Yutaka Okabe and Hiromi Otsuka 2006 J. Phys. A: Math. Gen. 39 9093 doi:10.1088/0305-4470/39/29/006
Yutaka Okabe and Hiromi Otsuka
Show affiliationsUsing the Wang–Landau Monte Carlo method, we study the antiferromagnetic (AF) three-state Potts model with a staggered polarization field on the square lattice. We obtain two phase transitions: one belongs to the ferromagnetic three-state Potts universality class and the other to the Ising universality class. The phase diagram obtained is quantitatively consistent with the transfer matrix calculation. The Ising transition in the large nearest-neighbour interaction limit has been made clear by the detailed analysis of the energy density of states.
64.60.F- Equilibrium properties near critical points, critical exponents
82B80 Numerical methods (Monte Carlo, series resummation, etc.) (See also 65-XX, 81T80)
82B26 Phase transitions (general)
82B20 Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs
Issue 29 (21 July 2006)
Received 7 April 2006
Published 5 July 2006
Yutaka Okabe and Hiromi Otsuka 2006 J. Phys. A: Math. Gen. 39 9093
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