griffiths model with the dipol-quadrupol interaction (\ell) has been simulated using a cellular automaton algorithm improved from the Creutz cellular automaton (CCA) on the face centered cubic (fcc) lattice. The finite-size scaling relations and the power laws of the order parameter (M) and the susceptibility (\chi) are proposed for the dipol-quadrupol interaction (\ell). The dipol-quadrupol critical exponent \delta_{\ell} has been estimated from the data of the order parameter (M) and the susceptibility (\chi). The simulations have been done in the interval 0\leq \ell =L/J\leq 0.01 for d=D/J=0, k=K/J=0 and h=H/J=0 parameter values on a face centered cubic (fcc) lattice with periodic boundary conditions. The results indicates that the effect of the \ell parameter is similar to the external magnetic field (h). The critical exponent \delta_{\ell}$ are in good agreement with the universal value (\delta_{h}=5) of the external magnetic field.
Kutlu Bülent
Ozkan Aycan
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